ST72334J2TASLASHXXX datasheet(11/150 Pages) STMICROELECTRONICS

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PIN DESCRIPTION (Cont’d)

For external pin connection guidelines, refer to Section 15 "ELECTRICAL CHARACTERISTICS" on page

108.

Legend / Abbreviations for Table 1:

Type:

I = input, O = output, S = supply

Input level:

A = Dedicated analog input

In/Output level: C = CMOS 0.3VDD/0.7VDD,

CT= CMOS 0.3VDD/0.7VDD with input trigger

Output level:

HS = 20mA high sink (on N-buffer only)

Port and control configuration:

– Input:

float = floating, wpu = weak pull-up, int = interrupt 1), ana = analog

– Output:

OD = open drain 2), PP = push-pull

Refer to Section 11 "I/O PORTS" on page 40 for more details on the software configuration of the I/O

ports.

The RESET configuration of each pin is shown in bold. This configuration is valid as long as the device is

in reset state.

Table 1. Device Pin Description

No.

Pin Name

Level

Port

Main

function

(after

reset)

Alternate function

Input

Output

PE4 (HS)

I/O CT HS X

Port E4

PE5 (HS)

I/O CT HS X

Port E5

PE6 (HS)

I/O CT HS X

Port E6

PE7 (HS)

I/O CT HS X

Port E7

PB0

I/O

ei2

Port B0

PB1

I/O

ei2

Port B1

PB2

I/O

ei2

Port B2

PB3

I/O

ei2

Port B3

PB4

I/O

ei3

Port B4

10 -

PB5

I/O

ei3

Port B5

11 -

PB6

I/O

ei3

Port B6

12 -

PB7

I/O

ei3

Port B7

13 7

PD0/AIN0

I/O

Port D0

ADC Analog Input 0

14 8

PD1/AIN1

I/O

Port D1

ADC Analog Input 1

15 9

PD2/AIN2

I/O

Port D2

ADC Analog Input 2

16 10 PD3/AIN3

I/O

Port D3

ADC Analog Input 3

17 11 PD4/AIN4

I/O

Port D4

ADC Analog Input 4

18 12 PD5/AIN5

I/O

Port D5

ADC Analog Input 5

19 -

PD6/AIN6

I/O

Port D6

ADC Analog Input 6

20 -

PD7/AIN7

I/O

Port D7

ADC Analog Input 7

21 13 VDDA

Analog Power Supply Voltage

22 14 VSSA

Analog Ground Voltage

23 -

VDD_3

Digital Main Supply Voltage

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