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ST72E85A5G0 Datasheet(PDF) 7 Page - STMicroelectronics |
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ST72E85A5G0 Datasheet(HTML) 7 Page - STMicroelectronics |
7 / 117 page 7/117 ST7285C Pin Pin Name(s) Basic Function Alternate Fun ction Remarks 1VSSP Ground for Output Buff- ers - This pin is connected to pin 41 2VDDP Power Supply for Out- put Buffers This pin is connected to pin 42 3 OSCOUT Oscillator Output pin. 4 OSCIN Oscillator Input pin. 5 PC0/MISO_B I/O Port PC0 SPI B master in/slave out data input/output Alternate function or I/O. The I/O configuration is software selectable as triggered input or push pull output. 6 PC1/MOSI_B I/O Port PC1 SPI B Master Out/ Slave In Data Input/ Output 7 PC2/SCK_B I/O Port PC2 SPI B Serial Clock 8 PC3/SS_B I/O Port PC3 SPI B Slave Select 9 PC4/OC2_B I/O Port PC4 Output Compare 2 on Timer B Alternate function or I/O. Software selectable as triggered input, push pull output, or trig- gered interrupt input with pull up (Interrupt I10). 10 PC5/OC1_B I/O Port PC5 Output Compare 1 on Timer B 11 PC6/IC2_B I/O Port PC6 Input Capture 2 on Timer B Alternate function or I/O. The I/O configuration is software selectable as triggered input or push pull output. 12 PC7/IC1_B I/O Port PC7 Input Capture 1 on Timer B. 13 PD0/MISO_A I/O Port PD0 SPI A Master In/Slave Out Data Input/Output 14 PD1/MOSI_A I/O Port PD1 SPI A Master Out/ Slave In data Input/ Output 15 PD2/SCK_A I/O Port PD2 SPI A Serial Clock 16 PD3/SS_A I/O Port PD3 SPI A Slave Select 17 PD4 I/O Port PD4 - Software selectable as triggered input, push pull output, open drain output or triggered in- terrupt input with pull up (Interrupt I9). 18 PD5 I/O Port PD5 - 19 PD6/SCL I/O Port PD6 I2C Serial Clock Alternate function or I/O. The I/O configuration is software selectable as triggered input or open drain output. 20 PD7/SDA I/O Port PD7 I2C Serial Data 21 RESET General Reset - Bidirectional. An active low signal forces MCU initialization. This event is the top priority non- maskable interrupt. As an output, it can be used to reset external peripherals. 22 TEST RESERVED - Input. This pin MUST be tied directly to VSS during normal operation. 23 VDD Power Supply for all log- ic circuitry - Except for output buffers and pull-ups. 24 VSS Ground for all logic cir- cuitry - 25 PE0 I/O Port PE0 - Software selectable as triggered input or push pull output. 26 PE1 I/O Port PE1 - 27 PE2 I/O Port PE2 - 28 PE3 I/O Port PE3 - 29 PE4 I/O Port PE4 - 30 PE5 I/O Port PE5 - 31 PE6 I/O Port PE6 - 32 PE7 I/O Port PE7 - |
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