at85c51snd3 ATMEL Corporation, at85c51snd3 Datasheet - Page 140

• Manufacturer Part Number: at85c51snd3
• Description: At85c51snd3 Single-chip Digital Audio Decoder - Encoder With Usb 2.0 Interface
• Manufacturer: ATMEL Corporation

140
AT85C51SND3B
Table 140. UPRST Register
UPRST (1.CAh) – USB Host Pipe Reset Register
Reset Value = 0000 0000b
Table 141. UPCONX Register
UPCONX (1.CBh) – USB Host Pipe Control Register
Number
Number
Bit
Bit
7
7
6
5
4
3
2
1
0
7
7
6
-
-
Mnemonic Description
Mnemonic Description
PFREEZE
PFREEZE
P6RST
P6RST
P5RST
P4RST
P3RST
P2RST
P1RST
P0RST
Bit
Bit
6
6
-
-
Reserved
The value read from this bit is always 0. Do not set this bit.
Pipe 6 Reset
Set this bit to 1 and reset this bit to 0 to reset the Pipe 6.
Pipe 5 Reset
Set this bit to 1 and reset this bit to 0 to reset the Pipe 5.
Pipe 4 Reset
Set this bit to 1 and reset this bit to 0 to reset the Pipe 4.
Pipe 3 Reset
Set this bit to 1 and reset this bit to 0 to reset the Pipe 3.
Pipe 2 Reset
Set this bit to 1 and reset this bit to 0 to reset the Pipe 2.
Pipe 1 Reset
Set this bit to 1 and reset this bit to 0 to reset the Pipe 1.
Pipe 0 Reset
Set this bit to 1 and reset this bit to 0 to reset the Pipe 0.
Reserved
The value read from this bit is always 0. Do not set this bit.
Pipe Freeze
Set this bit to Freeze the Pipe requests generation.
Clear this bit to enable the Pipe request generation.
This bit is set by hardware when:
- the pipe is not configured
- a STALL handshake has been received on this Pipe
- An error occurs on the Pipe (PERR = 1)
- (INRQ+1) In requests have been processed
This bit is set at 1 by hardware after a Pipe reset or a Pipe enable.
INMODE
P5RST
5
5
AUTOSW
P4RST
4
4
RSTDT
P3RST
3
3
P2RST
PNUM
2
2
DFCRDY
P1RST
1
1
7632D–MP3–01/07
P0RST
PEN
0
0