AK4705 Datasheet, PDF (38/50 Pages) Asahi Kasei Microsystems – 2ch 24bit DAC with AV SCART Switch

[AK4705]
■ Register Definitions
Addr
00H
Register Name
Control
R/W
default
D7
DEM1
0
D6
DEM0
1
D5
DIF1
1
D4
D3
DIF0 AUTO
R/W
1
1
D2
D1
DAPD MUTE
0
1
D0
STBY
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).
Note: 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
MS0451-E-01
- 38 -
2007/06