...........continued
Pin Name
Pin Number
Pin Name
P1_3
11
12
P1_2
UART_RXD
13
14
UART_TXD
P0_7
15
16
P2_6
P2_3
17
18
P1_6
GND
19
20
3V3_IO
3.1.5.7
Digital Microphone Headers
The 5-pin digital microphone header provides an interface to BM83 EVB and the Digital Microphone Daughter Board.
The pin description is provided in the following table.
Table 3-11. Digital Microphone Headers (J1, J503, and J502) Pin Description
Pin
Number
Digital
Microphone
Daughter
Board
BM83 EVB
Pin Description
Pin Name (J1) Pin Name (J503)
Pin Name (J502)
1
VDD
VDD DIGMIC
VDD DIGMIC
Power supply from BM83 EVB
2
CLOCK
DMIC1_CLK
DMIC1_CLK
Clock input to the microphone from
BM83 module
3
GND
GND
GND
Ground
4
DATA
DMIC1_L
DMIC1_R
PDM output from the microphone to
BM83 module
5
SEL
DM1 SELECT
DM2 SELECT
Select input for microphone
BM83 EVB
Hardware
©
2019 Microchip Technology Inc.
User Guide
DS50002902A-page 17
