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UPD754202 Datasheet(PDF) 6 Page - NEC

Part # UPD754202
Description  4-BIT SINGLE-CHIP MICROCONTROLLERS
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD754202 Datasheet(HTML) 6 Page - NEC

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6
µPD754202, 754202(A)
1. PIN CONFIGURATION (Top View)
• 20-pin plastic SOP (300 mil, 1.27-mm pitch)
µPD754202GS-×××-BA5
µPD754202GS(A)-×××-BA5
• 20-pin plastic shrink SOP (300 mil, 0.65-mm pitch)
µPD754202GS-×××-GJG
µPD754202GS(A)-×××-GJG
IC: Internally Connected (Connect directly to VDD)
Pin Identification
IC
:
Internally Connected
INT0
:
External Vectored Interrupt
KR4 to KR7
:
Key Return 4 to 7
KRREN
:
Key Return Reset Enable
P30 to P33
:
Port 3
P60 to P63
:
Port 6
P70 to P73
:
Port 7
P80
:
Port 8
PTO0 to PTO2 :
Programmable Timer Output 0 to 2
RESET
:
Reset
VDD
:
Positive Power Supply
VSS
:
Ground
X1, X2
:
System Clock (Ceramic/Crystal)
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
RESET
X1
X2
VSS
IC
VDD
P60
P61/INT0
P62
P63
KRREN
P80
P30/PTO0
P31/PTO1
P32/PTO2
P33
P70/KR4
P71/KR5
P72/KR6
P73/KR7


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