Chapter 5 Input/Output Interfaces
5.7UNIVERSAL SERIAL BUS INTERFACE
The Universal Serial Bus (USB) interface provides asynchronous/isochronous data transfers with compatible peripherals such as keyboards, printers, or modems. This
All models provide six USB ports; four
MCP
USB
Cntlr. #1
USB
Cntlr. #2
Tx/Rx Data
Tx/Rx Data
Tx/Rx Data
Tx/Rx Data
Sys. Board
Header
Tx/Rx Data
Tx/Rx Data
D315
Rear Panel
USB Port 1
USB Port 2
USB Port 3
USB Port 4
Front Panel
USB Port 5
USB Port 6
MCP
USB 1.1 Cntlr. #1
USB 1.1 Cntlr. #2
USB 2.0
Cntlr.
Tx/Rx Data
Tx/Rx Data
Tx/Rx Data
Tx/Rx Data
Sys. Board
Header
Tx/Rx Data
Tx/Rx Data
d325
Rear Panel
USB Port 1
USB Port 2
USB Port 3
USB Port 4
Front Panel
USB Port 5
USB Port 6
Difference Matrix
Function | D315 | D325 |
USB Controller Type: |
|
|
Controller #1 | USB 1.1 | USB 1.1 |
Controller #2 | USB 1.1 | USB 1.1 |
Controller #3 | na | USB 2.0 |
3 per controller, | 6 to 1.1, | |
Configuration Options | 2 to one, or 4 to another | 4 to 1.1 & 2 to 2.0, |
|
| 3 to 1.1 & 3 to 2.0, |
|
| 2 to 1.1 & 4 to 2.0, |
|
| 6 to 2.0 |
Figure 5-7. USB I/F Block Diagram and Difference Matrix
Second Edition – April 2003