ST72321BXXX-AUTO datasheet(27/247 Pages) STMICROELECTRONICS

Part #	ST72321BXXX-AUTO

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

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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27 / 247 page

ST72321Bxxx-Auto

Package pinout and pin description

27/247

Figure 3.

44-pin LQFP package pinout

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.

44 43 42 41 40 39 38 37 36 35 34

33

32

31

30

29

28

27

26

25

24

23

12 13 14 15 16 17 18 19 20 21 22

1

2

3

4

5

6

7

8

9

10

11

ei2

ei3

ei0

ei1

PWM0 / PB3

ARTCLK / (HS) PB4

AIN0 / PD0

AIN1 / PD1

AIN2 / PD2

AIN3 / PD3

AIN4 / PD4

RDI / PE1

PWM3 / PB0

PWM2 / PB1

PWM1 / PB2

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

VSS_1

VDD_1

PA3 (HS)

PC7 / SS / AIN15

(HS) 20mA high sink capability

eix

associated external interrupt vector

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ST72321BXXX-AUTO Datasheet(PDF) 27 Page - STMicroelectronics

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