8.5 Microphone connector (CN5)
The microphone connector (CN5) connects the STEVAL-MIC008A MEMS microphone daughterboard.
Figure 16. Microphone connector (CN5)
Table 14. Microphone connector (CN5) pinout
Pin number Description Pin number Description
1 GND 2 VDD_MIC (3.3 V)
3 NC 4 PDM clock (CK-PE2)
5
PDM data reserved (PE12)
(1)
6 PDM data (D1-PE8)
7 NC 8 NC
9 NC 10 Microphone board detection
11 NC 12 VDD_MIC (3.3 V)
13 NC 14 NC
15 NC 16 NC
17 NC 18 NC
19 VDD_MIC (3.3 V) 20 GND
1. PE12 is a second data, reserved through solder bridge SB41 (OFF by default).
PE12 is multiplexed with ARDUINO
®
A2 pin.
UM3300
Board connectors
UM3300 - Rev 1
page 24/49