adav803ast-reel7 Analog Devices, Inc., adav803ast-reel7 Datasheet - Page 58

• Manufacturer Part Number: adav803ast-reel7
• Description: Audio Codec For Recordable Dvd
• Manufacturer: Analog Devices, Inc.

ADAV803
ALC Control Register 2— Address = 1111100 (0x7C)
Table 142. ALC Control Register 2 Bit Map
7
Reserved
Table 143. ALC Control Register 2 Bit Descriptions
Bit Name
RECTH[1:0]
ATKTH[1:0]
RECTIME[1:0]
ATKTIME
ALC Control Register 3—Address 1111101 (0x7D)
Table 144. ALC Control Register 3 Bit Map
7
ALC RESET
Table 145. ALC Control Register 3 Bit Description
Bit Name
ALC RESET
6
RECTH1
6
ALC RESET
Description
Recovery threshold.
Attack threshold.
Recovery time selection.
Attack timer selection.
Description
A write to this register restarts the ALC operation. The value written to this register is irrelevant. A read from this
register gives the gain reduction factor.
00 = −2 dB.
01 = −3 dB.
10 = −4 dB.
11 = −6 dB.
00 = 0 dB.
01 = −1 dB.
10 = −2 dB.
11 = −4 dB.
00 = 32 ms.
01 = 64 ms.
10 = 128 ms.
11 = 256 ms.
0 = 1 ms.
1 = 4 ms.
5
RECTH0
5
ALC RESET
4
ATKTH1
4
ALC RESET
Rev. A | Page 58 of 60
3
ATKTH0
3
ALC RESET
2
RECTIME1
2
ALC RESET
1
1
ALC RESET
RECTIME0
0
ATKTIME
0
ALC RESET