ST7262 datasheet(8/132 Pages) STMICROELECTRONICS

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ST7262

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PIN DESCRIPTION (Cont’d)

Legend / Abbreviations:

Type:

I = Input, O = Output, S = Supply

Input level:

A = Dedicated analog input

Input level:

C = CMOS 0.3VDD/0.7VDD,

CT= CMOS 0.3VDD/0.7VDD with input trigger

Output level:

HS = High Sink (on N-buffer only)

Port configuration capabilities:

– Input:float = floating, wpu = weak pull-up, int = interrupt (\ =falling edge, / =rising edge),

ana = analog

– Output: OD = open drain, T = true open drain (N buffer 8mA@0.4 V), PP = push-pull

Table 1. Device Pin Description

Pin n°

Pin Name

Level

Port / Control

Main

Function

(after

reset)

Alternate Function

Input

Output

29 28

14 VPP

FLASH programming voltage

(12V), must be tied low in user

mode.

PD1

I/O CT

Port D1

PD0

I/O CT

Port D0

PC7

I/O CT

Port C7

10 32 30

PC6/MOSI

I/O CT

Port C6

SPI Master Out /

Slave In 1)

11 33 31

PC5/MISO/IT12

I/O CT

Port C5

SPI Master In /

Slave Out 1) /

Interrupt 12 input

12 34 32

PC4/SS/IT11

I/O CT

Port C4

SPI Slave Select

(active low) 1)/

Interrupt 11 input

13 1

PC3/SCK/IT10

I/O CT

Port C3

SPI Serial Clock 1)/

Interrupt 10 input

PC2/IT9

I/O CT

Port C2

Interrupt 9 input

10 15

11 16 OSCIN

These pins are used connect an

external clock source to the on-

chip main oscillator.

11 16

12 17 OSCOUT

12 17

5549

VSS

Digital Ground Voltage

13 18

13 VDD

Digital Main Power Supply Volt-

age

14 19

PC1

I/O CT

Port C1

15 20

PC0

I/O CT

Port C0

16 21

13 18

PB7/PWM1/IT8/

RX_SEZ/DA-

TAOUT/DA9

I/O CT HS x

Port B7

ART PWM output 1/

Interrupt 8 input

N.C.

Not Connected

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