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Introduction

Table:Comparative studies of salient features of PIC16C54, PIC16C55, PIC16C56, PIC16C57, PIC16C71, PIC17C42A, PIC17C43, PIC17C44 and PIC17C752 microcontrollers

Microcontroller IC EPROM (on-chip program memory)
RAM (on-chip data memory)
No. of instructions DIP No. of pins in No. of I/O pins No. of timers No. of ADC channels
PIC16C54 512 bytes 25 bytes 33 single-word instructions 18 12 1+ Watchdog timer(WDT) -
PIC16C55 512 bytes 24 bytes 33 single-word instructions 28 20 1+ Watchdog timer(WDT) -
PIC16C56 1K bytes 25 bytes 33 single-word instructions 18 12 1+ Watchdog timer(WDT) -
PIC16C57 2K bytes 72 bytes 33 single-word instructions 28 20 1+ Watchdog timer(WDT) -
PIC16C71 1K×14 bytes 36 bytes 35 single-word instructions 18 13 1+ Watchdog timer(WDT) 4 channels 8-bit ADC
PIC17C42A 2K bytes 232 bytes 58 single-word instructions 40 33 4 -
PIC17C43 4K bytes 454 bytes 58 single-word instructions 40 33 4 -
PIC17C44 8K bytes 454 bytes 58 single-word instructions 40 33 4 -
PIC17C752 8K×16 bytes 678 bytes 58 single-word instructions 40 33 4 12-channels 10-bit ADC

 

 

Table: The Comparative study of PIC 16F873, PIC 16F874, PIC 16F876 and PIC 6F877

Name PIC 16F873 PIC 16F874 PIC 16F876 PIC 16F877
Program Memory 4k 4k 4k 4k
Data Memory (bytes) 192 192 368 368
EEPROM Data Memory (bytes) 128 128 256 256
I/O ports 3 (A, B, C) 5 (A, B, C, D, E) 3 (A, B, C) 5 (A, B, C, D, E)
Timers 3 3 3 3
Interrupts 13 14 13 14
10 bit Analog to Digital Module 5 input channels 8 input channels 5 input channels 8 input channels
Instruction Set 35 instructions 35 instructions 35 instructions 35 instructions
Capture/Compare/PWM Modules 2 2 2 2




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