UPD75108A datasheet(6/66 Pages) NEC

Part #	UPD75108A

Description	4-BIT SINGLE-CHIP MICROCOMPUTER

Download	66 Pages

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Manufacturer	NEC [NEC]

Direct Link	http://www.nec.com/

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6 / 66 page

µPD75104A, 75108A

6

1.

PIN CONFIGURATION (TOP VIEW)

• 64-Pin Plastic QFP (

14 mm)

P00-P03

: Port 0

SCK

: Serial Clock Input/Output

P10-P13

: Port 1

SO

: Serial Output

P20-P23

: Port 2

SI

: Serial Input

P30-P33

: Port 3

PTO0, PTO1

: Timer Output

P40-P43

: Port 4

PCL

: Clock Output

P50-P53

: Port 5

PTH00-PTH03

: Comparator Input

P60-P63

: Port 6

INT0, INT1, INT4

: External Vector Interrupt Input

P70-P73

: Port 7

INT2, INT3

: External Test Input

P80-P83

: Port 8

TI0, TI1

: Timer Input

P90-P93

: Port 9

X1, X2

: Oscillation Pin

P120-P123 : Port 12

RESET

: Reset Input

P130-P133 : Port 13

NC

: No Connection

P140-P143 : Port 14

VDD

: Positive Power Supply

VSS

: GND

VSS

17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49

VDD

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

48

47

46

45

44

43

42

41

40

39

38

37

36

35

34

33

P83

P82

P81

P80

P93

P92

P91

P90

P13/INT3

P12/INT2

P11/INT1

P10/INT0

PTH03

PTH02

PTH01

P41

P42

P43

P30

P31

P32

P33

NC

P140

P141

P142

P143

P130

P131

P132

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UPD75108A Datasheet(PDF) 6 Page - NEC

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