AK4589 Datasheet, PDF (51/76 Pages) Asahi Kasei Microsystems – 2/8 CHANNEL AUDIO CODEC WITH DIR

ASAHI KASEI
[AK4589]

Τϥʔൃੜ࣌ͷॲཧ

INT1-0 pin ͕ “H”ʹͳΔཁҼʹ͸ҎԼͷ 8 ͕ͭ͋Γ·͢ɻ
1. UNLOCK : PLL ͕ΞϯϩοΫঢ়ଶʹͳΔͱ “1”ʹͳΓ·͢ɻ
ਖ਼͍͠ϓϦΞϯϒϧ͕ड৴Ͱ͖ͳ͍ɺए͘͠͸ͦͷִ͕ؒਖ਼͘͠ͳ͍৔߹ʹΞϯϩοΫͱͳ
Γ·͢
2. PAR
:ύϦςΟΤϥʔ·ͨ͸όΠϑΣʔζΤϥʔΛݕग़͢Δͱ “1”ʹͳΓ·͢ɻ
֤αϒϑϨʔϜຖʹߋ৽͞Ε·͢ɻ“1”ʹͳΔͱɺϨδελΛಡΈࠐΉ·ͰϦηοτ͞Ε·ͤ
Μɻ
3. AUTO
: Non-Linear PCM ϏοτετϦʔϜݕग़
4096 ϑϨʔϜͷؒͦͷ஋Λอ࣋͠·͢ɻ
4. DTSCD : DTS-CD ϏοτετϦʔϜݕग़
DTS-CD ͷ sync प͞৽ߋͰظΕ·͢ɻ
5. AUDION :ඇ AUDIO ݕग़
֤ϒϩοΫຖʹߋ৽͞Ε·͢ɻ
6. PEM
:ϓϦΤϯϑΝγεݕग़
֤ϒϩοΫຖʹߋ৽͞Ε·͢ɻ
7. QINT
:Q-subcode bit Sync ϑϥά
֤ Sync αΠΫϧຖʹߋ৽͞Ε·͢ɻU-Ϗοτ༻όοϑΝ͕มԽ͢Δͱ “1”ʹͳΓ·͢ɻϨδ
ελΛಡΈࠐΉ·ͰϦηοτ͞Ε·ͤΜɻ
8. CINT
:νϟωϧεςʔλε Sync ϑϥά
֤ϒϩοΫຖʹߋ৽͞Ε·͢ɻνϟωϧεςʔλε༻όοϑΝ͕มԽ͢Δͱ “1”ʹͳΓ·͢ɻ
ϨδελΛಡΈࠐΉ·ͰϦηοτ͞Ε·ͤΜɻ
PLL ͕ OFF ʹͳΔ৔߹(Clock Operation Mode 1)ɺINT0/1 pin ͸ “L”Ͱ͢ɻINT0 pin ͸ɺਖ਼ৗಈ࡞ʹ෮ޙͨ͠ؼɺ
1024/fs (EFH0/1 bit ͰมߋՄ)ؒ͸ “H”ͷঢ়ଶΛอ࣋͠·͢ɻINT1 pin ͸ɺਖ਼ৗಈ࡞ʹ෮ͱؼಉ࣌ʹ “L”ʹͳΓ
·͢ɻ֤ INT pin ͸ϚεΫϏοτʹΑΓཁҼΛಠཱʹϚεΫͰ͖·͢ɻPAR, QINT, CINT bit ͸Ұ౓ “1”ʹͳΔ
ͱϨδελΛಡΈࠐΉ·ͰϦηοτ͞Ε·ͤΜɻΞϯϩοΫ࣌͸νϟωϧεςʔλεϏοτɺϢʔβʔϏοτ
ʹؔ͢ΔϨδελ͸ߋ৽͞Εͣɺલͷ஋Λอ࣋͠·͢ɻ
ه্1͔Β8ͷཁҼͷOR͕֤INT pinʹग़ྗ͞Ε·͢ɻୠ͠ɺ֤ཁҼ͸ͦΕͧΕͷϚεΫϏοτͰϚεΫͰ͖ɺ
ͦͷཁҼ͸INT pinʹ൓ө͞Ε·ͤΜ(ୠ͠ɺ06HͷϨδελʹ͸൓ө͞Ε·͢)ɻINT0 pinग़ྗ͸શͯͷཁҼ͕
ਖ਼ৗಈ࡞ʹ෮ޙͨ͠ؼɺ1024/fs (EFH0/1 bitͰมߋՄ)ؒ͸ “H”ͷঢ়ଶΛอ࣋͠·͢ɻ·ͨPAR, QINT, CINT bit
͸Ұ౓ “1”ʹͳΔͱͦͷ஋͕อ࣋͞ΕɺΞυϨε06HΛಡΈࠐΉͱϦηοτ͞Ε·͢ɻΞϯϩοΫ࣌͸νϟω
ϧεςʔλεϏοτʹؔ͢ΔϨδελ͸ߋ৽͞Εͣɺલͷ஋Λอ࣋͠·͢ɻॳظঢ়ଶͰ͸INT0͸UNLOCK, PAR
bit͕༗ޮʹɺ·ͨINT1͸AUTO, DTSCD, AUDION bit͕༗ޮʹͳ͍ͬͯ·͢ɻ
UNLOCK
1
0
0
0
0
0
0
0
PAR
x
1
0
0
0
0
0
0
AUTO
x
x
1
x
x
x
x
x
Event
DTSCD
x
x
x
1
x
x
x
x
AUDION
x
x
x
x
1
x
x
x
PEM
x
x
x
x
x
1
x
x
QINT
x
x
x
x
x
x
1
x
CINT
x
x
x
x
x
x
x
1
Pin
SDTO
V
“L”
“L”
Previous Data Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
TX
Output
Output
Output
Output
Output
Output
Output
Output
Table 28. ΤϥʔϋϯυϦϯά
MS0339-J-00
- 51 -
2004/09