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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:’i’ The MC6840 has three 16-bit binary counters, three corresponding control registers, and a status .:?,\, +, ,,,.F+ ~! ,;&~ register. These counters are under software control and may be used to cause system interrupts .’’ :,~>.,,, .~...~. ~:,~:;, ~<~r.. .. ..+ ..+ ,.,,. andlor generate output signals. The MC6840 may be utilized for such tasks as frequency measure~ L.4!:s+” .<;: *Y>:” *.
MC6840 Datasheet
