Samsung CLP-770ND Service Manual page 27

2) Main PBA Specification
• CPU
- ARM v5TE compliant core 800MHz (I-Cache : 32KB, D-Cache : 32KB)
• Memory Interface
> ROM
- Nor Flash used (32MB)
- Interface With SPGPXV4 ROM Controller
> SDRAM
- Size : CLP-770ND(DDR2) : Default 256MB (Option 256MB/512MB)
> EEPROM
- Size : 512kb
- Interface With SPGPV4 I2C Controller
> CRUM
- Size : 256Byte
- Interface With LPEC3I2C Controller via Deve Crum IF B'D
• I/O Interface
> USB
- DEVICE : High Speed USB 2.0 (High speed 480Mbps)
- Host : J-SCRIBE Enabler Kit (Full speed 12Mbps)
> N/W Embedded
- SPGPV4 With MII Interface
- Active LED(Yellow) / Link LED(Green)
> PWM
- High Voltage Control With Duty
- Main Motor Clock
> I2C Interface
- NVRAM (system information + network information)
- CRUM
Service Manual
Product spec and feature
2-17
Samsung Electronics