ST72389BW View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

ST72389BW

8-BIT MCU WITH NESTED INTERRUPTS, DOT MATRIX LCD, ADC, TIMERS, PWM-BRM, SPI, SCI, I²C, CAN INTERFACES

STMicroelectronics 

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ST72589BW, ST72389BW

Pin n°

Pin Name

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75

76

77 to 84

85 to 128

PA4

PA5

PA6

PA7

NMI

PB0/OCMP1_B

PB1/OCMP2_B

PB2/ICAP1_B

PB3/ICAP2_B

PB4

PB5/CANTX

PB6/CANRX

VDD_2

VSS_2

PC0/TDO

PC1/RDI

PC2/ICAP1_A

PC3/ICAP2_A

PC4/OCMP1_A

PC5/OCMP2_A

PC6/EXTCLK_A

PC7/MCO/BEEP

PD0/MISO

PD1/MOSI

PD2/SCK

PD3/SS

PD4/SCLI

PD5/SDAI

PD6

PD7/ACO

VSS_3

A_OSC1

A_OSC2

VDD_3

COM1 to COM8

S1 to S44

Level

Port

Main func

Input

Output tion

(after

reset)

Alternate function

I/O C

X

X X Port A4

I/O C

I/O C

X

X X Port A5

EI2

X

X X Port A6

I/O C

X

X X Port A7

I

No maskable interrupt input pin (floating)

I/O C

X

X X Port B0 Timer B Output Compare 1

I/O C

X

X X Port B1 Timer B Output Compare 2

I/O C

X

X X Port B2 Timer B Input Capture 1

I/O C

X EI3 X X Port B3 Timer B Input Capture 2

I/O C

X

X X Port B4

I/O C

X

X X Port B5 CAN Transmit Data Output

I/O C

X

X X Port B6 CAN Receive Data Input

S

Digital Main Supply Voltage

S

Digital Ground Voltage

I/O C

X

X X Port C0 SCI Transmit Data Out

I/O C

X

X X Port C1 SCI Receive Data In

I/O C

X

X X Port B2 Timer A Input Capture 1

I/O C

I/O C

X

X X Port B3 Timer A Input Capture 2

EI4

X

X X Port B0 Timer A Output Compare 1

I/O C

X

X X Port B1 Timer A Output Compare 2

I/O C

X

X X Port C6 Timer A External Clock

I/O C

X

X X Port C7 Main clock-out Beep signal

I/O C

X

X X Port D0 SPI Master In / Slave Out Data

I/O C

I/O C

X

X X Port D1 SPI Master Out / Slave In Data

EI5

X

X X Port D2 SPI Serial Clock

I/O C

X

X X Port D3 SPI Slave Select (active low)

I/O C

X

X Port D4 I2C Clock

I/O C

X

X Port D5 I2C Data

I/O C

I/O C

X

X X Port D6

EI5

X

X X Port D7 Auxiliary clock-out

S

Digital Ground Voltage

These pins connect a parallel-resonant

crystal or an external source to the on-chip

32KHz auxiliary oscillator.

S

Digital Main Supply Voltage

O C LCD

LCD Common (backplane) analog output

O

LCD

LCD Segment Analog Outputs

7/161

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