Usb Connectors; Pin Assignment - Ricoh G092 Service Manual

USB

6.7.3 USB CONNECTORS

USB is a serial protocol and a physical link that transmits all data on a single pair of
wires. Another pair provides power to downstream peripherals.
The USB standard specifies two types of connectors, type "A" connectors for
upstream connection to the host system, and type "B" connectors for downstream
connection to the USB device.
G081D945.WMF
Type "A" connector

6.7.4 PIN ASSIGNMENT

The controller has a type "B" receptacle (CN10).
Controller Board
HDD Interface
Pin No. Signal Description
1
2
3
4 Power GND
G081/G092
G081D952.WMF
Type "B" connector
Flash
ROM
Flash
ROM
ASIC
(KLAVIER)
SD RAM DIMM I/F x2
Wiring Assignment
Power
Data –
Data +
NVRAM Opton I/F
ASIC
CPU
(COMIC)
Red
White
Green
White
6-58
USB Board
G081D932.WMF
2 1
3 4
SM