ak5354 AKM Semiconductor, Inc., ak5354 Datasheet - Page 13

• Manufacturer Part Number: ak5354
• Description: Low Power 20bit ?? Adc With Pga
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
Mode Control 2
MS0054-E-02
Addr
02H
MONO1-0: Monaural Mixing
ZTM1-0:
DIF:
Inhibits writing at PM1 = “0”.
Register Name
Mode Control 2
Select Digital Interface Format
RESET
Stereo Recording
Monaural Recording
Stereo Input
Monaural Recording
Lch Input
Monaural Recording
Rch Input
Setting of Zero Crossing Timeout for IPGA
No.
0
1
00: Stereo (RESET)
01: (L+R)/2
10: LL
11: RR
00: 256/fs
01: 512/fs
10: 1024/fs
11: 2048/fs (RESET)
Mode
Lch
Rch
DIF bit
0
1
ADC
HPF
ADC
HPF
MONO1
20bit MSB justified
D7
0
I
SDTO(ADC)
2
S Compatible
Figure 10. Monaural mixing block
Table 2. Monaural Mode Setting
(L+R)/2
Table 3. Audio Data Format
SW1
+
Rch
Lch
Lch
MONO0
D6
0
x 0.5
- 13 -
ZTM1
(L+R)/2
D5
Lch: “H”, Rch: “L”
Lch: “L”, Rch: “H”
1
SW2
Rch
Lch
Rch
LRCK
ZTM0
D4
1
MONO1
0
0
1
1
SW1
SW2
D3
0
0
BCLK
≥ 40fs
≥ 40fs
MONO0
Rch
Lch
D2
0
0
Reset
0
1
0
1
DIF
D1
0
[AK5354]
2004/12
D0
0
0