ST72345C4 datasheet(22/247 Pages) STMICROELECTRONICS

22 / 247 page

Pin description

ST72344xx, ST2345xx

22/247

Doc ID 12321 Rev 6

PE1/RDI

I/O CT

ei0

Port E1

SCI receive data in

PB0

I/O CT

Xei2

Port B0

PB1 (3)

I/O CT

Xei2

Port B1

PB2 (3)

I/O CT

Xei2

Port B2

PB3

I/O CT

Xei2

Port B3

PB4 (HS)

I/O CT HS X

ei3

Port B4

PD0/AIN0

I/O CT

Port D0

ADC analog input 0

PD1/AIN1

I/O CT

Port D1

ADC analog input 1

10 PD2/AIN2

I/O CT

Port D2

ADC analog input 2

10 11 PD3/AIN3

I/O CT

Port D3

ADC analog input 3

11 12 PD4/AIN4

I/O CT

Port D4

ADC analog input 4

12 13 PD5/AIN5

I/O CT

Port D5

ADC analog input 5

In the interrupt input column, “eiX” defines the associated external interrupt vector. If the weak pull-up column (wpu) is

merged with the interrupt column (int), then the I/O configuration is pull-up interrupt input, else the configuration is floating

interrupt input.

It is mandatory to connect all available VDD and VDDA pins to the supply voltage and all VSS and VSSA pins to ground.

Pulled-up by hardware when not present on the package.

In the open drain output column, “T” defines a true open drain I/O (P-Buffer and protection diode to VDD are not

implemented).

Internal weak pull-down.

Table 3.

Device pin description (continued)

Pin n°

Pin name

Level

Port

Main

function

(after

reset)

Alternate function

Input (1)

Output

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