AK7755EN_16 Datasheet, PDF (40/109 Pages) Asahi Kasei Microsystems – DSP with Mono ADC Stereo CODEC + Mic/Lineout Amp

[AK7755]
CONT09: Analog Input / Output Setting
W R Name D7 D6 D5 D4 D3
D2
D1
D0
Default
C9h 49h CONT09 DIFR INR DIFL INL LO3SW3 LO3SW2 LO3SW1 SELMIX[2] 00h
D7, D6: DIFR, INR ADC Rch Analog Input
DIFR bit INR bit ADC Rch
0
0
IN3
(default)
0
1
IN4
1
X
INP2/INN2
IN1/INP1 pin
IN2/INN1 pin
D5, D4: DIFL, INL ADC Lch Analog Input
DIFL bit INL bit ADC Lch
0
0
IN1
(default)
0
1
IN2
1
X
INP1/INN1
IN3/INP2 pin
IN4/INN2 pin
INL bit
AK7755
DIFL bit
MIC-Amp
Lch
ADC
Lch
INR bit
DIFR bit
MIC-Amp
Rch
ADC
Rch
D3: LO3SW3 OUT3 Mixing Select 3
0: LIN off (default)
1: LIN on
Figure 22. Analog Input Select
D2: LO3SW2 OUT3 Mixing Select 2
0: DAC Rch off (default)
1: DAC Rch on
D1: LO3SW1 OUT3 Mixing Select 1
0: DAC Lch off (default)
1: DAC Lch on
LIN pin
AK7755
LIGN[3:0]
Mono
ADC
Stereo
DAC Lch
Stereo
DAC Rch
LOVOL1[3:0]
LO3SW1
LO3SW2
LO3SW3
LOVOL2[3:0]
M
I
X
LOVOL3[3:0]
OUT1 pin
OUT2 pin
OUT3 pin
Figure 23. OUT3 Output Select
D0: SELMIX[2] Digital Mixer Input Select
Refer to CONT08: D1, D0, SELMIX[2:0] bits
014006643-E-00
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2014/10