??? 12/30/09 16:10 Read: times |
#172039 - No, the code will destroy the chips... Responding to: ???'s previous message |
P1.3 must not be set low by the AT89C52 when this pin is intended to work as input. If Qh of 74HC165 emits high level both chips are in danger to be destroyed.
Kai Klaas |