UPD75306BGC datasheet(7/76 Pages) NEC

Part #	UPD75306BGC

Description	4-BIT SINGLE-CHIP MICROCOMPUTER

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Manufacturer	NEC [NEC]

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

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7 / 76 page

µPD75304B,75306B,75308B

7

P00 to 03

: Port 0

P10 to 13

: Port 1

P20 to 23

: Port 2

P30 to 33

: Port 3

P40 to 43

: Port 4

P50 to 53

: Port 5

P60 to 63

: Port 6

P70 to 73

: Port 7

BP0 to 7

: Bit Port

KR0 to 7

: Key Return

SCK

: Serial Clock

SI

: Serial Input

SO

: Serial Output

SB0,1

: Serial Bus 0, 1

RESET

: Reset Input

S27/BP3

S28/BP4

S29/BP5

S30/BP6

S31/BP7

S12

S13

S14

S15

S16

S17

S18

S19

S20

S21

S22

S23

S24/BP0

S25/BP1

S26/BP2

COM0

COM1

COM2

COM3

P23/BUZ

P22/PCL

P21

P20/PTO0

P13/TI0

P70/KR4

P63/KR3

P62/KR2

P61/KR1

P60/KR0

X2

X1

NC

XT2

XT1

VDD

P33

P32

P31/SYNC

P30/LCDCL

P12/INT2

P11/INT1

P10/INT0

P03/SI/SB1

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

64

63

62

61

60

59

58

57

56

55

54

53

52

51

50

49

48

47

46

45

44

43

42

41

80797877767574737271706968676665

25262728293031323334353637383940

S0 to 31

: Segment Output 0 to 31

COM0 to 3

: Common Output 0 to 3

VLC0-2

: LCD Power Supply 0 to 2

BIAS

: LCD Power Supply Bias Control

LCDCL

: LCD Clock

SYNC

: LCD Synchronization

TI0

: Timer Input 0

PTO0

: Programmable Timer Output 0

BUZ

: Buzzer Clock

PCL

: Programmable Clock

INT0, 1, 4

: External Vectored Interrupt 0, 1, 4

INT2

: External Test Input 2

X1, 2

: Main System Clock Oscillation 1, 2

XT1, 2

: Subsystem Clock Oscillation 1, 2

NC

: No Connection

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UPD75306BGC Datasheet(PDF) 7 Page - NEC

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