MSM7581 Datasheet, PDF (2/18 Pages) OKI electronic componets – ITU-T G.721 4ch ADPCM TRANSCODER

¡ Semiconductor
BLOCK DIAGRAM
PAD11
PAD10
SYXP1
BCKP1
SIP1
SOP1
SYRP1
RES1
V_DD
+2.7 V to 5.5 V
GND LAW
0V
PLCKEN
CODER
S→P
DECODER
S←P
PAD/
MUTE
PLL
MCK
CODER
DECODER
"0000"
DETECT
CODER
P→S
DECODER
P←S
PAD21
PAD20
SYXP2
BCKP2
SIP2
SOP2
SYRP2
RES2
CODER
S→P
DECODER
S←P
PAD/
MUTE
PLL
MCK
CODER
DECODER
"0000"
DETECT
CODER
P→S
DECODER
P←S
PAD31
PAD30
SYXP3
BCKP3
SIP3
SOP3
SYRP3
RES3
CODER
S→P
DECODER
S←P
PAD/
MUTE
PLL
MCK
CODER
DECODER
"0000"
DETECT
CODER
P→S
DECODER
P←S
PAD41
PAD40
SYXP4
BCKP4
SIP4
SOP4
SYRP4
RES4
CODER
S→P
DECODER
S←P
PAD/
MUTE
PLL
MCK
CODER
DECODER
"0000"
DETECT
CODER
P→S
DECODER
P←S
MSM7581
THR1
PLCK1
SYXA1
BCKA1
SOA1
SIA1
DET1
SYRA1
PDN1
THR2
PLCK2
SYXA2
BCKA2
SOA2
SIA2
DET2
SYRA2
PDN2
THR3
PLCK3
SYXA3
BCKA3
SOA3
SIA3
DET3
SYRA3
PDN3
THR4
PLCK4
SYXA4
BCKA4
SOA4
SIA4
DET4
SYRA4
PDN4
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