PIC18F87K22-I-PT Detailed explanation of pin function specifications and circuit principle instructions
The part number PIC18F87K22-I/PT is part of Microchip Technology's PIC18 series of microcontrollers. The PIC18F87K22 belongs to the PIC18 K-series family, which is built on an enhanced architecture, offering better performance, more features, and a greater variety of peripherals compared to earlier PIC18 models.
Package Type:
The PIC18F87K22-I/PT model comes in a QFN (Quad Flat No-lead) package with 100 pins.
Detailed Pin Function Description:
Below is the detailed description of each of the 100 pins of the PIC18F87K22 microcontroller. Each pin’s function is listed in a tabular format.
Pin Number Pin Name Pin Function 1 RA0/AN0 Analog input 0, Digital I/O. 2 RA1/AN1 Analog input 1, Digital I/O. 3 RA2/AN2 Analog input 2, Digital I/O. 4 RA3/AN3 Analog input 3, Digital I/O. 5 RA4/AN4 Analog input 4, Digital I/O. 6 RA5/AN5 Analog input 5, Digital I/O. 7 VSS Ground (GND). 8 VDD Supply Voltage (Positive). 9 RE0/AN6 Analog input 6, Digital I/O. 10 RE1/AN7 Analog input 7, Digital I/O. 11 RE2/AN8 Analog input 8, Digital I/O. 12 VREF+ Voltage Reference Positive. 13 VREF- Voltage Reference Negative. 14 RC0/CLKO Clock Output, Digital I/O. 15 RC1/CLKI Clock Input, Digital I/O. 16 RC2/CCP1 Capture/Compare/PWM 1, Digital I/O. 17 RC3/CCP2 Capture/Compare/PWM 2, Digital I/O. 18 RC4/SDI SPI Data Input, Digital I/O. 19 RC5/SDO SPI Data Output, Digital I/O. 20 RC6/TX UART Transmit, Digital I/O. 21 RC7/RX UART Receive, Digital I/O. 22 RD0/SS SPI Slave Select, Digital I/O. 23 RD1/SCK SPI Clock, Digital I/O. 24 RD2 Digital I/O. 25 RD3 Digital I/O. 26 RD4 Digital I/O. 27 RD5 Digital I/O. 28 RD6 Digital I/O. 29 RD7 Digital I/O. 30 RE3 Digital I/O. 31 RE4 Digital I/O. 32 RE5 Digital I/O. 33 RE6 Digital I/O. 34 RE7 Digital I/O. 35 RB0/INT0 External Interrupt 0, Digital I/O. 36 RB1/INT1 External Interrupt 1, Digital I/O. 37 RB2/INT2 External Interrupt 2, Digital I/O. 38 RB3 Digital I/O. 39 RB4 Digital I/O. 40 RB5 Digital I/O. 41 RB6 Digital I/O. 42 RB7 Digital I/O. 43 RA6/AN10 Analog input 10, Digital I/O. 44 RA7/AN11 Analog input 11, Digital I/O. 45 C12OUT C12 Oscillator Output. 46 C12IN C12 Oscillator Input. 47 MCLR Master Clear (Reset) Pin. 48 VSS Ground (GND). 49 VDD Supply Voltage (Positive). 50 RE0/AN0 Analog Input 0, Digital I/O. 51 RE1/AN1 Analog Input 1, Digital I/O. 52 RE2/AN2 Analog Input 2, Digital I/O. 53 RE3 Digital I/O. 54 RE4 Digital I/O. 55 RE5 Digital I/O. 56 RE6 Digital I/O. 57 RE7 Digital I/O. 58 VDD Supply Voltage (Positive). 59 VSS Ground (GND). 60 CLKOUT Clock Output Pin. 61 MCLR Master Clear (Reset) Pin. 62 INT0 External Interrupt 0. 63 INT1 External Interrupt 1. 64 INT2 External Interrupt 2. 65 CCP1 Capture/Compare/PWM 1. 66 CCP2 Capture/Compare/PWM 2. 67 RC0/CLKO Clock Output Pin. 68 RC1/CLKI Clock Input Pin. 69 RC2/CCP1 Capture/Compare/PWM 1. 70 RC3/CCP2 Capture/Compare/PWM 2. 71 SPI1SDI SPI Data Input Pin. 72 SPI1SDO SPI Data Output Pin. 73 SPI1SCK SPI Clock Pin. 74 SPI1SS SPI Slave Select Pin. 75 T0CKI Timer0 External Clock Input. 76 T1CKI Timer1 External Clock Input. 77 T2CKI Timer2 External Clock Input. 78 T3CKI Timer3 External Clock Input. 79 T4CKI Timer4 External Clock Input. 80 T5CKI Timer5 External Clock Input. 81 T6CKI Timer6 External Clock Input. 82 T7CKI Timer7 External Clock Input.