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FT121Q-R Datasheet(PDF) 21 Page - Future Technology Devices International Ltd.

Part # FT121Q-R
Description  Enhanced USB Device Controller with SPI Slave IC
PDF  46 Pages
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Manufacturer  FTDI [Future Technology Devices International Ltd.]
Direct Link  http://www.ftdichip.com
Logo FTDI - Future Technology Devices International Ltd.

FT121Q-R Datasheet(HTML) 21 Page - Future Technology Devices International Ltd.

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Copyright © 2014 Future Technology Devices International Limited
21
Document No.: FT_000648
FT121 ENHANCED USB DEVICE CONTROLLER WITH SPI SLAVE IC
Datasheet Version 1.2
Clearance No.: FTDI#
312
Command Name
Target
Code (hex)
Data phase
Endpoint 7 OUT
8Eh
Read 1 byte
Endpoint 7 IN
8Fh
Read 1 byte
Read Buffer
Selected Endpoint
E0h
Read multiple bytes
Write Buffer
Selected Endpoint
F0h
Write multiple bytes
Set Endpoint Status
Endpoint 0 OUT
50h
Write 1 byte
Endpoint 0 IN
51h
Write 1 byte
Endpoint 1 OUT
52h
Write 1 byte
Endpoint 1 IN
53h
Write 1 byte
Endpoint 2 OUT
54h
Write 1 byte
Endpoint 2 IN
55h
Write 1 byte
Endpoint 3 OUT
56h
Write 1 byte
Endpoint 3 IN
57h
Write 1 byte
Endpoint 4 OUT
58h
Write 1 byte
Endpoint 4 IN
59h
Write 1 byte
Endpoint 5 OUT
5Ah
Write 1 byte
Endpoint 5 IN
5Bh
Write 1 byte
Endpoint 6 OUT
5Ch
Write 1 byte
Endpoint 6 IN
5Dh
Write 1 byte
Endpoint 7 OUT
5Eh
Write 1 byte
Endpoint 7 IN
5Fh
Write 1 byte
Acknowledge Setup
Selected Endpoint
F1h
None
Clear Buffer
Selected Endpoint
F2h
None
Validate Buffer
Selected Endpoint
FAh
None
General Commands
Send Resume
Device
F6h
None
Read Current Frame Number
Device
F5h
Read 1 or 2 bytes
Set 3-wire Mode
Device
E8h
None
Set IO Pad Drive Strength
Device
E9h
Write 1 byte



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