STEVAL-MKI138V1 datasheet(1/4 Pages) STMICROELECTRONICS

tên linh kiện	STEVAL-MKI138V1

Giải thích chi tiết về linh kiện	STAudioHub USB interface board based on MP34DT01 and STM32

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June 2013

DocID024359 Rev 2

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STEVAL-MKI138V1

STAudioHub USB interface board

based on MP34DT01 and STM32

Data brief

Features

• Powered and connected to PC through USB

• Sound card automatically recognized by the

PC as an audio device.

• MEMS microphones provide a high frequency

data stream (1 to 3.25 MHz) of 1 bit digital

samples (PDM technique)

• Audio collected from the microphones is sent to

the PC through USB

• LED status indicator

• RoHS compliant

Description

The purpose of STEVAL-MKI138V1 is to provide

a demonstration of decoding and streaming of

digital MEMS microphone outputs.

The STEVAL-MKI138V1 demonstration board

hosts the MP34DT01 (top-port digital

microphone), working as a sensor and the

STM32F107RC microcontroller, which functions

as an audio decoder.

These microphones are analog-to-digital

transducers. They are capable of sensing sound

pressure and converting it to a digital signal using

the PDM technique.

The STM32 microcontroller decodes the PDM

signals from the microphones and streams the

audio via USB.

The STEVAL-MKI138V1 is a sound card

automatically recognized by the PC as an audio

device. Connection is made through a USB cable,

which both powers the board and streams the

audio collected from the microphones to the PC.

It is also possible to use the STEVAL-MKI138V1

as an interface board for other microphone

boards (STEVAL-MKI126Vx), in which case use

of the APWorkbench software tool is

recommended.

Top view

Bottom view

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Số phần tương tự - STEVAL-MKI138V1

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
STMicroelectronics	STEVAL-MKI138V2	1Mb / 7P	STAudioHub USB interface board based on the MP34DB01 and STM32 July 2014 Rev 1
STMicroelectronics	STEVAL-MKI138V3	430Kb / 4P	STAudioHub USB interface board based on MP45DT02 and STM32 June 2014 Rev 1

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Mô tả tương tự - STEVAL-MKI138V1

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
STMicroelectronics	STEVAL-MKI138V3	430Kb / 4P	STAudioHub USB interface board based on MP45DT02 and STM32 June 2014 Rev 1
	STEVAL-MKI138V2	1Mb / 7P	STAudioHub USB interface board based on the MP34DB01 and STM32 July 2014 Rev 1
	STEVAL-MKI117V1	363Kb / 5P	MEMS microphone demonstration board based on the MP34DT01 and STM32
	STEVAL-PCC009V1	330Kb / 7P	Universal USB to serial communication interface demonstration board based on the STM32
	UM1900	1Mb / 19P	Getting started with the digital MEMS microphones expansion board based on MP34DT01-M for STM32 Nucleo July 2016 Rev 3
	STEVAL-CCA035V1	363Kb / 5P	APWLink USB interface board based on the STA120D
	STEVAL-PCC009V3	845Kb / 7P	S-Touch짰 product family interface demonstration board based on the STM32
	STEVAL-MKI116V1	360Kb / 5P	MEMS microphone demonstration board based on the MP34DB01 and STM32
	STEVAL-MKI117V2	353Kb / 5P	MEMS microphone demonstration board based on the MP45DT02 and STM32
	STEVAL-CCM001V2	189Kb / 7P	Graphic panel demonstration board based on the STM32

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