Microchip Technology BM83 EVB - Headers; I2 S Header; Audio Daughter Board Interface Header

3.1.5 Headers
The following headers are available on the BM83 EVB.
Note: To locate these headers available on the BM83 EVB, refer to Figure 2-1.
3.1.5.1 I2S Header
I2S header (J405) provides the interface to connect an STA369BW Audio Daughter Board to the BM83 module. The
following table provides the pin details of I2S header.
Table 3-2. I2S Header (J405) Pin Details
Pin Number Pin Name
1 RFS1
2 SCLK1
3 DR1
4 DT1
5 MCLK1
6 GND
7 3V3_IO
Note: Connect J405 and J404 to enable I2S interface with the STA369BW Audio Daughter Board.
3.1.5.2 Audio Daughter Board Interface Header
The Audio Daughter Board interface headers (J500 and J501) provide the interface to use the STA369BW Audio
Daughter Board. The Table 3-3 and Table 3-4 tables provide the pin details of these headers.
Table 3-3. Audio Daughter Board Interface Header (J500) Pin Details
Pin Number Pin Name Pin Number Pin Name
1 GND 11 I2S_DR1
2 GND 12 I2S_SCLK1
3 GPIO/RxD 13 I2S_DT1
4 GPIO/CTS# 14 I2S_MCLK1
5 GPIO/TxD 15 GND
6 GPIO/RTS# 16 GND
7 GPIO/SCL 17 15V_DC_IN
8 GPIO/RST# 18 3V3_GEN
9 GPIO/SDA 19 15V_DC_IN
10 I2S_RFS1 20 5V_DC
Table 3-4. Audio Daughter Board Interface Header (J501) Pin Details
Pin Number Pin Name Pin Number Pin Name
1 NC 7 NC
2 NC 8 GPIO/PROT_N_DSP
3 GPIO/DSP_IRQ_N 9 NC
4 GPIO/SLEEP_N_DSP 10 NC
BM83 EVB
Hardware
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User Guide
DS50002902A-page 13