ST72389BW View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST72389BW

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

STMicroelectronics 

ST72589BW, ST72389BW

PIN DESCRIPTION (Cont’d)

Legend / Abbreviations:

Type:

I = input, O = output, S = supply, CK = Clock

Output level:

Input level:

LCD = VLCD, VLCD3/4, VLCD1/2, VLCD1/4, or GLCD level.

C = CMOS 0.3VDD/0.7VDD

Port configuration capabilities:

– Input:

float = floating, wpu = weak pull-up, int = interrupt, ana = analog

– Output: OD = open drain, T = true open drain, PP = push-pull

Note: Reset configuration of each pin is bold.

Table 1. Device Pin Description

Pin n°

Pin Name

Level

Port

Main func

Input

Output tion

(after

reset)

Alternate function

1 ... 16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

S45 ... S60

GLCD

VLCD1/4

VLCD1/2

VLCD3/4

VLCD

VDDA

AIN0

AIN1

AIN2

AIN3

AIN4

VSSA

PWM0 or NC

PWM1or NC

PWM2 or NC

PWM3 or NC

RESET

34

VPP

35

VDD_1

36

OSC1

37

OSC2

38

VSS_1

39

PA0

40

PA1

41

PA2

42

PA3

O

LCD

S

S

S

S

S

S

I

I

I

I

I

S

O

O

O

O

I/O

I

S

CK

CK

S

I/O C

X

I/O C

X

I/O C

X

I/O C

X

LCD Segment Analog Outputs

LCD Ground Reference Voltage

LCD Supply Reference Voltage

Analog Power Supply Voltage

X

ADC Analog Input 0

X

ADC Analog Input 1

X

ADC Analog Input 2

X

ADC Analog Input 3

X

ADC Analog Input 4

Analog Ground Voltage

Pulse Width Modulator output 0

Pulse Width Modulator output 1

Pulse Width Modulator output 2

Pulse Width Modulator output 3

Top priority non maskable interrupt.

Must be tied low in user mode. In the pro-

gramming mode when available, this pin

acts as the programming voltage input

VPP.

Digital Main Supply Voltage

These pins connect a parallel-resonant

crystal or an external source to the on-chip

main oscillator.

Digital Ground Voltage

X X Port A0

X X Port A1

EI1

X X Port A2

X X Port A3

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