ST72325_07 datasheet(14/196 Pages) STMICROELECTRONICS

Part #	ST72325

Description	8-bit MCU with 16 to 60K Flash/ROM, ADC, CSS, 5 timers, SPI, SCI, I2C interface

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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42

32

30

23

PC7/SS/AIN15 I/O CT

X

XX

X

Port C7

SPI Slave

Select (ac-

tive low)

ADC Ana-

log

Input 15

43

-4)

--

-

PA0

I/O CT

X

ei0

X

Port A0

44

-4)

--

-

PA1

I/O CT

X

ei0

X

Port A1

45

33

--

-

PA2

I/O CT

X

ei0

X

Port A2

46

34

31

24

PA3 (HS)

I/O CT HS

X

ei0

X

Port A3

47

35

32

25

VDD_1

6)

S

Digital Main Supply Voltage

48

36

33

26

VSS_1

6)

S

Digital Ground Voltage

49

37

34

27

PA4 (HS)

I/O CT HS

X

XX

X

Port A4

50

38

35

28

PA5 (HS)

I/O CT HS

X

XX

X

Port A5

51

39

36

29

PA6 (HS)/SDAI I/O CT HS

X

TPort A6

I2C Data 1)

52

40

37

30

PA7 (HS)/SCLI I/O CT HS

X

TPort A7

I2C Clock 1)

53

41

38

31

VPP/ ICCSEL

I

Must be tied low. In flash program-

ming mode, this pin acts as the

programming voltage input VPP.

See Section 12.9.2 for more de-

tails. High voltage must not be ap-

plied to ROM devices

54

42

39

32

RESET

I/O CT

Top priority non maskable inter-

rupt.

55

-

EVD

External voltage detector

56

--

TLI

I

CT

X

Top level interrupt input pin

57

43

40

33

VSS_2

6)

S

Digital Ground Voltage

58

44

41

34

OSC23)

I/O

Resonator oscillator inverter out-

put

59

45

42

35

OSC13)

I

External clock input or Resonator

oscillator inverter input

60

46

43

36

VDD_2

6)

S

Digital Main Supply Voltage

61

47

44

37

PE0/TDO

I/O CT

X

Port E0

SCI Transmit Data Out

62

48

1

38

PE1/RDI

I/O CT

X

Port E1

SCI Receive Data In

63

1

--

-

PE2

I/O CT

X

XX4) X4) Port E2

64

-4)

--

-

PE3

I/O CT

X

XX

X

Port E3

Pin n°

Pin Name

Level

Port

Main

function

(after

reset)

Alternate function

Input

Output

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ST72325 Datasheet(PDF) 14 Page - STMicroelectronics

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