AV2188 Datasheet, PDF (11/20 Pages) List of Unclassifed Manufacturers – Multi-Channel Audio CODEC

CONTROL REGISTERS DESCRIPTION
AV2188
Control Register 0(ADDR=hex00, default=hex80)
ADDR[4:0]
Hex 00
Default Value
R/W
BIT 7
LT
0
R/W
BIT 6
IIS
CREG0[7:0]
BIT 5
BIT 4
FMT[1:0]
BIT 3
AMUTE
0
R/W
BIT 2
0
R/W
[LT, IIS] Digital Serial Bus Format Select
00: - Normal or Right Justified Format. (default)
01: - I2S Format.
10: - Left Justified Format.
10: - Not allowed.
FMT[1:0]: - These two bits define the seial audio input resolution
00: - 24-bit resolution . (default)
01: - 20-bit resolution.
10: - 18-bit resolution.
11: - 16-bit resolution.
AMUTE: - Active low automute detection enable.
0: - Automute enabled. (default)
1: - No automute.
DEML: - De-emphasis Control
00: - No De-emphasis. (default)
01: - Select 44.1K de-emphasis filter.
10:- Select 48 K de-emphasis filter.
BIT 1
BIT 0
DEM[1:0]
0
0
R/W
R/W
Control Register 1 (ADRS=hex01, default=hex80)
ADDR[4:0]
Hex 01
Default Value
R/W
BIT 7
BIT 6
ADCPWD
1
0
R/W
BIT 5
fs384
0
R/W
CREG1[7:0]
BIT 4
px4s
0
R/W
BIT 3
px2s
BIT 2
BIT 1
BIT 0
DACPWD12
0
R/W
DACPWD34
0
R/W
DACPWd56
0
R/W
ADCPWD: ADC Control.
0 - ADC operational.
1 - Power down the ADC.
11-20
June 2, 2000