Service Manuals, User Guides, Schematic Diagrams or docs for : Embest UNetICEoverview
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Embest UNetICE for ARM
- Ethernet and USB port based in-circuit emulator for ARM processors
- Capable of supporting Embest IDE, ARM/ADS, ARM/SDT and GDB
- Fast downloading and debugging speed up to 200~800Kbyte/s
Embest UNetICE for ARM is the new-generation high-speed real time in-circuit emulator that Embest
introduced in August 2004. The UNetICE connects the PC USB port or Ethernet port to the JTAG interface of
target board and allows Flash programming and debugging. It greatly speeds up the download of code up to
800Kbyte/s. Internet sharing among development team and remote debugging is available when using Embest
UNetICE for ARM. The emulator allows you to download codes to target, examine memory and registers,
single-step through programs, insert multiple breakpoints, and run programs in real-time and program on-chip
Flash. It has powerful emulator management software UNetICE Manager to support the settings of online IP
address, subnet address, Mac address with an information window to provide auxiliary debugging information.
The device supports both USB power supply and external power supply. User can choose 5V power supply
through USB port by operating power switch or alternatively choose 6~9V external power supply. It's a
powerful tool with good universality and performance.
Supports microcontrollers based on ARM7 and ARM9;
Supports Windows98 / NT / 2000 / ME /XP host;
Supports standard 20-pin JTAG port connecting to target;
Supports two hardware breakpoints/two data breakpoints/unlimited software breakpoints (in fact this is
determinated by arm core);
Supports 10/100M Ethernet port or USB port connecting to host PC;
Supports Embest IDE, ARM / ADS and ARM / SDT and GDB;
Fast downloading and debugging speed up to 200 ~ 800KBytes/s;
Supports network sharing among development team and remote debugging
Capability of updating firmware
1
Hardware Specification and Interfaces
Interface Specification
UNetICE is a JTAG emulator, connected to JTAG port of target board via a 20-pin IDC
straight-through cable (1-1, 2-2, ... 20-20).
Figure Definition of 20-pin JTAG port cable
Description of pin signal
Signal I/O Description
GND -- Power Ground.
TDI Output The testing data input signal from Embest Emulator to JTAG
port of target board, It is recommended to add a pull-up or
pull-down resistance.
TMS Output The testing mode signal from Embest Emulator to JTAG port of
target board, the signal should be pulled up in target board, to
avoid possible negative impact caused by change in TCK pin
before connecting.
TCK Output The testing clock signal from Embest Emulator to JTAG port of
target board, It is recommended to add a pull-up or pull-down
resistance.
TDO Input The testing data output signal from JTAG port of target board to
Embest Emulator.
2
nSRST Output The system reset signal from open collector of Embest Emulator
to target board. the signal should be pulled up in target board, to
avoid possible unexpected reset before connecting.
RES -- Reserved.
The host can be connected to UNetICE emulator through a special USB cable. If you need to use USB
as power supply device, you can adjust the power switch.
Figure definition of USB port
Description of pin signal:
Signal Specification
VDss USB port can be used to supply power to peripheral equipment,
voltage range of USB port: 4.4-5.25V
D+ Communication channel
D- Communication channel
GND Grounding
There are two ways of Ethernet connection; one is standard Ethernet connection using two network
cables to connect host, target board and HUB to constitute a LAN. The other way is using one cross
cable to connect the host and target device directly.
3
Figure 2-8 Definition of Ethernet port
Description of pin signal:
Signal Specification
TX+ Tranceive Data+
TX- Tranceive Data-
RX+ Receive Data+
RX- Receive Data-
n/c Not connected
Power supply
Capable of choosing 5V power supply through USB port by operating power switch or alternatively
choosing 6~9V external power supply. When using external power supply socket, the inside is positive, the
outside is negative. See the figure below:
Figure 2-5 power supply socket
LED Indicators and Function Buttons
JTAG port for connecting target board
USB and Ethernet ports for connecting host
RESET and UPDATER buttons
External power supply socket and power switch
4
Red, green, yellow emulator state indicator
LED PWR (red): power indicator
LED RUN (green): data indicator, indicate the data transmission between host pc and target CPU.
LED CON (yellow): connection indicator
See details in diagram below:
Figure Frontal view of UNetICE
Figure Rear view of UNetICE
No. Item Functions
1 Power indicator (PWR) Indicate the state of power supply
2 State indicator (RUN) Indicate running state of emulator
3 Alarm indicator (ALARM) Indicate error alarm
4 Ethernet port The communication port connected to host in Ethernet way.
5 USB port The communication port connected to host in USB way.
5
6 External power supply socket Use external power supply
7 Switch power supply modes (USB power supply / external
Power switch
power supply)
8 RESET Reset emulator
9 JTAG port 20-pin IDC plug port
10 Press the button when resetting the emulator to enter
UPDATER (FUNC)
updater mode
Order Information
Order No. C2
Item Embest UNetICE for ARM
Description - Embest UNetICE for ARM Jtag Emulator
- Software and Manual in CD
- A USB cable
- A network cable
- A 20-pin JTAG interface cable
- 6V Power Adapter
Option Tools Embest IDE for ARM Development Tools Suite II includes:
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