Figure 7-21. Stereo AUX Line Input, Audio Headset Output, Audio Board Interface
HPL
HPR
AOHPM
AOHPM
AOHPL
AOHPR
AOHPL/R Stereo
Output Jack
AUDIO HEADSET OUTPUT
1
2
HDR-2.54 Male 1x2
JP501
1 2
HDR-2.54 Male 1x2
JP503
0R
0603
DNP
R509
0R
0603
DNP
R507
0.1uF
0603
DNP
C520
0.1uF
0603
DNP
C515
1
TP502
1
TP505
5
1
4
3
2
JACK Stereo Phone 3.5mm
P503
68uF
6.3V
TANT-B
C517
68uF
6.3V
TANT-B
C519
Shunt 2.54mm 1x2
JP505
Shunt 2.54mm 1x2
JP507
AUDIO_BOARD_INTERFACE
GND
0.1uF
50V
0603
C510
0.1uF
50V
0603
C511
0.1uF
50V
0603
C512
0.1uF
50V
0603
C509
GND
GND
GND
NOTE: PWR Voltage range +9 to +15V
HCI_RXD
GND
SCL_DSP
SDA_DSP
SCL
SDA
DT1_DSP
DR1_DSP
15V_DC_IN
5V_DC
3V3_GEN
GND
GND
MCLK1_DSP
SCLK1_DSP
RFS1_DSP
P3_7
HCI_TXD
P3_4
RX
TX
CTS
RTS
RFS1
DR1
DT1
SCLK1
MCLK1
SLEEP_N_DSP
DSP_IRQ_N
DSP_IC_N_DSP
RST(P0_0)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
HDR-2.54 Male 2x10
J500
1
2
3
4
5
6
7
8
9
10
11
12
HDR-2.54 Male 2x6
J501
MUTE_N_DSP
PROT_N_DSP
GND
GND
AIR
AIL
LINE_IN_DET
STEREO AUX LINE INPUT
0.1uF
16V
0603
C508
10uF16V
0805
C503
10uF16V
0805
C505
5V
DNP
D500
5V
DNP
D501
5V
SOD-882
DNP
D502
1K
0603
R502
1K
0603
R503
10k
0603
1%
R501
10k
0603
1%
R504
470pF
50V
0603
C501
470pF
50V
0603
C507
4
1
10
3
2
CON JACK PHONE 3.5mm TSH-386D
P501
Figure 7-22. Temperature Sensor
AMB_DET
NCP15WF104F03
(Thermistor)
86.6k
0603
1%
R322
-t
100k
0402
1%
TH300
0.1uF
16V
0603
C303
1 2
HDR-2.54 Male 1x2
JP302
1
2
HDR-2.54 Male 1x2
JP301
1uF
16V
0603
C304
1M
0603
1%
R321
VDD_IO
SK1_AMB_DET
Shunt 2.54mm 1x2
JP312
Shunt 2.54mm 1x2
JP313
BM83 EVB
Appendix A: BM83 EVB Reference Schematics
©
2019 Microchip Technology Inc.
User Guide
DS50002902A-page 53
