Question

Mention three key features,
i. Max operating frequency
ii. Flash programming memory
iii. No. of pins of 16F877.

Answer 1

i). Operating speed:

(a) DC – 20 MHz oscillator/clock input

(b) DC – 200 ns instruction cycle

ii). Flash memory size:

(a) 100,000 write Flash endurance

(b) 1,000,000 write EEPROM endurance

(c) Flash/Data EEPROM retention: > 40 years

iii). No. of pins of 16F877: 28 pins