AK4632VN AKM [Asahi Kasei Microsystems], AK4632VN Datasheet - Page 47

• Manufacturer Part Number: AK4632VN
• Description: 16-Bit ?? Mono CODEC with ALC & MIC/SPK/Video-AMP
• Manufacturer: AKM [Asahi Kasei Microsystems]

Addr
ASAHI KASEI
03H
MS0396-E-00
SPKG1-0: Select Speaker-Amp Output Gain (See Table 27)
MGAIN1: Mic-Amplifier Gain Control(See Table 26)
ALC1A: Switch Control from ALC1 output signal to mono line output amp.
ALC1M: Switch Control from ALC1 output signal to mono amp.
BEEPA: Switch Control from beep signal to mono line output amp.
0: OFF (Default)
1: ON
0: OFF (Default)
1: ON
0: OFF (Default)
1: ON
Register Name
Signal Select 2
BEEP
IPGA
DAC
When PMAO bit is “1”, ALC1A bit is enabled. When PMAO bit is “0”, the AOUT pin is AVSS.
When PMSPK bit is “1”, ALC1M is enabled. When PMSPK bit is “0”, the MOUT pin goes Hi-Z state.
When PMAO bit is “1”, BEEPA is enabled. When PMAO bit is “0”, the AOUT pin is AVSS.
Default
Figure 44. Speaker and Mono Lineout-Amps switch control
BEEPS
ALC1M
DACM
D7
0
0
SPKG1-0 bits
Table 27. Gain of Speaker-Amp
BEEPA
ALC1A
00
01
10
11
DACA
D6
0
0
MIX
MGAIN1
- 47 -
D5
0
+2.2dB
+4.4dB
+8.7dB
Gain
0dB
SPKG1
D4
0
ALC2
SPKG0
D3
0
ALC2S
BEEPA
D2
0
ALC1M
D1
AOUT
0
SPK
[AK4632]
ALC1A
2005/06
D0
0