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MC6840 - Programmable Timer Module

Key Features

  • ess line into a Chip Select of the PTM when using the MC6800/6802/680B.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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:’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>:” *.