ST72101 Просмотр технического описания (PDF) - STMicroelectronics

Номер в каталоге

Компоненты Описание

Список матч

ST72101

8-BIT MCU WITH 4 TO 8K ROM/OTP/EPROM, 256 BYTES RAM, ADC, WDG, SPI AND 1 OR 2 TIMERS

STMicroelectronics 

ST72101/ST72212/ST72213

Table 2. ST72213 Pin Configuration

Pin n° Pin n°

SDIP32 SO28

Pin Name

Type

Description

Remarks

1

1 RESET

I/O Bidirectional. Active low. Top priority non maskable interrupt.

2

2 OSCIN

3

3 OSCOUT

I Input/Output Oscillator pin. These pins connect a parallel-resonant

O crystal, or an external source to the on-chip oscillator.

4

4 PB7/SS

I/O Port B7 or SPI Slave Select (active low)

External Interrupt: EI1

5

5 PB6/SCK

I/O Port B6 or SPI Serial Clock

External Interrupt: EI1

6

6 PB5/MISO

I/O Port B5 or SPI Master In/ Slave Out Data

External Interrupt: EI1

7

7 PB4/MOSI

I/O Port B4 or SPI Master Out / Slave In Data

External Interrupt: EI1

8

NC

Not Connected

9

NC

Not Connected

10

8 PB3/OCMP2_A

I/O Port B3 or TimerA Output Compare 2

External Interrupt: EI1

11

9 PB2/ICAP2_A

I/O Port B2 or TimerA Input Capture 2

External Interrupt: EI1

12

10 PB1/OCMP1_A

I/O Port B1 or TimerA Output Compare 1

External Interrupt: EI1

13

11 PB0/ICAP1_A

I/O Port B0 or TimerA Input Capture 1

External Interrupt: EI1

14

12

PC5/EXTCLK_A/AIN5

I/O

Port C5 or TimerA Input Clock or ADC Analog

Input 5

External Interrupt: EI1

15

13 PC4/AIN4

I/O Port C4 or ADC Analog Input 4

External Interrupt: EI1

16

14 PC3/AIN3

I/O Port C3 or ADC Analog Input 3

External Interrupt: EI1

Port C2 or Internal Clock Frequency Output or

17

15 PC2/CLKOUT/AIN2 I/O ADC Analog Input 2. Clockout is driven by Bit 5 External Interrupt: EI1

of the miscellaneous register.

18

16 PC1/AIN1

I/O Port C1 or ADC Analog Input 1

External Interrupt: EI1

19

17 PC0/AIN0

I/O Port C0 or ADC Analog Input 0

External Interrupt: EI1

20

18 PA7

I/O Port A7, High Sink

External Interrupt: EI0

21

19 PA6

I/O Port A6, High Sink

External Interrupt: EI0

22

20 PA5

I/O Port A5, High Sink

External Interrupt: EI0

23

21 PA4

I/O Port A4, High Sink

External Interrupt: EI0

24

NC

Not Connected

25

NC

Not Connected

26

22 PA3

I/O Port A3, High Sink

External Interrupt: EI0

27

23 PA2

I/O Port A2, High Sink

External Interrupt: EI0

28

24 PA1

I/O Port A1, High Sink

External Interrupt: EI0

29

25 PA0

30

26 TEST/VPP(1)

31

27 VSS

32

28 VDD

Note 1: VPP on EPROM/OTP only

I/O Port A0, High Sink

External Interrupt: EI0

I/S

Test mode pin (should be tied low in user mode). In the EPROM pro-

gramming mode, this pin acts as the programming voltage input VPP.

S Ground

S Main power supply

7/85

7

Share Link: