...........continued
Pin Number Pin Name Pin Number Pin Name
5 NC 11 GND
6 GPIO/MUTE_N_DSP 12 GND
3.1.5.3 Audio Control Button Headers
The audio control button headers (J700, J701, J702) provide the mechanism to control the audio function buttons
either by the BM83 module (Embedded mode) or on-board PIC32 MCU (Host MCU mode). The following tables
provide the header pin description Embedded and Host MCU mode configurations.
Table 3-5. Audio Control Button Headers (J700, J701, and J702) Pin Description
(1)
Pin Number Pin Name Description
1 PLY/PAU Play or pause
2 REV Reverse
3 FWD Forward
4 VOL– Volume down
5 VOL+ Volume up
6 PAIRING Used for pairing the module with a smartphone (only for Host
MCU mode)
7 Sel Not used
8 NC Not connected
1. To locate these headers on the BM83 EVB, refer to Figure 2-1.
Table 3-6. Embedded Mode Audio Control Button Header Configurations (J700, J701, and J702)
(1)
Pin Number Jumper Names and Positions Description
J700 J701 J702
1 Open Mount a jumper on J701 and J702 Audio streaming is controlled
by the BM83 module in
Embedded mode.
2 Open Mount a jumper on J701 and J702
3 Open Mount a jumper on J701 and J702
4 Open Mount a jumper on J701 and J702
5 Open Mount a jumper on J701 and J702
6 Open Open Open
7 Open Mount a jumper on J701 and J702
8 Open Open Open
1. To locate these headers on the BM83 EVB, refer to Figure 2-1.
BM83 EVB
Hardware
© 2019 Microchip Technology Inc.
User Guide
DS50002902A-page 14
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