AK4628A Datasheet, PDF (36/41 Pages) Asahi Kasei Microsystems – High Performance Multi-channel Audio CODEC

ASAHI KASEI
[AK4628A]
Addr
09H
Register Name
ATT speed
& Power Down Control
Default
D7
D6
D5
D4
D3
D2
D1
D0
0
PD4 _{ATS1 ATS0 PD3}
PD2
PD1 RSTN
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 (see Table 14.)
Initial: “00”, mode 0
PD1-0: Power-down control (0: Power-up, 1: Power-down)
PD1: Power down control of DAC1
PD2: Power down control of DAC2
PD3: Power down control of DAC3
PD4: Power down control of DAC4
Addr Register Name
0AH Zero detect
Default
D7
OVFE
0
D6
DZFM3
0
D5
DZFM2
1
D4
DZFM1
1
D3
DZFM0
1
D2
PWVRN
1
D1
PWADN
1
D0
PWDAN
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 (see Table 11.)
Initial: “0111”, disable
OVFE: Overflow detection enable
0: Disable, pin#33 becomes DZF2 pin.
1: Enable, pin#33 becomes OVF pin.
MS0385-E-00
- 36 -
2005/02