MC6840 - Motorola

MC6840 Programmable Timer Module

www.DataSheet4U.com MOTOROLA Order this document by MC6840/D s SEMICONDUCTOR TECHNICAL DATA MC6840 Programmable Timer Module (PTM) .!,. A),,),, l.~:~ :.*L~,. The MC6840 is a programmable subsystem component of the M6800 Family designed to provide t,., ~ ,,.l.,.,$.. ,1. ., ~ *:~ ,:::’~” ,<$,+ variable system time intervals. ){t t,$.~ t.+ “:tt+.:?.,:t:’.

Features

l as system interrupts. ,>~+ ‘$tt5, -
*, .,d:P:.. 3... ~ .,> re, TJ, in ‘C can be obtained from: where: TA OJA pD PINT TJ =TA+ (PD
*OJA) ;., $ i< ~.s>>,, :<:
*, ‘.~~ ..$.’ = Arn~~~m,fem peratu re, ‘C = +P@k~d’’Thermal Resistance, Junction-to-Ambient, ‘Cm ,~~~~~+ PpORT , !kd~~ x Vcc, $: (1) Pp~T3W$=’
*~ort . ,4 ~ ~
*;’.?,,
* Watts — Chip Internal Power Power Dissipation, Watts — User Determined ~~$@~~#appliCatiOn.