Difference between revisions of "RIALTO SBC/Interfaces and Connectors/Console"
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==Console interface == | ==Console interface == | ||
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[[Category:RIALTO SBC]] | [[Category:RIALTO SBC]] | ||
Latest revision as of 14:10, 12 January 2024
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| History | |||
|---|---|---|---|
| Issue Date | Notes | ||
| 2023/01/09 | First documentation release | ||
Contents
Console interface[edit | edit source]
Description[edit | edit source]
The Console interface is available on the RIALTO SBC to the following connector: J42 is a Phoenix 4x1x2.54mm pin header connector. On this connector is mapped the console interface (UART1).
Signals[edit | edit source]
The following tables describe the interfaces signals:
J42[edit | edit source]
| Pin# | Pin name | Pin function | Pin Notes |
|---|---|---|---|
| 1 | TX | UART1_TX | LVTTL signal |
| 2 | RX | UART1_RX | LVTTL signal |
| 3 | VDD | 3V3 | powered by internal PMIC |
| 4 | DGND | GND |
Device mapping[edit | edit source]
UART1 is mapped to /dev/ttymxc0 device in Linux. The peripheral is used as the default serial console, both for the bootloader and the kernel.
Device usage[edit | edit source]
To connect to the debug serial port:
- connect an UART transceiver (eg: TTL-232RGVIP-WE) to J42 and to a workstation
- leave J42.3 unconnected if the transceiver is self powered
- start your favorite terminal emulator software on PC (eg: PuTTY); communication parameters are: 115200,8N1
