ST72325AR7-Auto datasheet(27/243 Pages) STMICROELECTRONICS

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ST72325xxx-Auto

Package pinout and pin description

Doc ID 13770 Rev 3

27/243

Table 4.

Device pin descriptions (LQFP32)

Level

Port

Main

function

(after reset)

Alternate function

Input

Output

No.

Name

1VAREF

(1)

Analog Reference Voltage for ADC

2VSSA

(1)

Analog Ground Voltage

PF0/MCO/AIN8

I/O CT

ei1

Port F0

Main clock

out (fOSC/2)

ADC Analog

Input 8

PF1 (HS)/BEEP

I/O CT HS

ei1

Port F1

Beep signal output

PF4/OCMP1_A/AIN10

I/O CT

Port F4

Timer A

Output

Compare 1

ADC Analog

Input 10

PF6 (HS)/ICAP1_A

I/O CT HS

Port F6

Timer A Input Capture 1

PF7 (HS)/EXTCLK_A

I/O CT HS

Port F7

Timer A External Clock

Source

PC0/OCMP2_B/AIN12 I/O CT

Port C0

Timer B

Output

Compare 2

ADC Analog

Input 12

PC1/OCMP1_B/AIN13 I/O CT

Port C1

Timer B

Output

Compare 1

ADC Analog

Input 13

PC2 (HS)/ICAP2_B

I/O CT HS

Port C2

Timer B Input Capture 2

PC3 (HS)/ICAP1_B

I/O CT HS

Port C3

Timer B Input Capture 1

PC4/MISO/ICCDATA

I/O CT

Port C4

SPI Master

In / Slave

Out Data

ICC Data

Input

PC5/MOSI/AIN14

I/O CT

Port C5

SPI Master

Out / Slave

In Data

ADC Analog

Input 14

PC6/SCK/ICCCLK

I/O CT

Port C6

SPI Serial

Clock

ICC Clock

Output

PC7/SS/AIN15

I/O CT

Port C7

SPI Slave

Select

(active low)

ADC Analog

Input 15

PA3 (HS)

I/O CT HS

Port A3

PA4 (HS)

I/O CT HS

Port A4

PA6 (HS)/SDAI

I/O CT HS

Port A6

I2C Data

PA7 (HS)/SCLI

I/O CT HS

Port A7

I2C Clock

VPP/ ICCSEL

Must be tied low. In Flash programming

mode, this pin acts as the programming

voltage input VPP. See Section 19.9.2:

ICCSEL/VPP pinfor more details.

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