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AK4635 Datasheet(PDF) 73 Page - Asahi Kasei Microsystems

Part # AK4635
Description  16-Bit Mono CODEC with ALC & MIC/SPK/Video-AMP
PDF  81 Pages
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Manufacturer  AKM [Asahi Kasei Microsystems]
Direct Link  http://www.akm.com
Logo AKM - Asahi Kasei Microsystems

AK4635 Datasheet(HTML) 73 Page - Asahi Kasei Microsystems

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[AK4635]
Rev. 0.6
2007/10
- 73 -
Addr
Register Name
D7
D6
D5
D4
D3
D2
D1
D0
11H
Digital Filter Select 1
0
0
LPF
HPF
0
0
0
HPFAD
R/W
R
R
R/W
R/W
R
R
R
R/W
Default
0
0
0
1
0
0
0
1
HPFAD: HPF Enable in ADC block
0: Disable
1: Enable (default)
When HPFAD bit is “0”, HPFAD block is bypassed (0dB).
When HPFAD bit is “1”, F1A13-0, F1B13-0 bits are enabled.
HPFAD bit should be “1”at PMADC bit = “1”.
HPF: HPF Enable in Filter block.
0: Disable
1: Enable (default)
When HPF bit is “0”, HPF block is bypassed (0dB).
When HPF bit is “1”, F1A13-0, F1B13-0 bits are enabled.
LPF: LPF Coefficient Setting Enable
0: Disable (default)
1: Enable
When LPF bit is “0”, LPF block is bypassed (0dB).
When LPF bit is “1”, F2A13-0, F2B13-0 bits are enabled.
Addr
Register Name
D7
D6
D5
D4
D3
D2
D1
D0
1CH
HPF Co-efficient 0
F1A7
F1A6
F1A5
F1A4
F1A3
F1A2
F1A1
F1A0
1DH
HPF Co-efficient 1
0
0
F1A13
F1A12
F1A11
F1A10
F1A9
F1A8
1EH
HPF Co-efficient 2
F1B7
F1B6
F1B5
F1B4
F1B3
F1B2
F1B1
F1B0
1FH
HPF Co-efficient 3
0
0
F1B13
F1B12
F1B11
F1B10
F1B9
F1B8
R/W
W
W
W
W
W
W
W
W
Default
F1A13-0 bits = 0x1F16, F1B13-0 bits = 0x1E2B
F1A13-0, F1B13-0: FIL1 (Wind-noise Reduction Filter) Coefficient (14bit x 2)
Default: F1A13-0 bits = 0x1F16, F1B13-0 bits = 0x1E2B
fc = 75Hz@fs = 8kHz, 150Hz@fs = 16kHz
Addr
Register Name
D7
D6
D5
D4
D3
D2
D1
D0
20H
BEEP Frequency
BPCNT
0
0
0
0
0
BPFR1
BPFR0
R/W
R/W
R
R
R
R
R
R/W
R/W
Default
0
0
0
0
0
0
0
0
BPFR1-0: BEEP Signal Output Frequency Setting (Table 38 ~ Table 40)
Default: “00”
BPCNT: BEEP Signal Output Mode Setting
0: Once Output Mode (default)
1: Continuous Mode
In continuous mode, the BEEP signal is output while BPCNT bit is “1”.
In once output mode, the BEEP signal is output by only the frequency set with BPTM6-0 bits.



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