三合微科股�½有限公司
S
AM
H
OP
Microelectronics Corp.
SM5032C/D
DECODER
BLOCK DIAGRAM
V
DD
Vss
DI
Schmitt-Trigger
Serial To Parallel
Data Decode
6 Bits
C1
Decoder
C2
OSC
Timing Generator
8 Bits
OPTION
Output Driver
CP1 CP2 CP3 CP4 CP5 CP6 CP7 CP8
TP1 TP2
PIN DESCRIPTION
Pin Name
Vss
DI
CP1 ~ CP6
O
CP7,CP8(TP2/TP1)
C1,C2
OSC
V
DD
I
I
POWER
I/O
POWER
I
Function
Negative power supply
Signal Input
Multi-key control outputs
Single-dey control outputs
(Toggle function option)
Custom code
38KHz OSC pin
Positive power supply
Page 2
V.1.0 May 28,2002