[ASAHI KASEI]
[AK7740ET]
2-4) CONT3: ADC control
Command
Code
Name
D7
D6
D5
D4
D3
D2
D1
D0
Defaul
t
Write Read
6Ch
7Ch
CONT3 ISEL[2] ISEL[1] ISEL[0]
SW3
OUTAE
PSAD
TEST
X
00h
c D7,D6,D5:ISEL[2:0] analog input selector setting
ISEL[2](D7)
ISEL[1](D6)
ISEL[0](D5)
Analog input pin
0
1
1
1
1
0
0
0
1
1
0
0
1
0
1
AINL-,AINL+,AINR-,AINR+
AINL1,AINR1
AINL2,AINR2
AINL3,AINR3
AINL4,AINR4
d D4: SW3 internal path setting
0:Normal operation (ADC SDATA select)
1:DSP SDOUTD1 select
e D3:OUTAE SDOUT disable
0:SDOUTA=”L”
1:Output data selected by SW3
f D2:PSAD ADC power down
0:Normal operation
1:ADC power down
When not using the ADC, set this value to “1”, and the ADC will be in RESET.
The digital output data of the ADC will 00000h in power down mode.
When changing to normal operation, set this value to “0” at system reset.
g D1:TEST
0:Normal operation
1:TESTmode (Do NOT use this mode )
h D0: Always input 0
Note) Underlined settings of c~g indicates default.
<Pre-E-01>
- 23 -
2006/10
AKM [ ASAHI KASEI MICROSYSTEMS ]
