ASAHI KASEI
[AK4564]
Timer Select
Addr
Register Name
D7
TM1
0
D6
TM0
1
D5
D4
D3
D2
D1
D0
Timer Select
Default
FDTM1 FDTM0 ZTM1
ZTM0 WTM1 WTM0
06H
0
1
1
0
1
0
WTM1•0: ALC1 Recovery Waiting Period
A period of recovery operation when any limiter operation does not occur during ALC1 operation.
WTM1
WTM0
ALC1 Recovery Period
0
0
1
1
0
1
0
1
6ms
24ms
48ms
96ms
Default
Table 14. ALC1 Recovery Operation Waiting Period
ZTM1•0: IVOL Zero crossing Timeout Period
When IVOL of each L/R channels do zero crossing or timeout independently, the IVOL value is changed
by mP WRITE operation or ALC1 recovery operation.
ZTM1
ZTM0
Zero Crossing Timeout Period
0
0
1
1
0
1
0
1
6ms
24ms
48ms
96ms
Default
Table 15. Zero Crossing Timeout Period
FDTM1•0: FADEIN/OUT Cycle Setting
The FADEIN/OUT operation is done by a period set by FDTM1-0 bits when FDIN or FDOUT bits are set
to “1”. When IVOL of each L/R channel do zero crossing or timeout independently, the IVOL value is
changed.
FDTM1
FDTM0
FADEIN/OUT Period
0
0
1
1
0
1
0
1
20ms
40ms
48ms
56ms
Default
Table 16. FADEIN/OUT Period
TM1-0: Select zero crossing timeout period of OATT
These bits are enabled at ZCE = “1”.
TM1
TM0
Zero Crossing Timeout Period
0
0
1
1
0
1
0
1
8ms
16ms
32ms
64ms
Default
Table 17. Select zero crossing timeout of OATT
* WTM1-0, ZTM1-0, FDTM1-0 and TM1-0 have the same time between fs=32kHz (FSTM bit = “1”)
and fs=48kHz (FSTM bit = “0”).
MS0140-E-01
2002/07
- 39 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
