FT120T-R Datasheet, PDF (14/40 Pages) Future Technology Devices International Ltd. – USB Device Controller with Parallel Bus IC

Command Name
Read Buffer
Write Buffer
Set Endpoint Status
Acknowledge Setup
Clear Buffer
Validate Buffer
Read Current Frame Number
Send Resume
Table 6-1 FT120 command set
Document No.: FT_000646
FT120 USB DEVICE CONTROLLER WITH PARALLEL BUS IC
Datasheet Version 1.2
Clearance No.: FTDI# 291
Target
Code (hex) Data phase
Endpoint 2 IN
85h
Read 1 byte
Selected Endpoint
F0h
Read multiple bytes
Selected Endpoint
F0h
Write multiple bytes
Endpoint 0 OUT
40h
Write 1 byte
Endpoint 0 IN
41h
Write 1 byte
Endpoint 1 OUT
42h
Write 1 byte
Endpoint 1 IN
43h
Write 1 byte
Endpoint 2 OUT
44h
Write 1 byte
Endpoint 2 IN
45h
Write 1 byte
Selected Endpoint
F1h
None
Selected Endpoint
F2h
None
Selected Endpoint
FAh
None
General Commands
Device
F5h
Read 1 or 2 bytes
Device
F6h
None
6.2 Initialization Commands
6.2.1 Set Address Enable
Command
Data
: D0h
: Write 1 byte
Bit
Symbol
Reset
Description
6-0 Address
0b’0000000 USB assigned device address. A bus reset will reset all
address bits to 0.
7 Enable
0
Table 6-2 Address Enable Register
Function enable. A bus reset will automatically enable the
function at default address 0.
6.2.2 Set Endpoint Enable
Command
: D8h
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