Difference between revisions of "LB-6809-01"

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=== Rev 1 Checkout Notes ===
 
=== Rev 1 Checkout Notes ===
  
* Add wire U1-34 to U2-7 (E)
+
* Add wire U1-34 to U2-7 (VPB/E)
  
 
== Assembly Sheet ==
 
== Assembly Sheet ==
  
 
* [https://land-boards.com/LB-6809-01/LB-6809-01_Rev1_ibom.html Interactive BOM]
 
* [https://land-boards.com/LB-6809-01/LB-6809-01_Rev1_ibom.html Interactive BOM]

Revision as of 11:29, 19 August 2024

LB-6809-01 FRONT REV1(BLK).png

Features

  • 68B09 CPU
  • 2 MHz (typical) Oscillator on card
  • Reset switch/power monitor
  • Address decoder PLD drives RAM/ROM/IO chip selects
  • 100x50mm card

Memory Map

  • 0x0000-0x7FFF 32KB SRAM
  • 0x8000-0x9FFF Free Space (8KB)
  • 0xA000-0xBFFF Serial (ACIA)
  • 0xC000-0xCFFF 16KB EPROM

=

Design

68B09 CPU

LB-6809-01 CPU.PNG

Oscillator

LB-6809-01 Osc.PNG

PLD

LB-6809-01 PLD.PNG

PLD Listing


Backplane connector

LB-6809-01 BKPLN.PNG

Mechanicals

LB-6809-01 CAD.PNG

Checkout

Rev 1 Checkout Notes

  • Add wire U1-34 to U2-7 (VPB/E)

Assembly Sheet