68HC05K0 Просмотр технического описания (PDF) - Motorola => Freescale

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производитель

68HC05K0

Infra-red Remote Control

Motorola => Freescale 

Debug

On applying power to the circuit the RESET vector

will initialise the program counter at the beginning

of the software. When examining the output at

PortB bit 1 with an oscilloscope or logic analyser it

should be noted that when trying to capture the

signal by pressing a key the first signal out will be

the start message of nine 1’s. To capture the

instruction the key should be held down and as the

instruction will be continually re-transmitted then

the capture can be initiated at this point.

AN463/D

MOTOROLA

7

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