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ic package smd eagle
HI
I have problem with keypad interrupt. my 8051 colums comes from one port and rows from anther port and it havng one encoder interrupt from 74HCT21 how to scan this key pad using C rograming. pls help me out
Regads
wahid
noise generated by keypad
HI
I have problem with keypad interrupt. my 8051 colums comes from one port and rows from anther port and it havng one encoder interrupt from 74HCT21 how to scan this key pad using C rograming. pls help me out
Regads
wahid
encoder/decoder
Hi
I am writng C programming for 8051. i haveproblem with 4X4 matrix keyboard it having Encoder interrupt from 74HCT21. pls help me how to enable the interrupt.
rehards
wahid
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