Microchip Technology BM83 EVB - Page 47

Figure 7-10. MCU to Bluetooth Switch
MFB_MCU
TXD_MCU
RXD_MCU
RST_MCU
MCU_BCLK
MCU_SDI
FLASH_CS#
MFB
HCI_RXD
HCI_TXD
RST_N
P3_4
SCLK1
P3_7
MCU to BT Switch
MCU
BT
33R 06035%R423
33R 06035%R424
33R 06035%R425
33R 06035%R426
33R 06035%R427
33R 06035%R428
33R 06035%R422
33R 06035%R420
33R 06035%R419
33R 06035%R418
33R 06035%R416
33R 06035%R417
RFS1
DT1
MCU I2S IN BT I2S OUT
P2_6
P0_0
UTX_IND
P2_3
CTSn_MCU
RTSn_MCU
MCU_P20
FUNC1_MCU
11A
22A
33A
44A
55A
66A
DIP 6 SPST
SW402
11A
22A
33A
44A
55A
66A
DIP 6 SPST
SW403
SCK1
MCU_EXT1
SCLK1_DSP
DT1_DSP
RFS1_DSP
MCU vs. BT SWITCH
DSP I2S
33R 06035%R400
33R 06035%R401
33R 06035%R402
MCU_EXT1
LINE_IN_DET_MCULINE_IN_DET
MCLK1_DSP
RPD9
33R 06035%R434
RPE3
P3_2
11A
22A
33A
44A
55A
66A
DIP 6 SPST
SW400
BM83 EVB
Appendix A: BM83 EVB Reference Schematics
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User Guide
DS50002902A-page 47