Ricoh B121 - Block Diagram; Pin Assignment

IEEE1394 INTERFACE
SM 15 B622
Printer/
Scanner
B622
4.5.3 BLOCK DIAGRAM
• PHY: Physical layer control device
• Link: Link layer control device
• EEPROM: 256-byte ROM
4.5.4 PIN ASSIGNMENT
Pin
No.
Signal Description
1 Cable Power
2 GND
3 Receive strobe
4 Transmit data
5 Receive data
6 Transmit strobe
IEEE1394 Board
1394 I/F
1394 I/F
PHY
TSB41AB2
Clock
Oscillator
Link
TSB12LV23A
EEPROM
Option I/F (CN4)
PC
Controller
B622D912.WMF
Pin 1
Pin 6
B622D913.WMF
Pin assignment
Pin 1 Pin 4
Pin 2 Pin 3
Pin 5 Pin 6