ST72324J2B5 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST72324J2B5

8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, 4 TIMERS, SPI, SCI INTERFACE

STMicroelectronics 

ST72324

Pin n°

Pin Name

Level

Port

Input

Output

Main

function

(after

reset)

Alternate Function

24 17

9

12

PC1/OCMP1_B/

AIN13

I/O CT

XX

X

X

X

Port C1

Timer B Out-

put Com-

pare 1

ADC Analog

Input 13

25 18 10 13 PC2 (HS)/ICAP2_B I/O CT HS X X

26 19 11 14 PC3 (HS)/ICAP1_B I/O CT HS X X

27

20

12

15

PC4/MISO/ICCDA-

TA

I/O CT

XX

X X Port C2 Timer B Input Capture 2

X X Port C3 Timer B Input Capture 1

X

SPI Master

X Port C4 In / Slave

Out Data

ICC Data In-

put

28 21 13 16 PC5/MOSI/AIN14 I/O CT

XX

X

X

SPI Master

X Port C5 Out / Slave

In Data

ADC Analog

Input 14

29 22 14 17 PC6/SCK/ICCCLK I/O CT

XX

X

X

Port C6

SPI Serial

Clock

ICC Clock

Output

30 23 15 18 PC7/SS/AIN15

I/O CT

XX

X

X

SPI Slave

X Port C7 Select (ac-

tive low)

ADC Analog

Input 15

31 24 16 19 PA3 (HS)

32 25

VDD_1

33 26

VSS_1

34 27 17 20 PA4 (HS)

35 28

PA5 (HS)

36 29 18 21 PA6 (HS)

37 30 19 22 PA7 (HS)

38 31 20 23 VPP /ICCSEL

I/O CT HS X

ei0

S

S

I/O CT HS X X

I/O CT HS X X

I/O CT HS X

I/O CT HS X

I

X X Port A3

Digital Main Supply Voltage

Digital Ground Voltage

X X Port A4

X X Port A5

T

Port A6 1)

T

Port A7 1)

Must be tied low. In the flash pro-

gramming mode, this pin acts as the

programming voltage input VPP. See

Section 12.9.2 for more details. High

voltage must not be applied to ROM

devices.

39 32 21 24 RESET

40 33 22 25 VSS_2

41 34 23 26 OSC2

I/O CT

S

O

Top priority non maskable interrupt.

Digital Ground Voltage

Resonator oscillator inverter output

42 35 24 27 OSC1

I

External clock input or Resonator os-

cillator inverter input

43 36 25 28 VDD_2

44 37 26 29 PE0/TDO

1 38 27 30 PE1/RDI

2 39 28 31 PB0

3 40

PB1

4 41

PB2

5 42 29 32 PB3

S

I/O CT

I/O CT

I/O CT

I/O CT

I/O CT

I/O CT

XX

XX

X ei2

X ei2

X ei2

X

ei2

Digital Main Supply Voltage

X X Port E0 SCI Transmit Data Out

X X Port E1 SCI Receive Data In

X X Port B0

X X Port B1

X X Port B2

X X Port B3

Notes:

1. In the interrupt input column, “eiX” defines the associated external interrupt vector. If the weak pull-up

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