CSB625 - 400Mhz Marvell PXA255 uSBC (Obsolete)
The CSB625 Single Board Computer is an inexpensive, OEM Board specifically targeting battery
and operated and other other low power environments. The CSB625 features a 400Mhz XScale
PXA255 CPU with integrated LCD Controller, USB Device, AC'97 and I2S Audio I/F, SD/MMC,
Serial I/O (x4) and Dual SPI. Other On-Board I/O includes a Dual USB Host Controller, Low Power
10Mbit Ethernet Controller, AC'97 Codec with Integrated Touch Screen Interface, 3.3V Power
Supply and 2 or 3 Cell Lithium-ION Battery Charger. Detailed specifications include:
| Feature | Description |
| Core | 400Mhz XScale, 16K I-Cache, 16K D-Cache |
| SDRAM | 64Mbyte 32-Bit Wide SDRAM |
| FLASH | 8Mbyte 16-Bit Wide StrataFLASH |
| NAND FLASH | 1-Bit SD/MMC Controller |
| LCD Controller | On-Chip 640x480 16-Bit LCD Controller |
| Serial (UART) | RS232 x 1 - Two additional UARTS (TTL) |
| Serial (other) | SSP (SSI and SPI support) x 2 |
| Silicon ID | Dallas DS2401 |
| Ethernet | On-Board CS8900a Very Low Power (<1mw standby) 10Mbit Controller |
| Real Time Clock | Internal RTC |
| Bus Expansion |
25-Bit Address/16-Bit Data CPU Bus |
| GPIO |
20+ GPIO (actual amount depends on Peripheral use) |
| USB Host | ISP1161A Dual USB 2.0 (12Mbit) Host Controller |
| USB Device | USB 1.1 Device Port via Expansion Connector |
| Audio | UCB1400 AC'97 Codec with Touch Controller |
| Compact Flash | Compact Flash, IDE and/or PCMCIA Interface |
| JTAG | Standard ARM JTAG |
| Embedded Trace | None |
| Power | 9V to 18V input, On-Board 3.3V Regulator provides up to 3A to User Board |
| Battery Control | On-Board 2 or 3 Cell Lithium-ION Charger with Low Battery Detect and Cutout |
| Form Factor | uSBC, 45mm (1.77") wide x 66mm (2.6") long x 9mm (.355") high |
| Target Board | CSB925 Development/Target board for the CSB625 |
| Boot Monitor | Micromonitor |
| Datasheet | CSB625 Datasheet |
| Board Photo | Contact Cogent |
| Users Manual | Contact Cogent |
| RTOS BSP | Micrium µC/OS-II, Win CE 5 and Linux 2.6.x |
| Price | US Price List |
| Availability | Obsolete due to PXA255 EOL |



