AK4589 Datasheet, PDF (40/76 Pages) Asahi Kasei Microsystems – 2/8 CHANNEL AUDIO CODEC WITH DIR

ASAHI KASEI
[AK4589]
Addr Register Name
01H Control 2
Default
D7 D6
D5
D4
D3
CKS1 DFS1 LOOP1 LOOP0 SDOS
0
0
0
0
0
D2
DFS0
0
D1
ACKS
0
D0
CKS0
0
ACKS: ΫϩοΫࣗಈೝࣝϞʔυ༗ޮ
0: ແޮ, Manual Setting Mode
1: ༗ޮ, Auto Setting Mode
ACKS bit = “1”ͷͱ͖ɺMCLK प೾਺͸ࣗಈݕग़͞Ε·͢ɻ͜ͷ৔߹ DFS ͷઃఆ͸ແࢹ͞Ε
·͢ɻACKS bit = “0”ͷͱ͖ɺαϯϓϦϯάεϐʔυϞʔυ͸ DFS0,1 bit Ͱઃఆ͠ɺ֤Ϟʔυ
Ͱͷ MCLK प೾਺͸ࣗಈݕग़͞Ε·͢ɻ
DFS1-0: αϯϓϦϯάεϐʔυίϯτϩʔϧ(Table 1)
ACKS bit = “1”ͷͱ͖ɺDFSͷઃఆ͸ແࢹ͞Ε·͢ɻ
CKS0-1: ϚελΫϩοΫೖྗप೾਺બ୒ (MASTER Mode, Table 2)
SDOS: SDTO1ιʔεબ୒
0: ADC
1: DAUX1

TDM0 bit = “1”ͷͱ͖ɺSDOS bitͷઃఆ͸ “0”ʹઃఆͯ͠Լ͍͞ɻ








PWADN bit =”0”͔ͭPWDAN bit =”0”ͷ৔߹ʹ͸ɺSDOSͷϨδελͷઃఆ͸ແޮʹͳΓɺ
ADCग़ྗ͕બ୒͞Ε·͢ɻʢPWADN bit =”0”ͷͨΊSDTO1 pinग़ྗ͸”L”ग़ྗͱͳΓ·͢ɻʣ
LOOP1-0: ϧʔϓόοΫϞʔυ༗ޮ
00: ௨ৗಈ࡞ (ϧʔϓόοΫͳ͠)
01: LIN → LOUT1, LOUT2, LOUT3, LOUT4
RIN → ROUT1, ROUT2, ROUT3, ROUT4
ADCͷσΟδλϧग़ྗ(SDOS bit = “1”ͷͱ͖͸DAUX1ೖྗ)ΛDACͷσΟδλϧೖྗʹ઀
ଓ͠·͢ɻ͜ͷϞʔυͰ͸DACೖྗͷSDTI1-4͸ແࢹ͞Ε·͢ɻϧʔϓόοΫϞʔυ࣌
SDTO1ͷϑΥʔϚοτ͸ɺΦʔσΟΦϑΥʔϚοτ͕mode0ͷ৔߹͸mode2ɺmode1ͷ৔߹
͸mode3ʹͳΓ·͢ɻ
10: SDTI1(L) → SDTI2(L), SDTI3(L), SDTI4(L)
SDTI1(R) → SDTI2(R), SDTI3(R), SDTI4(R)
͜ͷϞʔυͰ͸DACೖྗͷSDTI2-4͸ແࢹ͞Ε·͢ɻ
11: N/A
TDM0 bit = “1”ͷͱ͖ɺLOOP1-0 bitͷઃఆ͸ “00”ʹઃఆͯ͠Լ͍͞ɻ








PWADN bit =”0”͔ͭPWDAN bit =”0”ͷ৔߹ʹ͸ɺLOOP1-0 bitͷઃఆ͸ແޮ
ʹͳΓɺ௨ৗಈ࡞(ϧʔϓόοΫͳ͠)ʹͳΓ·͢ɻ
MS0339-J-00
- 40 -
2004/09