AK7755EN_16 Datasheet, PDF (39/109 Pages) Asahi Kasei Microsystems – DSP with Mono ADC Stereo CODEC + Mic/Lineout Amp

[AK7755]
CONT08: DAC Input, SDOUT2/3 Output, Digital Mixer Input Setting
W R Name D7
D6
D5
D4
D3
D2
D1
D0
Default
C8h
48h
CONT08
SELDAI
[1]
SELDAI
[0]
SELDO3
[1]
SELDO3
[0]
SELDO2
[1]
SELDO2
[0]
SELMIX
[1]
SELMIX
[0]
00h
D7, D6: SELDAI[1:0] DAC Input Select
SELDAI mode SELDAI[1:0] Input Data
0
00
DSP DOUT4 (default)
1
01
MIXOUT
2
10
SDIN2
3
11
SDIN1
Set DIFDA[1:0] bits (CONT06: D5, D4) = 0h when selecting DSP DOUT4 or MIXOUT.
D5, D4: SELDO3[1:0] SDOUT3 pin Output Select
SELDO3 mode SELDO3[1:0] Output Data
0
00
DSP DOUT3 (default)
1
01
MIXOUT
2
10
DSP DOUT4
3
11
SDOUTAD2
The output format is fixed to MSB 24-bit when selecting SDOUTAD2 or MIXOUT.
D3, D2: SELDO2[1:0] SDOUT2 pin Output Select
SELDO2 mode SELDO2[1:0] Output Data
0
00
DSP DOUT2 (default)
1
01
GP1
2
10
SDIN2
3
11
SDOUTAD2
The output format is fixed to MSB 24-bit when selecting SDOUTAD2.
(CONT09 D0), D1, D0: SELMIX[2:0] Digital Mixer Input Select
SELMIX mode SELMIX[2:0] MIXOUT Lch
MIXOUT Rch
1
000
SDOUTAD Lch
SDOUTAD Rch
1
001
SDOUTAD Lch/2
+ SDOUTAD2 Lch/2
SDOUTAD Rch
2
010
SDOUTAD Lch
SDOUTAD Rch /2
+ SDOUTAD2 Rch/2
3
011
SDOUTAD2 Lch
SDOUTAD2 Rch
4
100
DSP-DOUT4 Lch
SDOUTAD2 Rch
5
101
SDOUTAD2 Lch
DSP-DOUT4 Rch
6
110
DSP-DOUT4 Lch
SDOUTAD Rch
7
111
SDOUTAD Lch
DSP-DOUT4 Rch
(default)
014006643-E-00
- 39 -
2014/10