AK7746 Datasheet, PDF (30/62 Pages) Asahi Kasei Microsystems – Audio DSP with 5-channel 24-bit ADC and Input Mux

[ASAHI KASEI]
[AK7746]
5) CONT4 : Internal path setting ( see. 3. Block diagram)
Recommend this register changing at system reset state ( S_RESET =”L” ).
Command
Code
WR
68h 78h
Name
CONT4
D7
SWAD1_N
D6
D5
D4
SWSDIN4_ SWSDIN3_ SWSDIN2_
N
N
N
D3
SWSDIN1
D2
D1
D0
SWADM3_ SWADM2_ _×
N
N
Default
0000 000X
c D7 : SWAD1_N DSP SDIN5 input select
0: DSP SDIN5 connects with ADC1 serial out
1: DSP SDIN5 connects with ADCM serial out
d D6 : SWSDIN4_N DSP SDIN4 input select
0: DSP SDIN4 connects with SDIN4 –pin
1: DSP SDIN4 connects with ADCM serial out.
e D5 : SWSDIN3_N DSP SDIN3 input select
0: DSP SDIN3 connects with SDIN3 pin.
1: DSP SDIN3 connects with D2: SWADM3_N.
SWADM3_N=0 ADCM selected
SWADM3_N=1 ADC2 selected
f D4 : SWSDIN2_N DSP SDIN2 input select
0: DSP SDIN2 connects with SDIN2 pin
1: DSP SDIN2 connects with D1: SWADM2_N.
SWADM2_N=0 ADCM selected
SWADM2_N=1 ADC2 selected
g D3 : SWSDIN1 DSP SDIN1 input select
0: DSP SDIN1 connects with ADC2 serial output.
1: DSP SDIN1 connects with SDIN1 pin
h D2 : SWADM3_N ADCM,ADC2 select
0: ADCM Selected
1: ADC2 Selected
i D1 : SWADM2_N ADCM,ADC2 select
0: ADCM Selected
1: ADC2 Seleted
j D0 : Always input 0
Note) Underlines of the c~i mean default setting.
[MS0369-E00]
- 30 -
2004/12