Difference between revisions of "LB-68B50-01"
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== Checkout == | == Checkout == | ||
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| + | === Rev 2 === | ||
=== Rev 1 === | === Rev 1 === | ||
Revision as of 14:46, 19 August 2024
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Contents
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
- 68B50 UART
- Baud Rate Clock (38.4k baud oscillator)
XIAO RP2040 CPU
- USB/Serial
- Drive SPI I2C 8-bit parallel port expander
- SD card
Parallel Port
SD Card
- Need to not install level translators
- Need to shot across the SD card lines
Backplane
Mechanicals
Checkout
Rev 2
Rev 1
- Do not install level translator U3
- Short across the SD card lines
- Jumper U2-13 to U2-2
- Jumper U2-12 to U2-3
- Jumper U2-11 to U2-4
- Jumper U2-10 to U2-5
