CSB637 - Atmel AT91RM9200 ARM920T uSBC (Not for new designs)

The CSB637 Single Board Computer is an inexpensive OEM Board that features a 184Mhz ARM920T
Core with integrated 10/100 Ethernet, USB Device, USB Host (x2), I2S Audio I/F, 4-Bit SD/MMC (x2),
Serial I/O (x4) and Embedded Trace Module (16-Bit).

Feature Description
Core 184Mhz ARM920T, 16K I-Cache, 16K D-Cache
SDRAM 64Mbyte 32-Bit Wide SDRAM
FLASH 8Mbyte 16-Bit Wide StrataFLASH
NAND FLASH Dual 4-Bit SD/MMC Controllers (not SDIO compliant)
LCD Controller S1D13506 - 800x600 16-Bit LCD with CRT output
Serial (UART) RS232 x 1 - Three additional UARTS (TTL)
Serial (other) Multi-Chip Select SPI x 1, SSI x 2
Silicon ID Dallas DS2401
Ethernet On-Chip 10/100 Mbit Controller, On-Board 10/100 PHY
Real Time Clock Internal RTC
Bus Expansion

20-Bit Address/16-Bit Data CPU Bus


40+ GPIO (actual amount depends on Peripheral use)

USB Host Dual USB 2.0 (12Mbit) Host ports
USB Device USB 2.0 (12Mbit) Device Port
Audio I2S Support via SSI (requires external Codec)
Compact Flash Compact Flash Interface
Embedded Trace 16-Bit ARM ETM
Power 5V to 35V input, On-Board 3.3V Regulator provides up to 3A to User Board
Battery Control None
Form Factor uSBC, 45mm (1.77") wide x 66mm (2.6") long x 9mm (.355") high
Target Board CSB937 Development/Target board for the CSB637
Boot Monitor Micromonitor
Datasheet CSB637 Datasheet (PDF)
Board Photo CSB637 Top View and Bottom View (JPG)
Users Manual Contact Cogent
RTOS BSP Micrium µC/OS-II and Linux 2.6.x
Price US Price List

Production (minimum order quantities may apply)




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Last updated on August 16, 2013
November 9, 2011