LB-6809-01

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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

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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 (E)


Assembly Sheet






		
		
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