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
.
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
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
©
2019 Microchip Technology Inc.
User Guide
DS50002902A-page 13