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ST72F321M9T6 Datasheet(PDF) 11 Page - STMicroelectronics |
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ST72F321M9T6 Datasheet(HTML) 11 Page - STMicroelectronics |
11 / 175 page ST72321M6 ST72321M9 11/175 Notes: 1. In the interrupt input column, “eiX” defines the associated external interrupt vector. If the weak pull-up column (wpu) is merged with the interrupt column (int), then the I/O configuration is pull-up interrupt input, else the configuration is floating interrupt input. 2. It is mandatory to connect all available VDD and VREF pins to the supply voltage and all VSS and VSSA 53 PC6/SCK/ICCCLK I/O CT X XX X Port C6 SPI Serial Clock ICC Clock Output Caution: Negative current injection not allowed on this pin 54 PC7/SS/AIN15 I/O CT X XX X X Port C7 SPI Slave Select (active low) ADC Analog Input 15 55 PA0 I/O CT X ei0 X X Port A0 56 PA1 I/O CT X ei0 X X Port A1 57 PA2 I/O CT X ei0 X X Port A2 58 PA3 (HS) I/O CT HS X ei0 X X Port A3 59 VDD_1 2) S Digital Main Supply Voltage 60 VSS_1 2) S Digital Ground Voltage 61 PA4 (HS) I/O CT HS X XX X Port A4 62 PA5 (HS) I/O CT HS X XX X Port A5 63 PA6 (HS)/SDAI I/O CT HS X TPort A6 I2C Data 5) 64 PA7 (HS)/SCLI I/O CT HS X TPort A7 I2C Clock 5) 65 VPP/ ICCSEL I Must be tied low. In Flash programming mode, this pin acts as the programming voltage input VPP. 66 RESET I/O CT Top priority non maskable interrupt. 67 EVD External voltage detector 68 TLI I CT X X Top level interrupt input pin 69 PH4 I/O TT X XX X Port H4 70 PH5 I/O TT X XX X Port H5 71 PH6 I/O TT X XX X Port H6 72 PH7 I/O TT X XX X Port H7 73 VSS_2 2) S Digital Ground Voltage 74 OSC23) I/O Resonator oscillator inverter output 75 OSC13) I External clock input or Resonator oscil- lator inverter input 76 VDD_2 2) S Digital Main Supply Voltage 77 PE0/TDO I/O CT X X X X Port E0 SCI Transmit Data Out 78 PE1/RDI I/O CT X X X X Port E1 SCI Receive Data In 79 PE2 I/O CT X Port E2 80 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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