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BM83 Datasheet(PDF) 42 Page - Microchip Technology

Part # BM83
Description  BM83 Bluetooth짰 Stereo Audio Module Data Sheet
PDF  74 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

BM83 Datasheet(HTML) 42 Page - Microchip Technology

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Figure 6-3. Timing Sequence of RX Indication After Power-ON State
PWR (MFB)
MCU sends UART command
MFB pulse must be longer than the
UART command slot time
2 ms 2 ms
1 ms
UART
Command
Wake-up Bluetooth® leave 32 kHz
mode
Figure 6-4. Timing Sequence of Power-OFF State
BAT_IN +4V
PWR (MFB)
MCU sends RST_N
BK_OUT
LDO31_VO
UART Bus
2s
1s
BM83 sends power-off ACK
Timing sequence of power-off state:
• For a byte write: 0.01 ms x 32 clock x 2 = 640 μs.
• It is recommended to have ramp-down time more than 640 μs during the power-off sequence to ensure safe
operation of the device.
BM83
Application Information
© 2019 Microchip Technology Inc.
Preliminary Datasheet
DS70005402A-page 42



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