Difference between revisions of "LB-68B50-01"
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| Line 55: | Line 55: | ||
* Do not install level translator U3 | * Do not install level translator U3 | ||
* Short across the SD card lines | * 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 | ||
== Assembly Sheet == | == Assembly Sheet == | ||
[https://land-boards.com/LB-68B50-01/LB-68B50-01_Rev1_ibom.html] | [https://land-boards.com/LB-68B50-01/LB-68B50-01_Rev1_ibom.html] | ||
Revision as of 14:45, 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 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
