Philips UDA1325 用户手册
1999 May 10
30
Philips Semiconductors
Preliminary specification
Universal Serial Bus (USB) CODEC
UDA1325
COMMAND SUMMARY
COMMAND NAME
RECIPIENT
CODING
DATA PHASE
Initialization commands
Set address/enable
device
D0h
write 1 byte
Read address/enable
device
D0h
read 1 byte
Set endpoint enable
device
D8h
write 1 byte
Read endpoint enable
device
D8h
read 1 byte
Set mode
device
F3h
write 1 byte
Data flow commands
Read interrupt register
device
F4h
read 1 byte
Select endpoint
control OUT
00h
read 1 byte (optional)
control IN
01h
read 1 byte (optional)
other endpoints
00h + endpoint index
read 1 byte (optional)
Get endpoint status
control OUT
40h
read 1 byte
control IN
41h
read 1 byte
other endpoints
40h + endpoint index
read 1 byte
Set endpoint status
control OUT
40h
write 1 byte
control IN
41h
write 1 byte
other endpoints
40h + endpoint index
write 1 byte
Read buffer
selected endpoint
F0h
read n bytes
Write buffer
selected endpoint
F0h
write n bytes
Acknowledge setup
selected endpoint
F1h
none
Clear buffer
selected endpoint
F2h
none
Validate buffer
selected endpoint
FAh
none
General commands
Read current frame number
F5h
read 1 or 2 bytes