UPD75304BGC View Datasheet(PDF) - NEC => Renesas Technology

Part Name

Description

Manufacturer

UPD75304BGC

4-BIT SINGLE-CHIP MICROCOMPUTER

NEC => Renesas Technology 

µPD75304B,75306B,75308B

S12

S13

S14

S15

S16

S17

S18

S19

S20

S21

S22

S23

S24/BP0

S25/BP1

S26/BP2

S27/BP3

S28/BP4

S29/BP5

S30/BP6

S31/BP7

COM0

COM1

COM2

COM3

80797877767574737271706968676665

1

64

2

63

3

62

4

61

5

60

6

59

7

58

8

57

9

56

10

55

11

54

12

53

13

52

14

51

15

50

16

49

17

48

18

47

19

46

20

45

21

44

22

43

23

42

24

41

25262728293031323334353637383940

P70/KR4

P63/KR3

P62/KR2

P61/KR1

P60/KR0

X2

X1

NC

XT2

XT1

VDD

P33

P32

P31/SYNC

P30/LCDCL

P23/BUZ

P22/PCL

P21

P20/PTO0

P13/TI0

P12/INT2

P11/INT1

P10/INT0

P03/SI/SB1

P00 to 03

P10 to 13

P20 to 23

P30 to 33

P40 to 43

P50 to 53

P60 to 63

P70 to 73

BP0 to 7

KR0 to 7

SCK

SI

SO

SB0,1

RESET

: Port 0

: Port 1

: Port 2

: Port 3

: Port 4

: Port 5

: Port 6

: Port 7

: Bit Port

: Key Return

: Serial Clock

: Serial Input

: Serial Output

: Serial Bus 0, 1

: Reset Input

S0 to 31

COM0 to 3

VLC0-2

BIAS

LCDCL

SYNC

TI0

PTO0

BUZ

PCL

INT0, 1, 4

INT2

X1, 2

XT1, 2

NC

: Segment Output 0 to 31

: Common Output 0 to 3

: LCD Power Supply 0 to 2

: LCD Power Supply Bias Control

: LCD Clock

: LCD Synchronization

: Timer Input 0

: Programmable Timer Output 0

: Buzzer Clock

: Programmable Clock

: External Vectored Interrupt 0, 1, 4

: External Test Input 2

: Main System Clock Oscillation 1, 2

: Subsystem Clock Oscillation 1, 2

: No Connection

7

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