Atmel Evaluation Kit AT91SAM9M10-G45-EK AT91SAM9M10-G45-EK データシート
製品コード
AT91SAM9M10-G45-EK
1021
SAM9M10 [DATASHEET]
6355F–ATARM–12-Mar-13
43.8.5
AC97 Controller Codec Channel Transmit Holding Register
Name:
AC97C_COTHR
Address:
0xFFFAC044
Access:
Write-only
• READ: Read-write command
0: Write operation to the CODEC register indexed by the CADDR address.
1: Read operation to the CODEC register indexed by the CADDR address.
This flag is sent during the second AC97 frame slot
• CADDR: CODEC control register index
Data sent to the CODEC in the second AC97 frame slot.
• CDATA: Command Data
Data sent to the CODEC in the third AC97 frame slot (Slot 2).
31
30
29
28
27
26
25
24
–
–
–
–
–
–
–
–
23
22
21
20
19
18
17
16
READ
CADDR
15
14
13
12
11
10
9
8
CDATA
7
6
5
4
3
2
1
0
CDATA