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PIC16F873A 28-Pin 4kB Microcontroller Datasheet
Photograph |
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Features |
The Microchip PIC16F873A Microcontroller is an inexpensive 28-pin
8-bit PIC Microcontroller with 4K Flash Program Memory and
a Five Channel 10-bit Accuracy A/D Converter.
The PIC16F873A microcontroller has a total of 22 I/O pins with
individual direction control and the ability to drive LEDs directly.
Features
- High-Performance RISC CPU
- - Only 35 single word instructions to learn
- - All instructions are single cycle (1µs) except for program branches
- - Operating speed: DC - 20MHz clock input
- - 4K Flash Program Memory
- - 192 Byte RAM Data Memory
- - 128 Byte EEPROM Data Memory
- - In-circuit Serial Programming
- - Interrupt Capability (up to 10 sources)
- Peripheral Features
- - Two 8-bit timer/counter(TMR0, TMR2) with 8-bit programmable prescalar
- - One 16 bit timer/counter
- - High current source/sink for direct LED drive
- - Two Capture, Compare, PWM Modules
- - Synchronous Serial Port with SPI and I²C
- - Five Channel, 10-bit Analog to Digital Converter
- - Universal Synchronous Asynchronous Receiver Transmitter (USART)
- Special Microcontroller Features
- - Power-On Reset
- - Power-up Timer (PWRT) and Oscillator Start-Up Timer (OST)
- - Watchdog Timer with separate RC oscillator
- - 1,000 erase/write cycles Enhanced Flash Program Memory
- - 1,000,000 typical erase/write cycles EEPROM Data Memory
- - Selectable Oscillator Options
- CMOS Technology
- - Low power, high speed CMOS FLASH technology
- - Fully Static Design
- - Low Power Consumption
- I/O and Packages
- - 22 I/O pins with individual direction control
- - 28 pin DIP
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Pin Layout |
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Pin Description |
Pin Number
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Description
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1
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MCLR/VPP - Master Clear Input
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2
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RA0/AN0 - Port A
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3
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RA1/AN1 - Port A
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4
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RA2/AN2/VREF-/CVREF - Port A
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5
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RA3/AN3/VREF+ - Port A
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6
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RA4/T0CKI/C1OUT - Port A
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7
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RA5/AN4//SS/C2OUT - Port A
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8
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Vss - Ground
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9
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OSC1/CLKI - Oscillator Input
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10
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OSC2/CLKO/RA6 - Oscillator Output/Port A
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11
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RC0/T1OSO/T1CKI - Port C
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12
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RC1/T1OSI/CCP2 - Port C
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13
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RC2/CCP1 - Port C
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14
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RC3/SCK/SCL - Port C
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15
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RC4/SDI/SDA - Port C
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16
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RC5/SDO - Port C
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17
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RC6/TX/CK - Port C
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18
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RC7/RX/DT - Port C
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19
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Vss - Ground
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20
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Vdd - Positive Power Supply
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21
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RB0/INT - Port B
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22
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RB1 - Port B
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23
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RB2 - Port B
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24
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RB3/PGM - Port B
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25
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RB4 - Port B
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26
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RB5 - Port B
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27
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RB6/PGC - Port B
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28
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RB7/PGD - Port B
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Dimensional Drawing |
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Technical Data |
Datasheet
Application Notes
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