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LCD SC1603 BOARD for KZ80マイコン

概要

  • 16桁x2行のLCDモジュール SC1602をSBC8080バス(KZ80-CPUBとか)へ接続するボードです。

説明

  • SBC8080バス(KZ80-CPUBとか)へ接続するボードです。

  • 74HC138でI/Oアドレスデコードします。$80〜や$90〜に設定がおすすめ。

I/Oアドレス($90〜の場合)

  • I/Oアドレスを$90〜とした場合

I/Oアドレス RD/WR 説明

$90

WR

各種設定

$91

WR

CG RAM、DDRAMへデータ書き込み

$92

RD

Busyフラグ、CG RAM、DDRAMアドレス読み出し

$93

RD

CG RAM、DDRAMからデータ読み出し

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