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MB89F051

8-bit Proprietary Microcontrollers CMOS F2MC-8L MB89051 Series

3M 

MB89051 Series

(Continued)

Pin No.

Pin name

Circuit

type

Function

56

D2VP

USBDRV USB down port 2 + pin

57

D2VM USBDRV USB down port 2 − pin

58

D3VP

USBDRV USB down port 3 + pin

59

D3VM USBDRV USB down port 3 − pin

60

D4VP

USBDRV USB down port 4 + pin

61

D4VM USBDRV USB down port 4 − pin

62

P31/INT1

B

General-purpose CMOS I/O pin

External interrupt input (Hysteresis input (level detection) )

General-purpose CMOS I/O pin

63 P32/INT2/SI1

E

External interrupt input (Hysteresis input (level detection) )

SIO1 serial data input

64

P33/INT3/

SO1

General-purpose CMOS I/O pin

B External interrupt input (Hysteresis input (level detection) )

SIO1 serial data output

9

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