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Part Name
Description
MSM7557 View Datasheet(PDF) - Oki Electric Industry
Part Name
Description
Manufacturer
MSM7557
Single Chip MSK Modem with Compandor for Cordless Telephone
Oki Electric Industry
MSM7557 Datasheet PDF : 25 Pages
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¡ Semiconductor
PIN CONFIGURATION (TOP VIEW)
MSM7557
NC 1
ST 2
EMP 3
LIM 4
NC 5
VR1 6
VR2 7
VR3 8
NC 9
TVIO 10
CMPI 11
TVI 12
CC1 13
CC2 14
42 NC
41 BIT
40 FDE
39 BR
38 BYP
37 RCK2
36 RCK1
35 SEC
34 CSH
33 RAI
32 NC
31 RAIO
30 CE3P
29 NC
Notes: The pin 49 should be used for V
DD
.
The pin 21 should be connected to V
DD
or opened.
NC : No connect pin
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