ST72321BKx datasheet(11/187 Pages) STMICROELECTRONICS

tên linh kiện	ST72321BKx

Giải thích chi tiết về linh kiện	32K to 60K dual voltage High Density Flash

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ST72321BRx, ST72321BARx ST72321BJx, ST72321BKx

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PIN DESCRIPTION (Cont’d)

For external pin connection guidelines, refer to See “ELECTRICAL CHARACTERISTICS” on page 138.

Legend / Abbreviations for Table 2 :

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

TT= TTL 0.8V / 2V with Schmitt 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 “I/O PORTS” on page 46 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 2. Device Pin Description

Pin n°

Pin Name

Level

Port

Main

function

(after

reset)

Alternate function

Input

Output

1

-

PE4 (HS)

I/O CT HS

X

XX

X

Port E4

2

-

PE5 (HS)

I/O CT HS

X

XX

X

Port E5

3

-

PE6 (HS)

I/O CT HS

X

XX

X

Port E6

4

-

PE7 (HS)

I/O CT HS

X

XX

X

Port E7

5

2

28

PB0/PWM3

I/O CT

X

ei2

X

Port B0

PWM Output 3

6

3

-

PB1/PWM2

I/O CT

X

ei2

X

Port B1

PWM Output 2

7

4

-

PB2/PWM1

I/O CT

X

ei2

X

Port B2

PWM Output 1

8

5

29

PB3/PWM0

I/O CT

X

ei2

X

Port B3

PWM Output 0

9

6

30

PB4 (HS)/ARTCLK

I/O CT HS

X

ei3

X

Port B4

PWM-ART External Clock

10

-

PB5 / ARTIC1

I/O CT

X

ei3

X

Port B5

PWM-ART Input Capture 1

11

-

PB6 / ARTIC2

I/O CT

X

ei3

X

Port B6

PWM-ART Input Capture 2

12

-

PB7

I/O CT

X

ei3

X

Port B7

13

7

31

PD0/AIN0

I/O CT

X

Port D0

ADC Analog Input 0

14

8

32

PD1/AIN1

I/O CT

X

Port D1

ADC Analog Input 1

15

9

-

PD2/AIN2

I/O CT

X

Port D2

ADC Analog Input 2

16

10

-

PD3/AIN3

I/O CT

X

Port D3

ADC Analog Input 3

17

11

-

PD4/AIN4

I/O CT

X

Port D4

ADC Analog Input 4

18

12

-

PD5/AIN5

I/O CT

X

Port D5

ADC Analog Input 5

19

-

PD6/AIN6

I/O CT

X

Port D6

ADC Analog Input 6

20

-

PD7/AIN7

I/O CT

X

Port D7

ADC Analog Input 7

21

13

1

VAREF

I

Analog Reference Voltage for ADC

22

14

2

VSSA

S

Analog Ground Voltage

Số phần tương tự - ST72321BKx

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	ST72321BAR7-AUTO	4Mb / 247P	8-bit MCU for automotive with 32 to 60 Kbyte Flash/ROM, ADC, 5 timers, SPI, SCI, I2C interface

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