UPD17072GB 查看數據表（PDF） - NEC => Renesas Technology

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UPD17072GB

4-BIT SINGLE-CHIP MICROCONTROLLER WITH HARDWARE FOR DIGITAL TUNING SYSTEM

NEC => Renesas Technology 

µPD17072,17073

Pin No.

QFP TQFP

31

35

32

36

33

37

34

39

35

40

|

|

49

56

50

57

51

58

52

60

53

61

54

62

55

63

56

64

—

5

12

38

45

54

59

Symbol

COM0

COM1

COM2

COM3

LCD0

|

LCD14

CE

INT

BEEP

P0B0

P0B1

P0B2/SCK

P0B3/SI/SO1

NC

Function

Common signal outputs of LCD controller/driver.

Segment signal outputs of LCD controller/driver.

Device operation select and reset signal input.

External interrupt request signal input.

Interrupt request is issued at rising or falling edge

of signal input to this pin.

BEEP signal output pin.

BEEP output of 1.5 kHz or 3 kHz can be selected.

Port 0B and serial interface I/O.

• P0B3-P0B0

• 4-bit I/O port

• Can be set in input or output mode in 1-bit units.

• SCK

• Serial clock I/O

• SO1

• Serial data output

• SI

• Serial data input

No connection

Output format

CMOS ternary

output

CMOS push-pull

—

—

CMOS push-pull

CMOS push-pull

—

At power-ON

reset

Low-level output

Low-level output

Input

Input

Low-level output

Input

—

14

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