ST72F321BAR6TCRE datasheet(28/247 Pages) STMICROELECTRONICS

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Package pinout and pin description

ST72321Bxxx-Auto

28/247

2.2

Pin description

In the device pin description table, the RESET configuration of each pin is shown in bold.

This configuration is valid as long as the device is in reset state.

Refer to Chapter 9: I/O ports on page 75 for more details on the software configuration of

the I/O ports.

Table 2.

Device pin description

Pin No.

Pin name

Level

Port

Main

function

(after

reset)

Alternate function

Input

Output

(1)(2)

PE4(HS)

I/O CT HS

Port E4

(1)(2)

PE5(HS)

I/O CT HS

Port E5

(1)(2)

PE6(HS)

I/O CT HS

Port E6

(1)(2)

PE7(HS)

I/O CT HS

Port E7

PB0/PWM3

I/O CT

ei2

Port B0

PWM Output 3

PB1/PWM2

I/O CT

ei2

Port B1

PWM Output 2

PB2/PWM1

I/O CT

ei2

Port B2

PWM Output 1

PB3/PWM0

I/O CT

ei2

Port B3

PWM Output 0

PB4(HS)/ARTCLK I/O CT HS

ei3

Port B4

PWM-ART External

Clock

(1)(2)

PB5 / ARTIC1

I/O CT

ei3

Port B5

PWM-ART Input

Capture 1

(1)(2)

PB6 / ARTIC2

I/O CT

ei3

Port B6

PWM-ART Input

Capture 2

(1)(2)

PB7

I/O CT

ei3

Port B7

PD0/AIN0

I/O CT

Port D0

ADC Analog Input 0

PD1/AIN1

I/O CT

Port D1

ADC Analog Input 1

PD2/AIN2

I/O CT

Port D2

ADC Analog Input 2

PD3/AIN3

I/O CT

Port D3

ADC Analog Input 3

PD4/AIN4

I/O CT

Port D4

ADC Analog Input 4

PD5/AIN5

I/O CT

Port D5

ADC Analog Input 5

(1)(2)

PD6/AIN6

I/O CT

Port D6

ADC Analog Input 6

(2)(1)

PD7/AIN7

I/O CT

Port D7

ADC Analog Input 7

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