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AK4589_1 Datasheet, PDF (42/76 Pages) Asahi Kasei Microsystems – 2/8-Channel Audio CODEC with DIR
ASAHI KASEI
[AK4589]
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 RSTN1
0
0
0
0
0
0
0
1
RSTN1: 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 16)
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
D4
D3
DZFM2 DZFM1 DZFM0
1
1
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 13)
Initial: “0111”, disable
OVFE: Overflow detection enable
0: Disable, pin#33 becomes DZF2 pin.
1: Enable, pin#33 becomes OVF pin.
MS0339-E-00
- 42 -
2004/09