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periodic interval timer

To: N8VEM <n8...@googlegroups.com>
Subject: periodic interval timer
From: oh5nxo <juha.n...@quicknet.inet.fi>
Date: Wed, 16 Jul 2008 04:02:44 -0700 (PDT)
User-agent: G2/1.0

is simple to add. 4020 divider over 74139 and some wire from
oscillator to RI pin of UART. Result is 250 Hz (OSC/16384) periodic
interrupt (if modem status ints are enabled). A picture in Files.

Juha

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- RE: [N8VEM: 320] periodic interval timer
  - From: "Andrew Lynch" <lyn...@yahoo.com>

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