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oled_UG-9664HSWAG01 EVK user guide


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                                     UG-9664HSWAG01

                                              96 X 64

                                      Application note

                                Evaluation Kit User Guide




             Writer: Wabber. Huang
             Email: Wabber_huang@univision.com.tw
             Version: Preliminary


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             REVISION HISTORY
             Date        Page   Contents                           Version
             2006/7/17          Preliminary                        Preliminary 0.0




                                                                                     2


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                                                                                                                                         VDD         1




                                                                                                                                                                                        JP2
                                                                                                                                                                      VDDIO_IN
                                                                                                                                         VDDIO       2
                                                                                                                                                                      VDDIO_OUT
                                                                                                                                     GND             3




                                                                                                                            C1
                                                                                                                                                                      GND




                                                                                                                4.7uf
                                                                                                                            C2
                                                                                                                                 VDDIO



                                                                                                                10uf /25v
                                                                                                                                                                                                                                                 EVK Schematic




                                                                                                                                                                                                                         VCOMH

                                                                             1                            2
                                                                                                                                                                                                               C7




                                                                                  GND       GND
                                                                                                                                                                                                       4.7uf




                                                                             3                            4
                                                                       VCC   5    GND       GND           6                                                                                                               IREF
                                                                       VDD   7    HV        GND           8
                                                                             9    LV        GND           10
                                                                                                                                                                                                                    R1




                                                                             11   NC         NC           12
                                                                                                                                                                                                       910K




                                                                             13   NC         NC           14
                                                                             15   NC                      16
                                                                                                                                                 VDD
                                                                                                                                                                                        J2

                                                                             17                           18                                                            1
                                                                             19                           20                                                                      VDD
                                                                             21                           22                                                            2
                                                                             23                           24                                                                      LV
                                                                             25                           26                                                      C3                                  1
                                                                             27                           28   RES                                                                            HV      2        NC
                                                                       R/W   29               RES         30   E/RD                                 4.7uf                                     GND     3        VCC
                                                                       CS    31   WR           RD         32   D/C                                                                     LV     LV      4        VSS
                                                                       D7    33   CS           DC         34   D6                                                                             VDDIO   5        VDD
                                                                       D5    35   D7           D6         36   D4                                                                             BS1     6        VDDIO
                                                                                                                                                                  C4




                                                                       D3    37   D5           D4         38   D2                                                                             BS2     7        BS1
                                                                                  D3           D2                                                                                                              BS2
                                                                                                                                                    10uf /25v




                                                                       D1    39                           40   D0                                                                             CS      8
                                                                                  D1           D0                                                                                             RES     9        CS
                                                                                                                                                                                              D/C     10       RES
                                                                                                                                                                                                                             U1 UG-9664HSWAG01




                                                                                                                                                                                              R/W     11       D/C




                                                                                                    JP1
                                                                                                                                               VCC                                            E/RD             WR
                                                                                                                                                                                        J3




                                                                                                                                                                        1                             12
                                                                                                                                                                                  VCC         D0      13       RD
                                                                                                                                                                        2                     D1      14       D0
                                                                                                                                                                                  HV          D2      15       D1




                                                                                        EVK_CON40
                                                                                                                                                                                              D3      16       D2
                                                                                                                                                                  C5
                                                                                                                                                                                                                                                                 




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                                                                                                                                                                                              D4               D3
                                                                                                                                                    4.7uf




                                                                                                                                                                                                      17
                                                                                                                                                                                              D5      18       D4
                                                                                                                                                                                       HV     D6      19       D5
                                                                                                                                                                                              D7      20       D6
                                                                                                                                                                                              IREF    21       D7
                                                                                                                                                                  C6




                                                                                                                                                                                              VCOMH   22       IREF
                                                                                                                                                                                              HV      23       VCOMH
                                                                                                                                                                                                               VCC
                                                                                                                                                    10uf /25v




                                                                                                                                                                                              GND     24
                                                                                                                                                                                                      25       VSS
                                                                                                                                                                                                               NC
                                                                                                                                                                  BS1
                                                                                                                                                                            GND



                                                                                                                                                    3VDDIO
                                                                                                                                                                  2
                                                                                                                                                                            1
                                                                                                                                                                                  J4



                                                                                                                                                                BS1
                                                                                                                                                                        GND



                                                                                                                                                 VDDIO




                                                                   3
                                                                                                                                                                        GND



                                                                                                                                                 VDDIO
                                                                                                                                                                BS2
                                                                                                                                                    6
                                                                                                                                                                  5
                                                                                                                                                                            4



                                                                                                                                                     VDDIO
                                                                                                                                                                  BS2
                                                                                                                                                                            GND
                                          

             Symbol define

             VCC : Power supply for panel driving voltage.


             VSSThis is ground pin.


             VDDPower supply for core logic operation.


             VDDIOPower supply for interface logic level.


             BS0~BS2MUC bus interface selection pin(BS0 pulled LOW in internal).


             CSThis pin is chip select input(active LOW).


             RESThis pin is reset signal input(active LOW).


             D/CThis is DATA/COMMAND control pin. When it is Pulled HIGH, the data at D[0~7] is
                      treated as data. When it is pulled LOW, the data at D[0~7] will be transferred to
                      the command register.
                   In I2C mode, this pin acts as SA0 for slave address select.


             R/WThis is read/write control input pin connecting to the MCU interface.
                    When interface to a 6800-series microprocessor , Read mode will be carried out
                      when this pin is pulled HIGH and write mode when low .
                    When interface to an 8080-microprocessor , this pin when be the data Write
                      input.
                    When serial interface is selected, this pin must be connected to Vss.


             E/RDWhen interface to a 6800-series microprocessor , this pin will be used as the
                      Enable(E) signal.
                    When interface to an 8080-microprocessor , this pin receives the
                      Read(RD#)signal.


             D0~D7These are 8-bit bi-directional data bus to be connected to the microprocessor's
                      data bus.
                     When serial interface mode is selected, D0(SCLK) will be the serial clock
                      input,D1(SDIN) will be the serial data input,D2 should be left opened.
                     When I2C mode is selected,D1(SDAin) AND D2(SDAout) should be tied


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                     together,D0(SCL) is the I2Cclock input


             IREFThis is segment output current reference pin.


             VCOMHThis pin for COM signal deselected level voltage.




                                                                      5


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             6800 INTERFACES DESCRIPTIONS & TIMMING CHARACTERISTICS




                                                                      6


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             8080 INTERFACES DESCRIPTIONS & TIMMING CHARACTERISTICS




                                                                      7


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             SPI INTERFACES DESCRIPTIONS & TIMMING CHARACTERISTICS




                                                                     8


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             I2C INTERFACES DESCRIPTIONS & TIMMING CHARACTERISTICS

             (VDD - VSS = 2.4 to 3.5,TA = 25C)




                                                                     9


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                                   Figure1 EVK PCB and OLED Module




                                                                     10


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                                Figure2 The combination of the module and EVK


             The SSD1305Z is COG type package, that the connect pads are on the top of the module
                                                              Push here to lock module
             connector. When finished assembled the module and EVK, then push the locking pad to
             lock the module. See the Figure 1 and Figure2.
             User can use leading wire to connect EVK with customer's system. The example shows
             as Figure 3




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                                            Note 3
                         Note 1

                                                                          Note 2




                                         Figure3 EVK with test platform


             Note 1It is the external most positive voltage supply. In this sample is connected to
                     power supply.
             Note 2The leading wire has 13 pins totally in this case.
                     (D0-D7E/RDR/WD/CRESCS)

             Note 3Select Mode(80806800SPII2C)




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             How to use SSD1305Z module


             Power down and Power up Sequence
               To protect OLED panel and extend the panel life time, the driver IC power
               up/down routine should include a delay period between high voltage and low
               voltage power sources during turn on/off. Such that panel has enough time to
               charge up or discharge before/after operation.



                          Power up Sequence:
                                                                          VDD on
                          1. Power up VDD
                                                                                VCC on
                          2. Send Display off command
                                                                                          Display on
                          3. Driver IC Initial Setting
                          4. Clear Screen                    VCC

                          5. Power up VDDH
                                                             VDD
                          6. Delay 100ms
                                                           VSS/Ground
                             (when VDD is stable)
                          7. Send Display on command
                          Power down Sequence:
                                                                           Display off
                          1. Send Display off command
                                                                                VCC off
                          2. Power down VDDH
                                                                                          VDD off
                          3. Delay 100ms
                             (when VDDH is reach 0 and        VCC

                              panel is completely
                                                              VDD
                             discharges)
                                                           VSS/Ground
                          4. Power down VDD




                                                                                          13


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                                           Reset
                                        Driver IC
                                                               RES=0
                                                               Delay 100ms
                                                               RES=1


                                         Driver IC
                                       Initial Code

                                                               Suggest all register
                                                               set again



                                       Display on




                                       Clear RAM




                                            Start
                                          Display


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             RD recommend Initial Code:

             void initial()
              {
                   write_command(0x02);//set low column address

                    write_command(0x12);//set high column address

                    write_command(0x40);//(display start set)

                    write_command(0x2e);//(stop horzontal scroll)

                    write_command(0x81);//(set contrast control register)
                    write_command(0x32);

                    write_command(0x82);//(brightness for color banks)
                    write_command(0x80);//(display on)

                    write_command(0xa1);//(set segment re-map)

                    write_command(0xa6);//(set normal/inverse display)

                    write_command(0xa8);//(set multiplex ratio)
                    write_command(0x3F);

                    write_command(0xd3);//(set display offset)
                    write_command(0x40);

                    write_command(0xad);//(set dc-dc on/off)
                    write_command(0x8E);//

                    write_command(0xc8);//(set com output scan direction)



                    write_command(0xd5);//(set display clock divide ratio/oscillator/frequency)
                    write_command(0xf0);//

                    write_command(0xd8);//(set area color mode on/off & low power display mode )
                    write_command(0x05);//

                    write_command(0xd9);//(set pre-charge period)
                    write_command(0xF1);

                    write_command(0xda);//(set com pins hardware configuration)
                    write_command(0x12);

                    write_command(0xdb);//(set vcom deselect level)
                    write_command(0x34);

                    write_command(0x91);//(set look up table for area color)
                    write_command(0x3f);
                    write_command(0x3f);
                    write_command(0x3f);
                    write_command(0x3f);

                    write_command(0xaf);//(display on)

                    write_command(0xa4);//(display on)
                }

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             WRITE DATA & COMMAND SUB FUNCTION

             void write_command(unsigned char aa)
              {
                      IOCLR = 0x000000ff;
                      IOSET = RD_IN;//RD=1


                      IOCLR = DC_IN;//RS=0
                      IOCLR = CS_IN;//CS=0
                      IOCLR = WR_IN;//W_R=0


                      IOSET = aa;//--------input command


                      IOSET = WR_IN;//W=1
                      IOSET = CS_IN;//CS=1
                      IOCLR = RD_IN;
                  }


             void write_data(unsigned char bb)
              {
                      IOCLR = 0x000000ff;


                      IOSET = RD_IN;//RD=1
                      IOSET = DC_IN;//RS=1
                      IOCLR = CS_IN;//CS=0
                      IOCLR = WR_IN;//W_R=0


                      IOSET = bb; //--------input data


                      IOSET = WR_IN;//W_R=1
                      IOSET = CS_IN;//CS_1=1
              }




             NoteRD recommend Initial code and sub function for 8080 series CPU
                            interface.




                                                                              16


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