Serial Interface (Usb) - Canon FAXPHONE L75 Service Manual

ECP Mode
ECP stands for Extended Compatibility Port. High-speed data transfer can be accomplished with ECP
mode. Data can be transferred faster than in nibble mode because data lines can be used in both direc-
tions without changing modes. Optionally, transfer of compressed data can also be done.

2.7.2 Serial interface (USB)

a) Specifications
Interface Type
USB Interface (Universal Serial Bus; USB Specification Release Number 1.10)
Data Transmission
Control transfer method
Bulk transfer method
Signal Voltage Level
Input:
Input defference sensitivity:
Common-mode defference:
Output:
Static output high:
Static outpu low:
Input/Output
Data signal pulled up with 3.3V
VBUS signal pulled up with 5.5V
Interface Cable
Twisted-pair shielded cable
USB standard compatible required
Material AWG No. 28, Data pair (AWG: American Wire Gauge)
AWG No. 20 to No. 28, Power distribution pair
Interface Connector
Printer-side
Cable-side
LASER CLASS 1060P Chapter 1: General Description
+0.2V (Max.)
+0.8V to +2.5V
+2.8V to 3.6V
less than +0.3V
USB standard, Series B receptacle
USB standard, Series B plug
3
4
Figure 1-3 USB Connector (JUSB1)
1-11
2
1