msm7557 Oki Semiconductor, msm7557 Datasheet - Page 3

• Manufacturer Part Number: msm7557
• Description: Single Chip Msk Modem With Compandor For Cordless Telephone
• Manufacturer: Oki Semiconductor

¡ Semiconductor
PIN CONFIGURATION (TOP VIEW)
CMPI 11
TVIO 10
EMP
VR1
VR2
VR3
CC1 13
CC2 14
LIM
TVI 12
NC
NC
NC
ST
Notes: The pin 49 should be used for V
1
2
3
4
5
6
7
8
9
The pin 21 should be connected to V
NC : No connect pin
DD
.
DD
or opened.
42
41
40
39
38
37
36
35
34
33
32
31
30
29
NC
BIT
FDE
BR
BYP
RCK2
RCK1
SEC
CSH
RAI
NC
RAIO
CE3P
NC
MSM7557
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