 Serial console pinout?
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09-01-2022, 09:31 AM
Hey I found some contradicting information on the wiki regarding the serial cable pinout:
In this wiki page it says that the tip is RX and the ring TX. But right below it links to this PDF which says the opposite - tip is Tx and ring 1 is Rx. Which one is correct?
09-02-2022, 07:15 AM
If in doubt check the schematic. For v1.1 (Brave Heart) it shows headphone connections going via switch U801 which handles the change between audio and serial use. Tip HP_L goes to PB9-DEBUG-RX (A64 PB9/UART0-RX) and ring (HP_R) to PB8-DEBUG-TX (A64 PB8/UART0-TX)
The source of the confusion might be which RX and TX are being discussed - the cable doc may be talking about the RX and TX of the usb-to-serial adapter rather than the PineTab's. |
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