ST72FSCR1R4M1 datasheet(7/102 Pages) STMICROELECTRONICS

tên linh kiện	ST72FSCR1R4M1

Giải thích chi tiết về linh kiện	8-BIT LOW-POWER, FULL-SPEED USB MCU WITH 16K FLASH, 768 RAM, SMARTCARD I/F, TIMER

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ST7SCR

7/102

PIN DESCRIPTION (Cont’d)

Legend / Abbreviations:

Type: I = input, O = output, S = supply

In/Output level: CT = CMOS 0.3VDD/0.7VDD with

input trigger

Output level: HS = 10mA high sink (on N-buffer

only)

Port and control configuration:

– Input:float = floating, wpu = weak pull-up, int = in-

terrupt, ana = analog

– Output: OD = open drain, PP = push-pull

Refer to “I/O PORTS” on page 30 for more details

on the software configuration of the I/O ports.

Table 1. Pin Description

Pin n°

Pin Name

Level

Port / Control

Main

Function

(after reset)

Alternate Function

Input Output

1

5

CRDRST

O

CT X

X

Smartcard Reset

2

NC

Not Connected

3

6

CRDCLK

O

CT X

X

Smartcard Clock

4

NC

Not Connected

57

C4

O

CT X

X

Smartcard C4

6

8

CRDIO

I/O

CT

X

Smartcard I/O

79

C8

O

CT X

X

Smartcard C8

8

3

GND

S

Ground

9

PB0

O

CT

X

Port B0 1)

10

PB1

O

CT

X

Port B1 1)

11

PB2

O

CT

X

Port B2 1)

12

PB3

O

CT

X

Port B3 1)

13

PB4

O

CT

X

Port B4 1)

14

PB5

O

CT

X

Port B5 1)

15

PB6

O

CT

X

Port B6 1)

16

PB7

O

CT

X

Port B7 1)

17 10 CRDDET

I

CT

X

Smartcard Detection

18

VDD

S

Power Supply voltage 4V-5.5V

19 11

PA0/WAKUP2/

ICCDATA

I/O

CT

X

Port A0

Interrupt, In-Circuit Communication

Data Input

20 12

PA1/WAKUP2/

ICCCLK

I/O

CT

X

Port A1

Interrupt, In-Circuit Communication

Clock Input

21

PA2/WAKUP2

I/O

CT

X

Port A2 1)

Interrupt

22

PA3/WAKUP2

I/O

CT

X

Port A3 1)

Interrupt

23

PD0

O

CT

X

Port D0 1)

24

PD1

O

CT

X

Port D1 1)

25

PD2

O

CT

X

Port D2 1)

1

Số phần tương tự - ST72FSCR1R4M1

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Mô tả tương tự - ST72FSCR1R4M1

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