Difference between revisions of "LB-68B50-01"

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== Checkout ==
 
== Checkout ==
 +
 +
=== Rev 1 ===
 +
 +
* Do not install level translator Uxx
 +
* Short across the SD card lines
  
 
== Assembly Sheet ==
 
== Assembly Sheet ==

Revision as of 14:31, 19 August 2024

LB-6850-01 FRONT REV1(BLK).png

Features

  • Serial/Parallel I/O Card
  • 68B50 UART
  • 1.8432 MHz oscillator
    • Baud Rate Clock (38.4k baud oscillator)
  • XIAO RP2040 CPU
    • USB/Serial
  • 8-bit parallel port expander
  • SD card
  • 100x50mm card

Design

ACIA

LB-68B50-01 ACIA.PNG

  • 68B50 UART
  • Baud Rate Clock (38.4k baud oscillator)

XIAO RP2040 CPU

LB-68B50-01 RP2040.PNG

  • USB/Serial
  • Drive SPI I2C 8-bit parallel port expander
  • SD card

Parallel Port

LB-68B50-01 MCP23008L.PNG

SD Card

LB-68B50-01 SD CARDL.PNG

  • Need to not install level translators
  • Need to shot across the SD card lines

Backplane

LB-68B50-01 BKPL.PNG

Mechanicals

LB-68B50-01 MECHS.PNG

Checkout

Rev 1

  • Do not install level translator Uxx
  • Short across the SD card lines

Assembly Sheet