Samsung CLX-6220FX - Page 37

Product Specication and feature
Service Manual
2-28
Samsung Electronics
2B) Main PBA Specication (CLX-6220FX)
■ CPU
- ARM 926EJS core 400MHz (I-Cache : 16KB, D-Cache : 16KB)
■ Memory Interface
> ROM
- Nor Flash used (32MB)
- Interface With Chorus3 ROM Controller
- Serial Flash used (8MB)
> SDRAM
- Size : Default 256MB(on-board) (Option 128MB/256MB/512MB)
> EEPROM
- Size : 512kb
- Interface With Chorus3 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 information + network information)
- CRUM