CSB735 - Freescale i.MX21 SODIMM System On a Module (SOM)
The CSB735 Single Board Computer is a highly integrated, SODIMM SOM that features a 266Mhz
ARM926EJ-S
based i.MX21 with Compact Flash I/F, USB Device, USB Host, I2S Audio I/F, 4-Bit
SDIO, Four UARTS and Dual
SPI. Additional board features include Low Power 10/100 Ethernet Controller
and on-Board 3.2V
power supply.
| Feature | Description |
| Core | 266Mhz ARM926EJ-s, 16K I-Cache, 16K D-Cache, 6KB On-Chip SRAM |
| SDRAM | 64Mbyte 32-Bit Wide SDRAM |
| NOR FLASH | 64Mbyte 16-Bit Wide Spansion S29GL512N |
| NAND FLASH | 512MByte 8-Bit Wide NAND Flash |
| LCD Controller | On-Chip 18-Bit RGB LCD Controller up to 800x600 (depending upon Bits/Pixel) |
| Video Acceleration | On-Chip MPEG4 HW Acceleration supporting up to CIF (352x240) @ 30 Frames/Sec |
| Video Capture | 8-Bit YUV4:2:2, CCIR656 and Bayer format CSI (CMOS Sensor Interface) |
| Serial (UART) | Debug RS232 x 1 (2-wire), plus Three 4-wire TTL UARTS |
| Serial (other) | I2C, SPI x2, I2S 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 |
24-Bit Address/16-Bit Data CPU Bus |
| GPIO |
10 Dedicated GPIO (more may be available depending upon Peripheral use) |
| USB Host | Single USB 2.0, 12Mbit |
| USB Device | Single USB 2.0, 12Mbit |
| Audio Interface | I2S 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) |
| Power | 6V to 35V input, On-Board 3.2V Regulator (up to 2A is available off board) |
| Target Board | CSB7xx-Kit Development Kit for the CSB7xx Family |
| Boot Monitor | Micromonitor for Linux |
| Datasheet | CSB735 datasheet |
| Board Photo | TOP and BOTTOM |
| Users Manual | CSB735 Hardware Reference Manual |
| RTOS BSP | Linux 2.6.x |
| Price | US Price List |
| Availability Status | In Production |



