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BM83 Datasheet(PDF) 12 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) 12 Page - Microchip Technology

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2.2
BM83 Module Pin Description
The following table describes the pin description of the BM83 module.
Table 2-2. BM83 Module Pin Description
Pin
Number
Pin Name
Pin
Type
Description
1
DR1
I
I2S interface: digital left/right data
2
RFS1
I/O
I2S interface: digital left/right clock
3
SCLK1
I/ O
I2S interface: bit clock
4
DT1
O
I2S interface: digital left/right data
5
MCLK1
O
I2S interface: master clock
6
AOHPR
O
R-channel analog headphone output
7
AOHPM
O
Headphone common mode output/sense input
8
AOHPL
O
L-channel analog headphone output
9
MICN2
I
MIC 2 mono differential analog negative input
10
MICP2
I
MIC 2 mono differential analog positive input
11
AIR
I
R-channel single-ended analog input
12
AIL
I
L-channel single-ended analog input
13
MICN1
I
MIC 1 mono differential analog negative input
14
MICP1
I
MIC 1 mono differential analog positive input
15
MICBIAS
P
Electric microphone biasing voltage
16
GND
P
Ground reference
17
DMIC_CLK
O
Digital MIC clock output
18
DMIC1_R
I
Digital MIC right input
19
DMxIC1_L
I
Digital MIC left input
20
P3_2
I/O
GPIO port P3_2
21
P2_6
I/O
GPIO port P2_6
22
ADAP_IN
P
• 5V power adapter input
• To charge the battery in the Li-ion battery powered applications
• To be used for USB Device Firmware Upgrade (DFU)
• Otherwise it can be left floating
23
BAT_IN
P
• Power supply input; voltage range: 3.2V to 4.2V
• Source can either be a Li-ion battery or any other power rail on
the host board
24
SYS_PWR
P
System power output derived from BAT_IN or ADAP_IN power
source
25
VDD_IO
P
I/O power supply, do not connect, for internal use only (connected to
LDO31_VO)
26
PWR (MFB)
I
Multi-function push button and power on key
BM83
Device Overview
© 2019 Microchip Technology Inc.
Preliminary Datasheet
DS70005402A-page 12



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