Pre-Production
WM8940
NORMAL MODE
ALCMODE = 0 (Normal Mode)
Attack Time (s)
tATK6dB
tATK
tATK90%
ALCATK
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
104µs
208µs
416µs
832µs
1.66ms
3.33ms
6.66ms
13.3ms
26.6ms
53.2ms
106ms
213.2ms
426ms
852ms
6ms
12ms
24ms
48ms
96ms
192ms
384ms
767ms
1.53s
3.07s
6.13s
832µs
1.66ms
3.33ms
6.66ms
13.3ms
26.6ms
53.2ms
106ms
ALCMODE = 0 (Normal Mode)
Decay Time (s)
tDCY6dB
tDCY
tDCY90%
ALCDCY
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
410µs
820µs
3.28ms
6.56ms
13.1ms
26.2ms
52.5ms
105ms
210ms
420ms
840ms
1.68s
23.6ms
47.2ms
94.5ms
189ms
378ms
756ms
1.51s
3.02s
6.05s
12.1s
24.2s
1.64ms
3.28ms
6.56ms
13.1ms
26.2ms
52.5ms
105ms
210ms
420ms
3.36s
Table 21 ALC Normal Mode (Attack and Decay times)
Pre-Production, Rev 3.0, February 2007
31
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
