PIC18F452 Microcontroller IC

Description

PIC18F452 is an 8-bit with 10 MIPS, CMPS, FLASH-based microcontroller that has 34 I/O pins out of 40 Pin packages. It is a powerful microcontroller with one 8-bit and three 16-bit timers, 8-Channels 10-bit Analog-digital converter, and I2C, SPI, USART peripheral. It is a Low power microcontroller unit that consumes about less than 0.2 uA standby current and 1.6mA normal current during 5V and 4 Mhz operations. PIC18F452 Pin Configuration Pin Number Pin Name Description 1 MCLR/VPP Master Clear (input) or High voltage ICSP programming enable pin mainly used for programming purposes. 2 RA0/AN0 Bidirectional I/O pin of Port A bit 0 or Analog input 0 3 RA1/AN1 Bidirectional I/O pin of Port A bit 1 or Analog input 1 4 RA2/AN2/VREF- Bidirectional I/O pin of Port A bit 2 or Analog input 2 or A/D Reference (Low) Voltage. 5 RA3/AN3/VREF+ Bidirectional I/O pin of Port A bit 3 or Analog input 3 or A/D Reference (High) Voltage. 6 RA4/T0CKI Bidirectional I/O pin of Port A bit 4 or Timer 0 external clock input. 7 RA5/AN4/SS/LVDIN Bidirectional I/O pin of Port A bit 5 or Analog input 4 or SPI Slave Select input or Low voltage Detect input. 8 RE0/RD/AN5 Bidirectional I/O pin of Port E bit 0 or Read control for parallel slave port or Analog input 5 9 RE1/WR/AN6 Bidirectional I/O pin of Port E bit 1 or Write control for parallel slave port or Analog input 6 10 RE2/CS/AN7 Bidirectional I/O pin of Port E bit 2 or Chip select control for parallel slave port or Analog input 7. 11 VSS Positive supply pin. 12 VDD Ground supply pin. 13 OSC1/CLKI Oscillator Crystal or External clock input. 14 OSC2/CLKO/RA6 Bidirectional I/O pin of Port A bit 6 or Oscillator crystal or clock output. 15 RC0/T1OSO/T1CKI Bidirectional I/O pin of Port C bit 0 or Timer 1 Oscillator output or Timer 1/Timer 3 external clock input. 16 RC1/T1OSI/CCP2 Bidirectional I/O pin of Port C bit 1 or Timer 1 Oscillator input or Capture 2 input, Capture 2 output, PWM 2 output. 17 RC2/CCP1 Bidirectional I/O pin of Port C bit 2 or Capture 1 input, Capture1 output, PWM1 output 18 RC3/SCK/SCL Bidirectional I/O pin of Port C bit 3 or Synchronous serial clock input/output for SPI mode or Synchronous serial clock input/output for 12C mode. 19 RD0/PSP0 Bidirectional I/O pin of Port D bit 0 or Parallel slave Port Data 20 RD1/PSP1 Bidirectional I/O pin of Port D bit 1 or Parallel slave Port Data. 21 RD2/PSP2 Bidirectional I/O pin of Port D bit 2 or Parallel slave Port Data 22 RD3/PSP3 Bidirectional I/O pin of Port D bit 3 or Parallel slave Port Data 23 RC4/SDI/SDA Bidirectional I/O pin of Port C bit 4 or SPI Data In or 12C data I/O. 24 RC5/SDO Bidirectional I/O pin of Port C bit 5 or SPI Data Out. 25 RC6/TX/CK Bidirectional I/O pin of Port C bit 6 or USART Asynchronous Transmit or USART Synchronous Clock 26 RC7/RX/DT Bidirectional I/O pin of Port C bit 7 or USART Asynchronous Receive or USART Synchronous Data 27 RD4/PSP4 Bidirectional I/O pin of Port D bit 4 or Parallel slave Port Data 28 RD5/PSP5 Bidirectional I/O pin of Port D bit 5 or Parallel slave Port Data 29 RD6/PSP6 Bidirectional I/O pin of Port D bit 6 or Parallel slave Port Data 30 RD7/PSP7 Bidirectional I/O pin of Port D bit 7 or Parallel slave Port Data 31 VSS Ground Supply pin 32 VDD Positive supply pin 33 RB0/INT0 Bidirectional I/O pin of Port B bit 0 or External Interrupt 0. 34 RB1/INT1 Bidirectional I/O pin of Port B bit 1 or External Interrupt 1. 35 RB2/INT2 Bidirectional I/O pin of Port B bit 2 or External Interrupt 2. 36 RB3/CCP2 Bidirectional I/O pin of Port B bit 3 or Capture 2 input, Compare 2 output, PWM 2 output. 37 RB4 Bidirectional I/O pin of Port B bit 4 with IOC (Interrupt-on-change) 38 RB5/PGN Bidirectional I/O pin of Port B bit 5 with IOC (Interrupt-on-change) or Low Voltage ICSP programming enable pin 39 RB6/PG Bidirectional I/O pin of Port B bit 6 with IOC (Interrupt-on-change) or In-Circuit Debugger and ICSP programming clock pin. 40 RB7/PGD Bidirectional I/O pin of Port B bit 7 with IOC (Interrupt-on-change) or In-Circuit Debugger and ICSP programming data pin. Features and Specification of the PIC18F452 Microcontroller PIC18F452 – Simplified Features and Specification CPU 8-bit Number of Pins 40 Operating Voltage (V) 2-5.5 V Number of I/O pins 34 ADC Module 1 (8-Channels, 10-bits) Timer Module 8-bit(1), 16-bit(3) Comparators 0 DAC Module 0 Communication Peripherals SPI, I2C, UART External Oscillator Yes Internal Oscillator No Program Memory (KB) 32KB CPU Speed (MIPS) 10 RAM Bytes 1536 byte Data EEPROM 256 byte Note : Complete technical details can be found in the 18F452 Datasheet linked at the bottom of this page. Introduction to PIC18F452 PIC18F452 is an 8-bit with 10 MIPS, CMPS, FLASH-based microcontroller that has 34 I/O pins out of 40 Pin packages. It is a powerful microcontroller with one 8-bit and three 16-bit timers, 8-Channels 10-bit Analog-digital converter, and I2C, SPI, USART peripheral. It is a Low power microcontroller unit that consumes about less than 0.2 uA standby current and 1.6mA normal current during 5V and 4 Mhz operations. PIC18F452 also has the feature of Programming code protection, Power-on Reset (POR), Power-up Timer (PWRT), Oscillator Start-up timer with power saving sleep mode. The watchdog timer features its own On-Chip RC Oscillator for reliable operations. 2V to 5.5V operating voltage makes the 18F452 suitable for 3.3V and 5.0V logic level operations. Below image is showing the pin diagram of PIC18F452- Detailed Features of PIC18F452 PIC18F452 –Detailed Features CPU 8-bit Architecture 8-bit Program Memory Size (Kbytes) 32 KB RAM (bytes) 1536 bytes EEPROM/HEF 256 byte Pin Count 40 Max. CPU Speed (MHz) 40MHz Peripheral Pin Select (PPS) No Internal Oscillator No No. Of comparators Nil No. Of Operational Amplifier Nil No. Of ADC channels 8 Max ADC Resolution (bits) 10-bits ADC with Computation No Number of DAC Converter Nil Max DAC resolution – Internal Voltage Reference No Zero Cross Detect No No. Of 8-bit timers 1 No. Of 16-bit Timers 3 Signal Measurement Timer No Hardware Limit Timer No No. Of PWM outputs 2 Max PWM resolution 8-bit Angular Timer No Math Accelerator No No. Of UART module 1 No. Of SPI Module 1 No. Of I2C module 1 No. Of USB Module Nil Windowed Watchdog Timer (WWDT) No CRC/Scan No Numerically Controlled Oscillator No Cap. Touch Channels Nil Segment LCD No Minimum Operating Temperature (*C) -40°C Maximum Operating Temperature (*C) 125°C Minimum Operating Voltage (V) 2V Maximum Operating Voltage (V) 5.5 V High Voltage Capable No Application of PIC18F452 This is a basic Mid-range 8-bit microcontroller unit that can be used in the following applications- Input-Output operations Control Applications Analog data Processing Sensors integration and data logging Small scale, low cost embedded application based production Component Datasheet PIC18F452 Datasheet

From the supplier's page.