AK5356 Datasheet, PDF (18/22 Pages) Asahi Kasei Microsystems – LOW POWER 20BIT ADC WITH MIC AMP & PGA

ASAHI KASEI
[AK5356]
Mode Control
Addr Register Name
02H Mode Control
Default
D7
D6
D5
D4
D3
D2
D1
D0
MONO1 MONO0 ZTM1 ZTM0
0
0
DIF
0
0
0
1
1
0
0
0
0
MONO1-0: Monaural Mixing
00: Stereo (Default)
01: (L+R)/2
10: LL
11: RR
Lch ^ADC
HPF
SW1
Lch
Rch
ADC
HPF
+
x 0.5
SW2
Rch
Figure 12. Monaural mixing block
Mode
Stereo Recording
Monaural Recording
Stereo Input
Monaural Recording
Lch Input
Monaural Recording
Rch Input
SW1
Lch
(L+R)/2
SW2
Rch
(L+R)/2
MONO1
0
0
Lch
Lch
1
Rch
Rch
1
Table 2. Monaural Mode Setting
MONO0
0
1
0
1
ZTM1-0: Setting of Zero Crossing Timeout for IPGA
00: 256/fs
01: 512/fs
10: 1024/fs
11: 2048/fs (Default)
DIF: Select Digital Interface Format
No. DIF bit
SDTO (ADC)
LRCK
BCLK
0
0
16bit MSB justified Lch: “H”, Rch: “L” = 32fs _Default
20bit MSB justified Lch: “H”, Rch: “L” ≥ 40fs
16bit I²S Compatible Lch: “L”, Rch: “H” = 32fs
1
1
20bit I²S Compatible Lch: “L”, Rch: “H” ≥ 40fs
Table 3. Audio Data Format
MS0171-E-00
- 18 -
2002/08