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BOM: UART1 loopback verified after the WT61 short

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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01DDwfd6Ki8UfG4hK6W5YpJz
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Mikkeli Matlock
2026-10-12 15:35:21 +09:00
parent 7b32e06e24
commit ad24e2e358
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docs/BOM.md
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@@ -133,6 +133,7 @@ Header facts (carrier board spec SP-11324-001 v1.3, Table 3-3 and 5-3; raw copy
- Pin 8 (UART1 TX) is also a boot strap (`BOOT2_STRAP`): nothing should drive it while the board powers up. The WT61's RX is an input, - Pin 8 (UART1 TX) is also a boot strap (`BOOT2_STRAP`): nothing should drive it while the board powers up. The WT61's RX is an input,
so it does not. so it does not.
- Pin 7 is `PAC.06` (gpiochip0 line 144), pulled down on the module at power-on. - Pin 7 is `PAC.06` (gpiochip0 line 144), pulled down on the module at power-on.
- UART1 verified after the WT61 short (2026-10-12): loopback with pin 8 jumpered to pin 10, 1024 bytes intact at 9600 and 115200 baud.
### Notes ### Notes