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NK9315A Evaluation Board
A Complete Evaluation Kit for Cirrus Logic EP9315 ARM920T Microcontroller
RS232, CAN, USB Host, 10/100M Ethernet, LCD Interface, VGA, IIS, CF, IDE...
Capable of supporting Linux, WinCE or any embedded operating system
The Cirrus Logic EP9315 is a highly integrated system-on-chip processor that paves the way for
next-generation consumer and industrial electronic products. The EP9315 features an advanced
200 MHz ARM920T processor designed with a memory management unit (MMU) and is
augmented by the MaverickCrunchTM coprocessor to accelerate the ARM920T's single- and
double-precision integer and floating-point processing capabilities. It has separate 16KB data
cache and 16KB instruction cache and includes 1/10/100 Ethernet, IDE storage peripherals,
keypad, a three-port USB 2.0 full-speed host (OHCI), running at 12 Mbps, and three UARTs.
Additionally the EP9135 includes a 2D graphics accelerator, integrated LCD controller,
touchscreen and high quality audio to enable easy to use products with vibrant multimedia
capabilities. A highly flexible memory interface provides compatibility with SDRAM, SRAM, Flash,
and ROM.
Embest NK9315A Evaluation Board takes full features of the high-performance Cirrus Logic
EP9315 microcontroller system-on-chip and full Bus and peripheral signals are expanded through
interfaces on board including IDE, CAN, LCD & Touchscreen, VGA/S-Video/Composive output,
Ethernet, PS/2, UART, USB Host, IIS, CF card, keyboard, Jtag, etc. There is also a PCMCIA
interface on the rear of the board which supports one 16-bit PCMCIA PC Card to add memory,
mass storage and I/O capabilities to computer systems and thus can be used to further broaden
the options of a designer's platform. The LCD and Raster interface of EP9315 is with a graphics
accelerator, which is used in the system to off load graphics operations from the processor.
The board supports high-lever operating systems such as Linux, Windows CE and other
embedded operating systems. The board's code support package includes WINCE.net 4.2 BSP,
www.armkits.com
embedded Linux source code and a download utility.
Typical applications of Embest NK9315A board are POS (Point-of sale), internet audio, internet
access devices, industrial computers, test and measurement equipments, digital media servers,
industrial controls, biometric security systems, etc.
Hardware Description
Dimensions: 140x200mm
Processor: Cirrus Logic EP9315 based on 32-bit ARM920T core microcontrollers
Power input: DC12.0V
32M NOR Flash Memory
32M Nand Flash Memory
64M 32bit SDRAM
LCD Display and Touch-Screen interface
Analog VGA connection
Composite Video and S-Video Output Connections
IDE Interface
CAN interface
Triple Port USB Host
20pin standard JTAG interface
Real-Time Clock
I2S Interface
8*8 Keyboard interface
PS/2 Interface
5 UARTs, One is RS485, and the other four are RS232, two of which are extended through
one PC16C2550 chip using two 10pin connectors
10/100Mbps Ethernet Interface
CF card socket
PCMCIA socket
System bus interface
www.armkits.com
EP9315 Block Diagram
EP9315 Main Data Paths
www.armkits.com
Embest NK9312 Main Interfaces Introduction
No. Description
1 Cirrus Logic EP9315 microcontroller
2 16M Intel Strata Flash
3 64M Nand Flash
4 64M 32bit SDRAM
5 RS232 ports
6 RS232 ports extended through one PC16C2550 chip
7 RS485 port
8 10/100Mbps Ethernet Interface
9 Three-port USB Host
10 Analog VGA connector
11 S-Video connector
12 Composite Video connector
13 IIS, Audio input
14 IIS, Audio output
15 CAN bus interface
16 LCD interface (supports resolution up to 1024 x 768)
17 8 x 8 Keyboard interface
18 Touchscreen interface
19 Jtag interface
20 IDE interface
21 CF card socket
22 Power jack
23 PCMCIA socket (on the rear of the board)
24 System bus interface
www.armkits.com
ARM920T Block Diagram
Software Description
The software provided with the development board is WINCE.net 4.2 BSP, Embedded Linux
2.4.21/2.6.8 kernel and a download utility. All of those are in source code. Please see details as
following:
Y - Already OK and provided N - Do not provide at present
O - Option design service D - Under development
Driver WinCE 4.2 Linux 2.4.21/2.6.8
LCD 640*480*16bbp Y Y
TV Y Y
S-VIDEO Y Y
VGA Y Y
2 x FLASH (32MB) Y Y
1 x FLASH (16MB) N O
I2S Audio Input / Output Y Y
PCMCIA Y Y
USB2.0 Y Y
IDE Y Y
CF Card Y Y
www.armkits.com
8*8 Keyboard N Y
CAN bus interface D D
Ethernet interface Y Y
2 UARTs extended through
D O
PC16C2550 chip
extension bus N N
64M NAND FLASH D O
Order Information
The NK9315A Evaluation Board Kit contains an NK9315A Evaluation Board, complete
development tools and software resource in a low price.
Order No. EBD2_2
Item NK9315A Evaluation Board
Description Board with EP9315 processor
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