AK4589 Datasheet, PDF (45/76 Pages) Asahi Kasei Microsystems – 2/8 CHANNEL AUDIO CODEC WITH DIR

ASAHI KASEI
[AK4589]
αϯϓϦϯάप೾਺ͱϓϦΤϯϑΝγεݕग़
AK4589͸αϯϓϦϯάप೾਺ݕग़๏ͱͯ͠2छྨͷํ๏͕બ୒ՄೳͰ͢ɻXTL1-0 pinʹΑΓɺX’talͷप೾਺ͱ
ͷൺֱͰप೾਺Λݕग़ͯ͠ίϯτϩʔϧϨδελͷFS0, FS1, FS2, FS3 bitʹग़ྗ͠·͢ɻൺֱ͢ΔX’talͷप೾
਺ΛҎԼͷϨδελʹΑΓબ୒Ͱ͖·͢ɻXTL1-0 pin = ”H,H”ͷ৔߹ʹ͸ਫথൃৼճ࿏͸ఀࢭ͠ɺνϟωϧε
ςʔλεͷαϯϓϦϯάप೾਺৘ใΛΤϯίʔυͯ͠ίϯτϩʔϧϨδελͷFS0, FS1, FS2, FS3, PEM bitʹ
ग़ྗ͠·͢ɻ
XTL1
0
0
1
1
XTL0
X’tal Frequency
0
11.2896MHz
1
12.288MHz
0
24.576MHz
1
ʢνϟωϧεςʔλε࢖༻ʣ
Table 19. ϦϑΝϨϯεਫথप೾਺
Default
XTL1,0= “1,1”Ҏ֎
XTL1,0= “1,1”
Register output
fs
FS3 FS2 FS1 FS0
Clock comparison
(Note 1)
Consumer
mode
(Note 2)
Byte3
Bit3,2,1,0
Professional mode
Byte0
Bit7,6
Byte4
Bit6,5,4,3
0
0
0
0
44.1kHz
44.1kHz
0000
01
0000
0
0
0
1 Reserved
0
0
1
0
48kHz
Reserved
48kHz
0001
0010
(Others)
10
0000
0
0
1
1
32kHz
1
0
0
0
88.2kHz
1
0
1
0
96kHz
1
1
0
0 176.4kHz
1
1
1
0
192kHz
32kHz
88.2kHz
96kHz
176.4kHz
192kHz
0011
11
(1000)
00
(1010)
00
(1100)
00
(1110)
00
0000
1010
0010
1011
0011
Note 1: গͳ͘ͱ΋±3%ͷൣғʹ͍ͭͯ͸্Tableͷ௨Γ൑ผ͞Ε·͢ɻதؒͷप೾਺ʹ͍ͭͯ͸ɺ͍ۙप೾
਺ଳͷͲͪΒ͔ͷ஋Λࣔ͠·͢ɻ32kHz∼192kHzͷൣғ͔Βେ͖͘͸ͣΕͨ৔߹ʹ͸FS3-0 bit =
“0001”ʹͳΓ·͢ɻ
Note 2: ຽੜϞʔυͰ͸Byte3 Bit3-0͸FS3-0 bitʹίϐʔ͞Ε·͢ɻ
Table 20. αϯϓϦϯάप೾਺৘ใ
·ͨɺϓϦΤϯϑΝγε৘ใΛΤϯίʔυͯ͠ίϯτϩʔϧϨδελͷPEM bitʹग़ྗ͠·͢ɻ͜ΕΒͷ৘ใ
͸Ϧηοτ࣌(CS12=0ͷ࣌)νϟωϧ1ͷ৘ใΛΤϯίʔυ͠·͕͢ɺίϯτϩʔϧϨδελͷCS12 bit = “1”Ͱ
νϟωϧ2ʹ੾Γସ͑Δ͜ͱ΋Ͱ͖·͢ɻ
PEM
Pre-emphasis
Byte 0
Bits 3-5
0
OFF
≠ 0X100
1
ON
0X100
Table 21. ຽੜϞʔυͷϓϦΤϯϑΝγε৘ใ
PEM
Pre-emphasis
Byte 0
Bits 2-4
0
OFF
≠110
1
ON
110
Table 22. ϓϩϞʔυͷϓϦΤϯϑΝγε৘ใ
MS0339-J-00
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2004/09