ST72321BXXX-AUTO View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST72321BXXX-AUTO

8-bit MCU for automotive with 32 to 60 Kbyte Flash/ROM, ADC, 5 timers, SPI, SCI, I2C interface

STMicroelectronics 

ST72321Bxxx-Auto

Figure 3. 44-pin LQFP package pinout

Package pinout and pin description

RDI / PE1

PWM3 / PB0

PWM2 / PB1

PWM1 / PB2

PWM0 / PB3

ARTCLK / (HS) PB4

AIN0 / PD0

AIN1 / PD1

AIN2 / PD2

AIN3 / PD3

AIN4 / PD4

44 43 42 41 40 39 38 37 36 35 34

1

33

2

32

3

ei2

4

ei0 31

30

5

29

6 ei3

28

7

27

8

26

9

25

10

ei1

24

11

23

12 13 14 15 16 17 18 19 20 21 22

VSS_1

VDD_1

PA3 (HS)

PC7 / SS / AIN15

PC6 / SCK / ICCCLK

PC5 / MOSI / AIN14

PC4 / MISO / ICCDATA

PC3 (HS) / ICAP1_B

PC2 (HS) / ICAP2_B

PC1 / OCMP1_B / AIN13

PC0 / OCMP2_B / AIN12

(HS) 20mA high sink capability

eix associated external interrupt vector

1. Pin 22 is not connected on 48 Kbyte and 64 Kbyte ROM devices

For external pin connection guidelines, refer to Chapter 19: Electrical characteristics.

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