AK4562 Datasheet, PDF (18/29 Pages) Asahi Kasei Microsystems – LOW POWER 20BIT CODEC WITH PGA

ASAHI KASEI
[AK4562]
Mode Control 2
Addr
02H
Register Name
Mode Control 2
RESET
D7
D6
MONO1 MONO0
0
0
D5
ZTM1
1
D4
ZTM0
1
D3
DEM1
0
D2
DEM0
1
D1
DIF1
0
D0
DIF0
0
MONO1-0:
Monaural Mixing
00: Stereo (RESET)
01: (L+R)/2
10: LL
11: RR
ZTM1-0: Setting of Zero Crossing Timeout for IPGA and OPGA
00: 256/fs
01: 512/fs
10: 1024/fs
11: 2048/fs (RESET)
DEM1-0: Select Frequency of De-emphasis
00: 44.1kHz ON
01: OFF (RESET)
10: 48kHz ON
11: 32kHz ON
DIF1-0: Select Digital Interface Format
No. DIF1 bit DIF0 bit SDTO(ADC)
SDTI(DAC)
0
0
0 20bit MSB justified 20bit LSB justified
1
0
1 20bit MSB justified 16bit LSB justified
2
1
3
1
0 20bit MSB justified 24bit LSB justified
1
I²S Compatible
I²S Compatible
Table 2. Audio Data Format
LRCK
Lch: “H”, Rch: “L”
Lch: “H”, Rch: “L”
Lch: “H”, Rch: “L”
Lch: “L”, Rch: “H”
BCLK
≥ 40fs
≥ 32fs
≥ 48fs
≥ 40fs
Reset
MS0031-E-00
- 18 -
2000/05