AK4631 Datasheet, PDF (47/69 Pages) Asahi Kasei Microsystems – 16-Bit Mono CODEC with ALC & MIC/SPK-AMP

ASAHI KASEI
[AK4631]
Addr
03H
Register Name
Signal Select 2
Default
D7
D6
D5
D4
D3
D2
D1
D0
0
AOPSN MGAIN1 SPKG1 SPKG0 BEEPA ALC1M ALC1A
0
0
0
0
0
0
0
0
ALC1A: ϞϊϥϧϥΠϯΞ΢τΞϯϓʹೖྗ͞ΕΔALC1ग़ྗ৴߸ͷίϯτϩʔϧ
0: OFF (Default)
1: ON
PMAO bit=“1”ͷ࣌ɺ͜ͷϏοτ͸༗ޮʹͳΓ·͢ɻPMAO bit=“0”ͷ࣌ɺAOUT pin͸AVSSʹͳΓ
·͢ɻ
ALC1M: ϞϊϥϧΞϯϓ ʹೖྗ͞ΕΔALC1ग़ྗ৴߸ͷίϯτϩʔϧ
0: OFF (Default)
1: ON
PMSPK bit=“1”ͷ࣌ɺ͜ͷϏοτ͸༗ޮʹͳΓ·͢ɻPMSPK bit=“0”ͷ࣌ɺMOUT pin͸Hi-ZʹͳΓ
·͢ɻ
BEEPA: ϞϊϥϧϥΠϯΞ΢τΞϯϓ ʹೖྗ͞ΕΔBEEP৴߸ͷίϯτϩʔϧ
0: OFF (Default)
1: ON
PMAO bit=“1”ͷ࣌ɺ͜ͷϏοτ͸༗ޮʹͳΓ·͢ɻPMAO bit=“0”ͷ࣌ɺAOUT pin͸AVSSʹͳΓ
·͢ɻ
SPKG1-0: εϐʔΧΞϯϓग़ྗήΠϯͷઃఆ(See Table 24)
SPKG1-0 bits
ήΠϯ
00
0dB
01
+2.2dB
10
+4.4dB
11
+8.7dB
Table 24. SPK-Amp ήΠϯ
MGAIN1: ϚΠΫΞϯϓͷήΠϯίϯτϩʔϧ(See Table 23)
IPGA
DAC
BEEP
ALC1M
DACM
MIX
ALC2
ALC2S
BEEPS
ALC1A
DACA
BEEPA
Figure 41. Speaker and Mono Lineout-Amps switch control
SPK
AOUT
MS0317-J-01
- 47 -
2004/11