AK4213 Datasheet, PDF (34/38 Pages) Asahi Kasei Microsystems – Mono Class-D SPK-Amp with Stereo Cap-less HP-Amp

[AK4213]
Addr
0CH
Register Name
Mode Control 1
R/W
Default
D7
D6
D5
D4
D3
D2
D1
D0
0
0 MOFF 0
PTS1 PTS0
0
0
RD
RD
R/W
RD
R/W R/W
RD
RD
0
0
0
0
0
0
0
0
PTS1-0: Headphone-Amp Mute ON/OFF Transition Time
Default: “00”, typ. 16.4ms (Table 16)
MOFF0: Soft transition for changing HPMTN bit
0: Enable (default)
1: Disable
Addr Register Name
D7
0DH Headphone PGA Control 0
R/W
RD
Default
0
D6
D5
D4
D3
D2
D1
D0
HPZ HPMTN HPGA4 HPGA3 HPGA2 HPGA1 HPGA0
R/W R/W R/W R/W R/W R/W R/W
0
0
1
1
0
0
1
HPGA4-0: Headphone-Amp Volume Setting
Default: 19H; 0dB (Table 13)
HPMTN: Headphone-Amp Mute
0: Mute (default)
1: Normal Output
HPZ: Headphone-Amp Pull-down Control
0: Ground Mode (default)
HPL/HPR pins are shorted to VSS3.
1: Hi-Z Mode
HPL/HPR pins are pulled-down by 25kΩ(typ) to VSS3.
Addr
0EH
Register Name
Speaker PGA Control
R/W
Default
D7
D6
D5
D4
D3
D2
D1
D0
0
0 SPGA5 SPGA4 SPGA3 SPGA2 SPGA1 SPGA0
RD
RD R/W R/W R/W R/W R/W R/W
0
0
0
1
1
0
0
0
SPGA5-0: Speaker-Amp Volume Setting
Default: 18H; 0dB (Table 12)
When PMSPK bit is set to “0”, reading and writing of SPGA5-0 bits are inhibited. When changing from
PMSPK bit = “0” to PMSPK bit = “1”, SPGA volume becomes default value (0dB) regardless of the setting
of SPGA5-0 bits.
Addr
0FH
Register Name
ALC Mode Control 1
R/W
Default
D7
D6
D5
D4
D3
D2
D1
D0
0
0
REF5 REF4 REF3 REF2 REF1 REF0
RD
RD R/W R/W R/W R/W R/W R/W
0
0
1
1
1
1
0
0
REF5-0: Reference value at ALC Recovery Operation
Default: 3CH; +18dB (Table 10)
MS0949-E-01
- 34 -
2008/07