ST72E311J4D0S View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST72E311J4D0S

8-BIT MCU WITH 8 TO 16K OTP/EPROM, 384 TO 512 BYTES RAM, ADC, WDG, SCI, SPI AND 2 TIMERS

STMicroelectronics 

ST72E311 ST72T311

Pin n° Pin n°

QFP44 SDIP42

Pin Name

19

14 PF6/ICAP1_A

20

15 PF7/EXTCLK_A

21

VDD_0

22

VSS_0

23

16 PC0/OCMP2_B

24

17 PC1/OCMP1_B

25

18 PC2/ICAP2_B

26

19 PC3/ICAP1_B

27

20 PC4/MISO

28

21 PC5/MOSI

29

22 PC6/SCK

30

23 PC7/SS

31

24 PA3

32

25 VDD_1

33

26 VSS_1

34

27 PA4

35

28 PA5

36

29 PA6

37

30 PA7

38

31 TEST/VPP1)

39

32 RESET

40

33 VSS_2

41

34 OSCOUT

42

35 OSCIN

43

36 VDD_2

44

37 PE0/TDO

Note 1: VPP on EPROM/OTP only.

Type

Description

Remarks

I/O Port F6 or Timer A Input Capture 1

I/O Port F7 or External Clock on Timer A

S

Main power supply

S

Ground

I/O Port C0 or Timer B Output Compare 2

I/O Port C1 or Timer B Output Compare 1

I/O Port C2 or Timer B Input Capture 2

I/O Port C3 or Timer B Input Capture 1

I/O Port C4 or SPI Master In / Slave Out Data

I/O Port C5 or SPI Master Out / Slave In Data

I/O Port C6 or SPI Serial Clock

I/O Port C7 or SPI Slave Select

I/O Port A3

External Interrupt: EI0

S

Main power supply

S

Ground

I/O Port A4

High Sink

I/O Port A5

High Sink

I/O Port A6

High Sink

I/O Port A7

High Sink

S

Test mode pin. In the EPROM programming

mode, this pin acts as the programming

voltage input VPP.

This pin must be tied

low in user mode

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

S

Ground

O

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

I

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

S

Main power supply

I/O Port E0 or SCI Transmit Data Out

8/101

8

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