The " PIC18F87K22-I/PT " is a microcontroller from Microchip Technology Inc., a leading manufacturer of microcontrollers and analog semiconductors. The model you mentioned belongs to the PIC18 family, which is known for its high pe RF ormance, low Power consumption, and various peripheral interface s.
Package and Pin Configuration
The "PIC18F87K22-I/PT" comes in a TQFP (Thin Quad Flat Package) package. This package typically includes 64 pins, with a specific pinout designed to accommodate various functions and interfaces. I'll provide a detailed breakdown of the pin functions, but since there are 64 pins on this model, the description will include each of these pins' roles, including general-purpose I/O pins, power supply pins, and specific interface functions.
Pinout Function Details for the PIC18F87K22-I/PT
Below is the detailed pinout description of the 64 pins of the PIC18F87K22 microcontroller:
Pin Number Pin Name Pin Function Description 1 VDD Positive power supply (2.0V to 5.5V) 2 VSS Ground (0V) 3 RA0/AN0 Analog input (RA0) or digital input/output (AN0) 4 RA1/AN1 Analog input (RA1) or digital input/output (AN1) 5 RA2/AN2 Analog input (RA2) or digital input/output (AN2) 6 RA3/AN3 Analog input (RA3) or digital input/output (AN3) 7 RA4/AN4 Analog input (RA4) or digital input/output (AN4) 8 RA5/AN5 Analog input (RA5) or digital input/output (AN5) 9 VREF+ Positive reference voltage for analog-to-digital conversion 10 VREF- Negative reference voltage for analog-to-digital conversion 11 RC0/T1OSO Timer 1 oscillator output (or general digital I/O) 12 RC1/T1OSI Timer 1 oscillator input (or general digital I/O) 13 RC2/CCP1 Capture/Compare/PWM 1 (or general digital I/O) 14 RC3/CCP2 Capture/Compare/PWM 2 (or general digital I/O) 15 RC4/SDI SPI Data Input (or general digital I/O) 16 RC5/SDO SPI Data Output (or general digital I/O) 17 RC6/TX UART Transmit (or general digital I/O) 18 RC7/RX UART Receive (or general digital I/O) 19 RD0/PSP0 Parallel Port Data (or general digital I/O) 20 RD1/PSP1 Parallel Port Data (or general digital I/O) 21 RD2/PSP2 Parallel Port Data (or general digital I/O) 22 RD3/PSP3 Parallel Port Data (or general digital I/O) 23 RD4/PSP4 Parallel Port Data (or general digital I/O) 24 RD5/PSP5 Parallel Port Data (or general digital I/O) 25 RD6/PSP6 Parallel Port Data (or general digital I/O) 26 RD7/PSP7 Parallel Port Data (or general digital I/O) 27 RE0/AN8 Analog input (RE0) or digital input/output (AN8) 28 RE1/AN9 Analog input (RE1) or digital input/output (AN9) 29 RE2/AN10 Analog input (RE2) or digital input/output (AN10) 30 RC8/CCP3 Capture/Compare/PWM 3 (or general digital I/O) 31 RC9/CCP4 Capture/Compare/PWM 4 (or general digital I/O) 32 RE3 External Interrupt (or general digital I/O) 33 RE4 General digital I/O 34 RE5 General digital I/O 35 RE6 General digital I/O 36 RE7 General digital I/O 37 RF0/AN11 Analog input (RF0) or digital input/output (AN11) 38 RF1/AN12 Analog input (RF1) or digital input/output (AN12) 39 RF2/AN13 Analog input (RF2) or digital input/output (AN13) 40 RF3/AN14 Analog input (RF3) or digital input/output (AN14) 41 RF4 General digital I/O 42 RF5 General digital I/O 43 RF6 General digital I/O 44 RF7 General digital I/O 45 RD0/PSP0 Parallel Port Data (or general digital I/O) 46 RD1/PSP1 Parallel Port Data (or general digital I/O) 47 RD2/PSP2 Parallel Port Data (or general digital I/O) 48 RD3/PSP3 Parallel Port Data (or general digital I/O) 49 RD4/PSP4 Parallel Port Data (or general digital I/O) 50 RD5/PSP5 Parallel Port Data (or general digital I/O) 51 RD6/PSP6 Parallel Port Data (or general digital I/O) 52 RD7/PSP7 Parallel Port Data (or general digital I/O) 53 VSS Ground (0V) 54 VDD Positive power supply (2.0V to 5.5V) 55 MCLR Master Clear Reset Pin 56 AVDD Analog Power Supply 57 AVSS Analog Ground 58 RE0/AN8 Analog input (RE0) or digital input/output (AN8) 59 RE1/AN9 Analog input (RE1) or digital input/output (AN9) 60 RE2/AN10 Analog input (RE2) or digital input/output (AN10) 61 TQFP Pin 61 General Digital I/O (configurable) 62 TQFP Pin 62 General Digital I/O (configurable) 63 TQFP Pin 63 General Digital I/O (configurable) 64 TQFP Pin 64 General Digital I/O (configurable)FAQs
Q: What is the power supply voltage range for PIC18F87K22? A: The operating voltage range for PIC18F87K22 is 2.0V to 5.5V.
Q: How many pins does the PIC18F87K22 have? A: The PIC18F87K22 in the TQFP package has 64 pins.
Q: What are the key communication interfaces supported? A: The PIC18F87K22 supports UART, SPI, and I2C interfaces.
Q: Can the pins be configured for analog or digital functions? A: Yes, many pins can be configured as either analog inputs or digital I/O depending on the application.
Q: Does the PIC18F87K22 support PWM? A: Yes, the microcontroller supports multiple PWM channels, including CCP1, CCP2, CCP3, and CCP4.
Q: What is the role of the MCLR pin? A: The MCLR pin is the master clear reset pin that resets the microcontroller.
Q: Does the PIC18F87K22 have internal voltage references? A: Yes, the microcontroller includes an internal voltage reference.
Q: Can I use this microcontroller for automotive applications? A: Yes, with its wide voltage range and reliability, the PIC18F87K22 is suitable for automotive applications.
Q: How can I use the analog-to-digital converter (ADC) on this microcontroller? A: The PIC18F87K22 includes a 10-bit ADC that can be configured to use various input pins for analog readings.
Q: Does the PIC18F87K22 have external interrupt capabilities? A: Yes, the microcontroller supports external interrupts on specific pins.
… and more. This should give you an extensive overview of the pin functions and FAQ-style responses regarding this microcontroller. For a more detailed inquiry, specific functions or setup instructions can be provided as well!