AK4629 Datasheet, PDF (39/46 Pages) Asahi Kasei Microsystems – High Performance Multi-channel Audio CODEC

[AK4629]
Addr Register Name
D7
D6
D5
D4
D3
D2
D1
D0
09H ATT speed &
Power Down Control
0
PDDA4 ATS1 ATS0 PDDA3 PDDA2 PDDA1 RSTN
Default
0
0
0
0
0
0
0
1
RSTN: Internal timing reset
0: Reset. DZF1-2 pins go to “H”, but registers are not initialized.
1: Normal operation
ATS1-0: Digital attenuator transition time setting (Table 13)
Initial: “00”, mode 0
PDDA4-1: Power-down control (0: Power-up, 1: Power-down)
PDDA1: Power down control of DAC1
PDDA2: Power down control of DAC2
PDDA3: Power down control of DAC3
PDDA4: Power down control of DAC4
Addr Register Name D7
D6
D5
D4
D3
D2
D1
D0
0AH Zero detect
0 DZFM3 DZFM2 DZFM1 DZFM0 PWVRN PWADN PWDAN
Default
0
0
1
1
1
1
1
1
PWDAN: Power-down control of DAC1-4
0: Power-down
1: Normal operation
PWADN: Power-down control of ADC
0: Power-down
1: Normal operation
PWVRN: Power-down control of reference voltage
0: Power-down
1: Normal operation
DZFM3-0: Zero detect mode select (Table 11)
Initial: “0111”, disable
Addr
0DH
Register Name
Power Down Control
Default
D7
D6
D5
D4 D3
D2
D1
D0
0
0
0
0
0
0 PDAD2 PDAD1
0
0
0
0
0
0
0
0
PDAD2-1: Power-down control (0: Power-up, 1: Power-down)
PDAD1: Power down control of ADC1
PDAD2: Power down control of ADC2
MS1277-E-02
- 39 -
2012/03