AK7746 Datasheet, PDF (33/62 Pages) Asahi Kasei Microsystems – Audio DSP with 5-channel 24-bit ADC and Input Mux

[ASAHI KASEI]
[AK7746]
8) CONT7 : ADC setting ( See. 3 Block diagram)
Recommend this register changing at system reset state ( S_RESET =”L”).
Command
Code
WR
6Eh 7Eh
Name
CONT7
D7
SWQM2
D6
D5
D4
SWQM1 OUTA2E_N OUTA1E_N
c D7 : SWQM2 SDOUTA2 Output select
0: Select ADC2 output
1: Select ADCM output
d D6 : SWQM1 SDOUTA1 Output select
0: Select ADC1 output.
1: Select ADCM output
e D5 : OUTA2E_N SDOUTA2 Output select
0: Normal operation
1: SDOUTA2=”L”
f D4 : OUTA1E_N SDOUTA1 Output select
0: Normal operation
1: SDOUTA1=”L”
g D3 : PSADM
0: Normal operation
1: ADCM power save mode.
When ADCM is not used, it can be powered down
( The digital output data of the ADCM is 000000h )
When it resumes normal operation, it should write 0.
h D2 : PSAD2
0: Normal operation
1: ADC2 power save mode
When ADC2 is not used, it can be powered down
( The digital output data of the ADC2 is 000000h )
When it resumes normal operation, it should write 0.
i D1 : PSAD1
0: Normal operation
1: ADC1 power save mode
When ADC1 is not used, it can be powered down
( The digital output data of the ADC1 is 000000h )
When it resumes normal operation, it should write 0.
D3
PSADM
D2
PSAD2
j D0 : Always input 0.
Note) Underlines of the c~i mean default setting.
D1
PSAD1
D0 Default
× 0000 000X
[MS0369-E00]
- 33 -
2004/12