msm7502 Oki Semiconductor, msm7502 Datasheet - Page 2

• Manufacturer Part Number: msm7502
• Description: Multi-function Pcm Codec Msm7502multi-function Pcm Codec
• Manufacturer: Oki Semiconductor

¡ Semiconductor
BLOCK DIAGRAM
RMO0
RMO1
TPAI
RPO
CAO
RMI
SPO
SA0
SA1
R1I
R2I
SPI
0 dB
20 dB
SW 10
+
SW 9
TPAO
–
–
VOL 6
VOL 10
0 dB
–
–
VOL 13
TPBI
VOL 9
VA
MPAI
VOL 8
–6.8 dB
–8.7 dB
VOL 11
VOL 12
–22 dB
–3 dB
VOL 1
VOL 2
VOL 7
VOL 5
VD
+
0 dB
0 dB
–
SW 5
MPAO
–
AG
SW 17
SW 14
SW 13
SW 18
SW 21
SW 15
SW 11
SW 20
SW 6
SW 8
SW 3
SW 4
DG
MPBI
+
SW 5
–
MPBO
SW 19
SGT
MLDYI
SG GEN.
SGC
SW 16
SW 1
SW 2
SW 7
PB GEN.
R-TONE GEN.
F-TONE GEN.
S-TONE GEN.
WAMBLE TONE
SCANNING OUTPUT
400
425
440
450
400*16
400*20
5.7 dB
VLCD GEN.
VOL 3
VOL 4
1 kHz
PO0 to PO7
0 dB
1000 Hz
PLL
800 Hz
400 Hz
Latch
–
KEY INTF
TO
AOUT
CODEC
SCANNING INPUT
m/A
AIN
CAI
PI0 to PI7
SW 12
MSM7502
PCMOUT
PCMIN
BCLOCK
XSYNC
RSYNC
WRN
RDN
CEN
RESETN
D0 to D7
AD0
AD1
INTT
TIMEN
LA
LB
LML
VLCD
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