[AK4706]
■ Register Definitions
Addr Register Name
00H Control
R/W
D7
D6
D5
D4
D3
D2
D1
D0
DEM1
DEM0
DIF1
DIF0
AUTO
DAPD
MUTE
STBY
R/W
default
0
1
1
1
1
0
1
1
STBY: Standby control
0: Normal Operation
1: Standby Mode (default)
DAC: powered down and timings are reset.
Gain of Volume#1:fixed to 0dB
Source of TVOUT:fixed to VCRIN
Source of VCROUT: fixed to TVIN
Source of MONOOUT: fixed to VCRIN
Source of TVVOUT: fixed to VCRVIN (or Hi-Z)
Source of TVRC: fixed to VCRRC (or Hi-Z)
Source of TVG: fixed to VCRG (or Hi-Z)
Source of TVB: fixed to VCRB (or Hi-Z)
Source of TVFB: fixed to VCRFB (or Hi-Z)
Source of TVSB: fixed to VCRSB
Source of VCRVOUT: fixed to TVVIN (or Hi-Z)
Source of VCRC: fixed to Hi-Z or VSS (controlled by CIO bit)
MUTE: Audio output control
0: Normal operation
1: All Audio outputs to GND (default)
DAPD: DAC power down control
0: Normal operation (default).
1: DAC power down.
When DAPD bit = “1”, the soft transition for volume does not work.
AUTO: Auto startup bit
0: Auto startup disable (Manual startup).
1: Auto startup enable (default).
When the SBIO1bit = “1”(default= “0”), the change of AUTO bit may cause a “L” pulse on INT pin.
DIF1-0: Audio data interface format control
00: 16bit LSB Justified
01: 18bit LSB Justified
10: 24bit MSB Justified
11: 24bit I2S Compatible (default)
DEM1-0: De-emphasis Response Control
00: 44.1kHz
01: off (default)
10: 48kHz
11: 32kHz
MS0507-E-01
2010/09
- 42 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
