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AK4627 Datasheet, PDF (39/46 Pages) Asahi Kasei Microsystems – High Performance Multi-channel Audio CODEC
[AK4627]
Addr Register Name
D7 D6 D5
D4
D3
D2
09H ATT speed
& Power Down Control
0
0 ATS1 ATS0 PDDA3 PDDA2
Default
00
0
0
0
0
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
PDDA3-1: 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
D1
PDDA1
0
D0
RSTN
1
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 DAC1-3
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
MS1278-E-02
- 39 -
2012/03