LabWired The easy way to build hardware
board I/O module

INMP441 I2S Mic

The INMP441 I2S Mic is a board I/O module in the LabWired part catalog. Its catalog type is inmp441. It connects to the MCU over SPI. The catalog gives a supply range of 1.62–3.63 V. It has 6 pins. A registered peripheral model runs in the engine: the firmware talks to it over the real bus and gets device-accurate responses.

From the catalog: Drives only the half of the I2S frame its L/R pin selects; the other half reads zero because SD tri-states and the 100k pulldown wins. Samples are a deterministic synthetic tone, stated as such in the artifact — a simulator has no sound.

Key facts

CategoryBoard I/O modules
Catalog typeinmp441
InterfaceSPI
Supply range1.62–3.63 V
Pins6

What LabWired simulates

What is simulated

Simulated device model

How it was validated

Built from the datasheet. Implemented from the part’s register documentation and exercised by automated tests. Nothing physical was ever placed next to it.

INMP441 I2S Mic pinout

PinElectrical typeFunction
VDD Power input Supply
GND Power input Supply
SCK Input GPIO
WS Input GPIO
SD Output GPIO
L/R Input GPIO

How to simulate the INMP441 I2S Mic in LabWired

  1. Open the Playground at app.labwired.com and place an MCU board.
  2. Add the INMP441 I2S Mic (catalog type inmp441).
  3. Connect VDD and GND to the supply and ground of the board. Use a supply inside the catalog range of 1.62–3.63 V.
  4. Connect SCK, WS, SD and L/R to free GPIO pins.
  5. Run the firmware. It selects the part and moves bytes over the simulated SPI bus as on hardware.

Related Board I/O modules

All Board I/O modules · All parts

No manufacturer datasheet is indexed for this part yet, so none is linked here.

Wire it up in Playground → See the full validation matrix