ST72334J2TASLASHXXX datasheet(12/150 Pages) STMICROELECTRONICS

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24 -

VSS_3

Digital Ground Voltage

25 15 PF0/MCO

I/O

ei1

Port F0

Main clock output (fOSC/2)

26 16 PF1/BEEP

I/O

ei1

Port F1

Beep signal output

27 17 PF2

I/O

ei1

Port F2

28 -

Not Connected

29 18 PF4/OCMP1_A

I/O

Port F4

Timer A Output Compare 1

30 -

Not Connected

31 19 PF6 (HS)/ICAP1_A

I/O CT HS X

Port F6

Timer A Input Capture 1

32 20 PF7 (HS)/EXTCLK_A

I/O CT HS X

Port F7

Timer A External Clock Source

33 21 VDD_0

Digital Main Supply Voltage

34 22 VSS_0

Digital Ground Voltage

35 23 PC0/OCMP2_B

I/O

Port C0

Timer B Output Compare 2

36 24 PC1/OCMP1_B

I/O

Port C1

Timer B Output Compare 1

37 25 PC2 (HS)/ICAP2_B

I/O CT HS X

Port C2

Timer B Input Capture 2

38 26 PC3 (HS)/ICAP1_B

I/O CT HS X

Port C3

Timer B Input Capture 1

39 27 PC4/MISO

I/O

Port C4

SPI Master In / Slave Out Data

40 28 PC5/MOSI

I/O

Port C5

SPI Master Out / Slave In Data

41 29 PC6/SCK

I/O

Port C6

SPI Serial Clock

42 30 PC7/SS

I/O

Port C7

SPI Slave Select (active low)

43 -

PA0

I/O

ei0

Port A0

44 -

PA1

I/O

ei0

Port A1

45 -

PA2

I/O

ei0

Port A2

46 31 PA3

I/O

ei0

Port A3

47 32 VDD_1

Digital Main Supply Voltage

48 33 VSS_1

Digital Ground Voltage

49 34 PA4 (HS)

I/O CT HS X

Port A4

50 35 PA5 (HS)

I/O CT HS X

Port A5

51 36 PA6 (HS)

I/O CT HS X

Port A6

52 37 PA7 (HS)

I/O CT HS X

Port A7

53 38 ISPSEL

Must be tied low in user mode. In programming

mode when available, this pin acts as In-Situ

Programming mode selection.

54 39 RESET

I/O

Top priority non maskable interrupt (active low)

55 -

Not Connected

56 -

57 40 VSS_3

Digital Ground Voltage

58 41 OSC2 3)

Resonator oscillator inverter output or capaci-

tor input for RC oscillator

59 42 OSC1 3)

External clock input or Resonator oscillator in-

verter input or resistor input for RC oscillator

60 43 VDD_3

Digital Main Supply Voltage

No.

Pin Name

Level

Port

Main

function

(after

reset)

Alternate function

Input

Output

ST72334J2TA/XXX Datasheet(PDF) 12 Page - STMicroelectronics

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