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PDM MEMS Microphone
AdafruitSAMD21
A simple PDM MEMS microphone board for use with SAMD21 and other microcontrollers.
In stock
Specifications
3- Operating Voltage
- 1.8-3.3V, recommended 3V V
- Logic Level
- TBD
- Clock Speed
- 1-3 MHz Hz
Pinout
6| Pin | Name | Functions | Notes |
|---|---|---|---|
| PA07 | DAT | GPIO | I2S data pin |
| PA08 | SEL | GPIO | Left/Right select |
| PA10 | CLK | GPIO | PDM clock in |
| PA19 | GND | GND | Ground reference |
| PB11 | SCK | SPI | I2S clock pin (not used for PDM) |
| PA20 | TX | UART | I2S data pin (not used for PDM) |
Interactive pinout
Highlight:
SAMD21
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