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Marvell PXA270 SODIMM System On a Module (SOM)



  • Marvell PXA270 SODIMM System On a Module (SOM)
  • Compact Flash I/F, USB Device, USB Host, AC'97, I2S Audio I/F, 4-Bit SDIO, 5개의 UART 및 Dual SPI.

  • The CSB726 Single Board Computer is a highly integrated, SODIMM SOM that features a 520Mhz XScale PXA270 with Compact Flash I/F, USB Device, USB Host, AC'97 and I2S Audio I/F, 4-Bit SDIO, Five UARTS and Dual SPI. Additional board features include Silicon Motion SM501 2D Graphics Coprocessor supporting XGA (1024 x 768) LCD Output, Low Power 10/100 Ethernet Controller and on-Board 3.3V power supply.


Core 520Mhz XScale, 32K I-Cache, 32K D-Cache, 256KByte On-Chip SRAM
SDRAM 128Mbyte 32-Bit Wide Mobile SDRAM
NOR FLASH 64Mbyte 16-Bit Wide Spansion S29GL512N
NAND FLASH 512MByte 8-Bit Wide NAND Flash
LCD Controller On-Board SM501 2D Graphics Coprocessor (up to 1024 x 768, 18-Bit RGB, LCD)
Video Acceleration SM501 provides YUV to RGB conversion for MPEG4 Decode
Video Capture 8-Bit YUV4:2:2 and CCIR656 via SM501 ZV Port (shared with SM501 TTL UARTS)
Serial (UART)

Debug RS232 x 1 (2-wire), plus two PXA270 UARTS (one 4-wire, one 8-wire TTL) and two SM501 UARTS (each 4-wire TTL, shared with SM501 ZV Port)

Serial (other) I2C, SPI/SSI x3, AC97 and 4-Bit SDIO/MMC Controller (Socket is off board)
Silicon ID Unique ID via Electronic Serial Number (ESN) in Spansion S29GL512N Flash
Ethernet On-Board LAN9211 Low Power (2mw standby) 10/100 Controller
Real Time Clock DS1339 RTC with External Battery Input
Bus Expansion

25-Bit Address/16-Bit Data CPU Bus


10 Dedicated GPIO (more may be available depending upon Peripheral use)

USB Host Single USB2.0 12Mbit
USB Device Single USB2.0 12Mbit (May be used as a 2nd Host Port)
Audio Interface AC97 Interface (Codec is off board)
Compact Flash Compact Flash Interface (Socket and Buffers are off board)
JTAG Standard ARM JTAG Interface (Header is off board)

6V to 35V input , On-Board 3.3V Regulator (up to 2A is available off board)

Form Factor 200-Pin SODIMM with Mounting/Power Pads, 66.8mm x 50.8mm x 8mm
Target Board CSB7xx-Kit Development Kit for the CSB7xx Family
Boot Monitor BSquare Bootloader for Windows CE, Micromonitor for Linux
RTOS BSP Win CE 5.0 and Linux 2.6.x


CSB726 SOM mounted on CSB701 baseboard

For development purposes, the CSB726 is available with the CSB701 baseboard, shown above. Featuring an SODIMM socket for the CSB726, the 5 x 5.4-inch baseboard provides access to all of the module's signals via 0.1-inch headers. Connectors for 10/100, USB, debug serial, CompactFlash, and SD/MMC are complemented by four I/O sites, providing access to the SOM's serial interfaces

- CSB726 H/W Reference Manual
- CSB7xx_product_matrix


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