ST72321R7-Auto datasheet(22/243 Pages) STMICROELECTRONICS

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Package pinout and pin description

ST72321xx-Auto

22/243

Doc ID 13829 Rev 1

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 Section 9: I/O ports on page 70 for more details on the software configuration of the

I/O ports.

Table 3.

Device pin description

Pin No.

Pin name

Level

Port

Main

function

(after

reset)

Alternate function

Input

Output

PE4(HS)

I/O CT HS

Port E4

PE5(HS)

I/O CT HS

Port E5

PE6(HS)

I/O CT HS

Port E6

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

PB5 / ARTIC1

I/O CT

ei3

Port B5

PWM-ART Input

Capture 1

PB6 / ARTIC2

I/O CT

ei3

Port B6

PWM-ART Input

Capture 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

PD6/AIN6

I/O CT

Port D6

ADC Analog Input 6

PD7/AIN7

I/O CT

Port D7

ADC Analog Input 7

VAREF

(1)

Analog Reference Voltage for ADC

VSSA

(1)

Analog Ground Voltage

VDD_3

(1)

Digital Main Supply Voltage

VSS_3

(1)

Digital Ground Voltage

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