AK7750 Datasheet, PDF (37/77 Pages) Asahi Kasei Microsystems – Audio DSP with Built-in Hands-Free Phone Features

[ASAHI KASEI]
[AK7750]
3) CONT2: ADC control, Serial output set and others
Change this register only during a system reset state ( S_RESET =”L”).
Command
Code
Write Read
64h 74h
Name
CONT2
D7
D6
D5
D4
PSAD OUT3E_N OUT2E_N OUT1E_N
D3
TEST
D2
TEST
c D7:PSAD
0:Normal operation
1:ADC power save
D1
TEST
D0 Default
X 0000_000x
When the ADC is not used, it is put into power-save mode by setting D7 = 1 (SDATA digital output of
ADC becomes 00 0000h). In a double or 4X speed mode, set this bit to “1”. When returning to
normal mode, write “0” to this bit during a system reset.
d D6: OUT3E_N
0 : SDOUT3 output enable
1 : SDOUT3 = “L”
e D5: OUT2E_N
0 : SDOUT2 output enable
1 : SDOUT2 = “L”
f D4: OUT2E_N
0 : SDOUT1 output enable
1 : SDOUT1 = “L”
g D3:TEST
0:Normal operation
1:Test mode (Do NOT use this mode)
h D2:TEST
0:Normal operation
1:Test mode (Do NOT use this mode)
i D1:TEST
0:Normal operation
1:Test mode (Do NOT use this mode)
j D0: set “0”
Note): Underlines “_” mean default setting.
[MS0296-E-00]
37
2005/03