Samsung CLX-6220FX, Service Manual

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Product Specification and feature
Service Manual
2-25
Samsung Electronics
2A) Main PBA Specification (CLX-6250FX)
■
CPU
- ARM v5TE compliant core 700MHz (I-Cache : 32KB, D-Cache : 32KB)
■
Memory Interface
> ROM
- Nor Flash used (32MB)
- Interface With SPGPV4 ROM Controller
> SDRAM
- Size : CLX-6250FX(DDR2) : Default 256MB(on-board) (Option 128MB/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)
■
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 infor network information)
- CRUM