AK4703 Datasheet, PDF (26/38 Pages) Asahi Kasei Microsystems – AV SCART switch

ASAHI KASEI
AKM CONFIDENTIAL
[AK4703]
„ Register Definitions
Addr Register Name D7
D6
D5
D4
D3
D2
D1
D0
00H Control
0
0
0
0
AUTO AMPPD BIAS STBY
R/W
R/W
Default
0
0
0
0
1
1
1
1
STBY: Standby control
0: Normal Operation
1: Standby Mode (Default). All registers are not initialized.
DAC
: Powered down and timings are reset.
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 VCRVOUT : fixed to TVVIN (or Hi-Z),
Source of VCRC
: fixed to Hi-Z or VSS (controlled by CIO bit).
BIAS: Audio output control
0: Normal operation
1: ALL Audio outputs to GND (Default)
AMPPD: AMP power down control
0: Normal operation
1: AMP power down (Default)
AUTO: Auto startup bit
0: Auto startup disable (Manual startup).
1: Auto startup enable (Default).
Note: When the SBIO1 bit = “1”(Default = “0”), the change of AUTO bit may cause a “L” pulse on INT
pin.
Rev. 0.1
- 26 -
2004/03