Manual

633
6264A–CAP–21-May-07
AT91CAP9S500A/AT91CAP9S250A
37.7.1 AC’97 Controller Mode Register
Name: AC97C_MR
Access Type: Read-Write
• VRA: Variable Rate (for Data Slots 3-12)
0: Variable Rate is inactive. (48 KHz only)
1: Variable Rate is active.
• WRST: Warm Reset
0: Warm Reset is inactive.
1: Warm Reset is active.
• ENA: AC’97 Controller Global Enable
0: No effect. AC’97 function as well as access to other AC’97 Controller registers are disabled.
1: Activates the AC’97 function.
31 30 29 28 27 26 25 24
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23 22 21 20 19 18 17 16
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15 14 13 12 11 10 9 8
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76543210
–––––VRAWRSTENA