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S2R72A11
Epson S2R72A11 Manuals
Manuals and User Guides for Epson S2R72A11. We have
1
Epson S2R72A11 manual available for free PDF download: Application Note
Epson S2R72A11 Application Note (34 pages)
Brand:
Epson
| Category:
Controller
| Size: 0.85 MB
Table of Contents
Table of Contents
3
1 Description
5
2 Terms & Abbreviations
6
3 Operation
7
Description
7
Basic System Structure
7
Basic Operation
9
Operation Waveform
9
Each Operation
10
HS Transmission Current Control
13
4 Connection Example
14
Connection Ex. Host Soc (on the same Board)/Int Port, Portable Device/Ext Port
14
Connection Ex. Host Soc (on the Separate Board)/Int Port, Portable Device/Ext Port
15
Connection Ex. Host Soc (on the Separate Board)/Ext Port, Portable Device/Int Port
15
5 Operation Within each Connection Example
16
Connection Ex. Host Soc (on the same Board)/Int Port, Portable Device/Ext Port
17
ADJ Settings
17
BC Control
17
Role Switch Control
17
Method to Detect Disconnection of Portable Device
17
Connection Ex. Host Soc (on the Separate Board)/Int Port, Portable Device/Ext Port
19
ADJ Settings
19
BC Control
19
Role Switch Control
19
Method to Detect Disconnection of Portable Device
19
Connection Ex. Host Soc (on the Separate Board)/Ext Port, Portable Device/Int Port
21
ADJ Settings
21
BC Control
21
Role Switch Control
21
Method to Detect Disconnection of Portable Device
21
6 USB Compliance Test
23
S2R72A11 Function Aimed at USB Compliance Test
23
General Test Method
23
High-Speed Signal Quality
23
Test J / K
24
Test Method with Evaluation Board
24
Test Environment
24
Test Procedure
25
Cautions for each Test
27
El_22
27
Full-Speed Signal Quality
27
Compliance Test for Host Systems with S2R72A11
27
Contact Window Regarding Compliance Test
27
7 PCB Design Guide
29
Power Supply and Reset
29
DP/DM Signal Line
29
Circuit Board Wiring
29
Additional Component
29
Oscillator Circuit
31
Others Precautions
31
Revision History
33
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