Microchip Technology BM83 EVB - Page 51

Figure 7-15. I2C Interface
3V3_IO
P1_3
P1_2
0R
0603
R325
P3_2
3V3_IO
0.1uF
16V
0603
C313
1uF
16V
0603
C314
I2C_INTERFACE
A0
1
SDA
5
A2
3
A1
2
WP
7
VSS
4
SCL
6
VCC
8
24LC64
U301
3V3_IO
1
2
3
HDR-2.54 Male 1x3
JP307
P2_3
P2_3
1
2
3
HDR-2.54 Male 1x3
JP308
P2_6
P2_6
P1_2
P1_3
JP307, JP308
1-2
2-3
SW I2C
HW I2C (Default)
1 2
HDR-2.54 Male 1x2
JP309
P2_3
P2_3
P2_6
P2_6
Note:
JP309 is Test Point for SW I2C IOs.
To be used to connect to Ext Codec (J402)
while using SW I2C .
To be placed near the Ext Codec section
I2C_SDA
I2C_SCL
Shunt 2.54mm 1x2
JP315
Shunt 2.54mm 1x2
JP316
1.5k
0603
1%
R300
1.5k
0603
1%
R301
3V3_IO
P1_3
P1_2
0R
0603
R325
P3_2
3V3_IO
0.1uF
16V
0603
C313
1uF
16V
0603
C314
I2C_INTERFACE
A0
1
SDA
5
A2
3
A1
2
WP
7
VSS
4
SCL
6
VCC
8
24LC64
U301
3V3_IO
1
2
3
HDR-2.54 Male 1x3
JP307
P2_3
P2_3
1
2
3
HDR-2.54 Male 1x3
JP308
P2_6
P2_6
P1_2
P1_3
JP307, JP308
1-2
2-3
SW I2C
HW I2C (Default)
1 2
HDR-2.54 Male 1x2
JP309
P2_3
P2_3
P2_6
P2_6
Note:
JP309 is Test Point for SW I2C IOs.
To be used to connect to Ext Codec (J402)
while using SW I2C .
To be placed near the Ext Codec section
I2C_SDA
I2C_SCL
Shunt 2.54mm 1x2
JP315
Shunt 2.54mm 1x2
JP316
1.5k
0603
1%
R300
1.5k
0603
1%
R301
Figure 7-16. BT –DSP–MCU Interface
BT----DSP----MCU INTERFACE
MCU_IC_N
MCU_SLEEP
MCU_MUTE
MCU_SCL
MCU_SDA
MCU_PROT_N
P0_2
P2_7
P0_5
P1_6
P0_01
2
3
4
5
6
7
HDR-2.54 Male 1x7
J401
1
2
3
4
5
6
7
HDR-2.54 Male 1x7
J402
1
2
3
4
5
6
7
HDR-2.54 Male 1x7
J403
BT
DSP
MCU
P1_2
P1_3
SCL_DSP
SDA_DSP
PROT_N_DSP
DSP_IC_N_DSP
SLEEP_N_DSP
MUTE_N_DSP
DSP_IRQ_N
JP406
JP407
JP405
JP404
Embedded Mode Jumper Settings
J401 J402
#1
Jumper to be Mount
JP404
#4
#5
#7
#1
#4
#5
#7
JP405
JP406
JP407
Figure 7-17. Digital MIC and Interface
GND
VDD_DIGMIC
DM1_SELECT
GND
VDD_DIGMIC
DM2_SELECT
1
2
3
HDR-2.54 Male 1x3
J505
1
2
3
HDR-2.54 Male 1x3
J504
1
2
3
4
5
HDR-2.54 Male 1x5
J503 VDD_DIGMIC
DM1_SELECT
1
2
3
4
5
HDR-2.54 Male 1x5
J502 VDD_DIGMIC
GND
DM2_SELECT
DIGITAL_MIC
DMIC1_R
DMIC1_L
GND
DMIC1_L
DMIC1_R
DMIC1_CLK
DMIC1_CLKShunt 2.54mm 1x2
JP509
Shunt 2.54mm 1x2
JP511
100R
FB500
DMIC2_CLK
DMIC1_CLK
100R
FB501
DMIC_CLK
DMIC_CLK
BM83 EVB
Appendix A: BM83 EVB Reference Schematics
© 2019 Microchip Technology Inc.
User Guide
DS50002902A-page 51