Seeed XIAO nRF52840 Sense
The Seeed XIAO nRF52840 Sense is a compact nRF52840 board with USB, RGB LED, IMU, microphone, and exposed XIAO castellated pins.
Status
| Aspect | Status |
|---|---|
| Chip yaml | configs/chips/nrf52840.yaml |
| System yaml | configs/systems/seeed-xiao-nrf52840-sense.yaml |
| Example | examples/seeed-xiao-nrf52840-sense/ |
| Firmware | crates/firmware-nrf52840-demo/ |
| Tier | smoke: UART0 + GPIO + SPIM0 register task path |
Modeled Peripherals
| Peripheral | Base | Notes |
|---|---|---|
| UART0 | 0x40002000 |
Nordic UART TXD smoke path |
| SPIM0 | 0x40003000 |
Register/task/event smoke model |
| GPIO0 | 0x50000000 |
nRF OUT/OUTSET/OUTCLR/DIR task register subset |
| GPIO1 | 0x50001000 |
Synthetic non-overlapping LabWired mapping for P1 board I/O |
Validation Boundary
This target has automated LabWired simulation coverage for UART/GPIO/SPIM0. The connected USB board was detected locally and bootloader entry was verified, but no SWD probe was available, so hardware register-dump parity is not claimed yet.