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ST72521 数据表(PDF) 12 Page - STMicroelectronics |
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ST72521 数据表(HTML) 12 Page - STMicroelectronics |
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12 / 211 page  ST72521 12/211 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, 52 - PH3 I/O TT X X X X Port H3 53 41 PC6/SCK/ICCCLK I/O CT X X X X Port C6 SPI Serial Clock ICC Clock Output 54 42 PC7/SS/AIN15 I/O CT X X X X X Port C7 SPI Slave Select (active low) ADC Analog Input 15 55 43 PA0 I/O CT X ei0 X X Port A0 56 44 PA1 I/O CT X ei0 X X Port A1 57 45 PA2 I/O CT X ei0 X X Port A2 58 46 PA3 (HS) I/O CT HS X ei0 X X Port A3 59 47 VDD_1 S Digital Main Supply Voltage 60 48 VSS_1 S Digital Ground Voltage 61 49 PA4 (HS) I/O CT HS X X X X Port A4 62 50 PA5 (HS) I/O CT HS X X X X Port A5 63 51 PA6 (HS)/SDAI I/O CT HS X T Port A6 I2C Data 1) 64 52 PA7 (HS)/SCLI I/O CT HS X T Port A7 I2C Clock 1) 65 53 VPP/ ICCSEL I Must be tied low. In flash programming 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 66 54 RESET I/O CT Top priority non maskable interrupt. 67 55 EVD External voltage detector 68 56 TLI I CT X X Top level interrupt input pin 69 - PH4 I/O TT X X X X Port H4 70 - PH5 I/O TT X X X X Port H5 71 - PH6 I/O TT X X X X Port H6 72 - PH7 I/O TT X X X X Port H7 73 57 VSS_2 S Digital Ground Voltage 74 58 OSC23) I/O Resonator oscillator inverter output 75 59 OSC13) I External clock input or Resonator oscil- lator inverter input 76 60 VDD_2 S Digital Main Supply Voltage 77 61 PE0/TDO I/O CT X X X X Port E0 SCI Transmit Data Out 78 62 PE1/RDI I/O CT X X X X Port E1 SCI Receive Data In 79 63 PE2/CANTX I/O CT X Port E2 CAN Transmit Data Output 80 64 PE3/CANRX I/O CT X X X X Port E3 CAN Receive Data Input Pin n° Pin Name Level Port Main function (after reset) Alternate function Input Output |
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