Difference between revisions of "LB-65CXX-01"

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[[file:LB-65CXX-01_BKPL.PNG]]
 
[[file:LB-65CXX-01_BKPL.PNG]]
 
== PLD ==
 
 
<pre>
 
Name      LB-65CXX-01_PLD;
 
Partno    ATF16V8B;
 
Date      09/09/20;
 
Revision  01;
 
Designer  DOUG G;
 
Company    LAND BOARDS LLC;
 
Assembly  U00;
 
Location  Connellsville, PA;
 
Device    G16V8;
 
 
/*
 
65C816 Control
 
*/
 
 
 
/* Control inputs */
 
PIN    1  = CLK;
 
PIN    2  = CPUA12;
 
PIN    3  = CPUA13;
 
PIN    4  = CPUA14;
 
PIN    5  = CPUA15;
 
PIN    6  = CPUREAD;
 
PIN    8  = VPA;
 
PIN    9  = VDA;
 
 
/* Counter data inputs */
 
PIN    13  = !IOCS;
 
PIN    14  = !ROMCS;
 
PIN    15  = !MEMRD;
 
PIN    16  = !RAMCS;
 
PIN    18  = RDY;
 
 
ROMCS = CPUA15 & CPUA14 & CPUA13 & CPUA12 & CPUREAD & VDA
 
#      CPUA15 & CPUA14 & CPUA13 & CPUA12 & CPUREAD & VPA;
 
 
RAMCS = !CPUA15 & VDA
 
#      !CPUA15 & VPA;
 
 
IOCS = CPUA15 & !CPUA14 & !CPUA13 & !CPUA12 & VDA;
 
 
MEMRD = CPUREAD & CLK;
 
 
/*
 
RDY = VPA
 
#    VDA;
 
*/
 
 
</pre>
 

Revision as of 19:39, 18 August 2024

LB-65C816-01 FRONT REV1(BLK).png

Features

  • 65C02 or 65C816 CPU
  • 2 MHz Oscillator on card
  • Reset switch/power monitor
  • Address decoder PLD drives RAM/ROM/IO chip selects
  • 100x50mm card

Design

CPU

LB-65CXX-01 CPU.PNG

  • 65C02 or 65C816 CPU
  • 2 MHz

Oscillator

LB-65CXX-01 OSC.PNG

PLD

LB-65CXX-01 PLS.PNG

Reset Controller

LB-65CXX-01 RES.PNG

Backplane connector

LB-65CXX-01 BKPL.PNG