A registered peripheral model runs in the engine: the firmware talks to it over the real bus and gets device-accurate responses.
Simulated device model
Built from the datasheet. Implemented from the part’s register documentation and exercised by automated tests. Nothing physical was ever placed next to it.
BOARD_IO
[object Object]
| Pin | Type | Role |
|---|---|---|
VM | power_in | — |
GND | power_in | — |
VIO | power_in | — |
STEP | input | gpio |
DIR | input | gpio |
EN | input | gpio |
MS1 | input | gpio |
MS2 | input | gpio |
DIAG | output | gpio |
PDN_UART | open_drain | uart_tx |
No manufacturer datasheet is indexed for this part yet, so none is linked here.