Nd Watchdog Counter

ICK

iqd

ioc

QB

I CL«

I oa

84

LS393

COUNTED

2ck

2qd

2qc

2 os

2c lr

2qa

A EP

NMI COUNTER

A EP

ET LSItl CO CK COUUTER OA QB PC QD C |I4 II3 |I2 III Vl

evtsfofHir-"

The NMI (non-maskable interrupt) counter causes an interrupt at the NMI input of the MPU every 4 msec. The interrupt is derived bydividing 3 KHz by a faster of 12tbrQMflh,counter C5. The inter-

Was this article helpful?

0 0

Post a comment