AK4950 Datasheet, PDF (81/106 Pages) Asahi Kasei Microsystems – 24bit Stereo CODEC with MIC/SPK/Cap-less VIDEO-AMP & mini DSP

[AK4950]
Addr
0BH
Register Name
HPF Control
R/W
Default
D23
D22
D21
D20
D19
D18
D17
D16
0
0
0
0
0
HPFC1 HPFC0 HPFAD
R
R
R
R
R
R/W
R/W
R/W
0
0
0
0
0
0
0
1
HPFAD: HPF1 Control of ADC
0: OFF
1: ON (default)
When HPFAD bit is “1”, the settings of HPFC1-0 bits are enabled. When HPFAD bit is “0”, HPFAD block is
through (0dB).
When PMADL bit = “1” or PMADR bit = “1”, set HPFAD bit to “1”.
HPFC1-0: Cut-off Frequency Setting of HPF1 (ADC) (Table 40)
Default: “00” (3.4Hz @ fs = 44.1kHz)
Addr
0CH
Register Name
Video Control
R/W
Default
D23
D22
D21
D20
D19
0
0
0
0
VG1
R
R
R
R
R/W
0
0
0
0
0
PMV: Composite Video Block Power Management (VIN pin → VOUT pin)
0: Power down (default)
1: Power up
PMCP: Charge Pump Power Management
0: Power down (default)
1: Power up
VG1-0: Video Amp Gain Select
VG1-0 bits
GAIN(dB)
00
+6dB
(default)
01
+9dB
10
+12dB
11
+16.5dB
Table 54. Video Signal Gain Setting
D18
D17
D16
VG0
PMCP
PMV
R/W
R/W
R/W
0
0
0
MS1320-E-00
- 81 -
2011/10