1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
K
K
J
J
I
I
H
H
G
G
F
F
E
E
D
D
C
C
B
B
A
A
DSP-Microcontroler
Section:
Product(s):
DSP-Microcontroler.SchDoc
M2000
5
12
Sheet
Of
PCB#:
Rev#:
Modified:
V01P9
File:
2021-06-15
EXMMobile8
EML Rev#:
01
Tmp Rev:
V031
0805
C271
MMBT3906LT1
7805
3
2
1
Q10
+1V8 SUPPLY
28/56-BIT, 50 MHz
AUDIO PROCESSOR CORE
40 ms DELAY MEMORY
+3V3 DSP
AGND
AGND
AGND
AGND
1K02
0603
R433
475R0
0805
R431
1206
C263
1206
C278
1206
C267
1206
C270
1206
C282
18K2
0805
R445
AGND
0603
C268
0603
C269
0603
C277
0603
C266
0603
C265
0603
C264
0603
C262
0603
C272
+3V3
47R
0805
R452
F0805
L14
AGND
1206
C285
+3V3
F0805
L15
1206
AGND
47R
0805
R434
47R
0805
R435
/RESET_DSP
SPI_MISO
SPI_CLK
R448
GND_DSP
100K0
0805
R440
4K99
0805
R442
AGND
0805
C
2
7
9
0805
C280
47R
0805
R441
AGND
1210
C274
3K92
0805
R436
3K92
0805
R437
0805
C275
C273
AGND
3K92
0805
R449
3K92
0805
R450
0805
C286
C283
AGND
3K92
0805
R455
3K92
0805
R456
0805
C289
C287
1210
C284
1210
C288
20K5
0805
R432
20K5
0805
R447
20K5
0805
R454
OutGnd
OutGnd
OutGnd
OutGnd
1K02
0603
R444
4K99
0805
R443
+3V3_uC
+3V3_uC
X1
X2
GND_LINK
C254
C255
0805
C238
0805
C260
VREFH
VREFL
VREFH
+3V3_uC
MASTER
W12
Micro_Pgm
0603
C253
0603
C257
100R
0805
R430
0603
C259
0603
C261
Connect N1 & N2 for I2C when using USBi
+3V3
47R
0805
R
4
2
5
47R
0805
R427
F0805
L13
1K02
0603
R424
AGND
AGND
N43
N44
VREFL
N41
UART1_TX
0603
C256
W10
N_1
N_2
N_3
N_4
N_5
MCLK
+24V_
+Vr_
Master Sig
U29
0805
C39
0805
C169
+3V3
AGND
+5V_
10K
MASTER
4434
P10:1
B
10K
.
4434
P10:2
+3V3 DSP
MASTER SECTION
+Vr_
W7B:1
W7B:2
W7B:3
Horn output_
Mid output_
WOOFER output_
W6B:1
Bat_Gnd_
N23
N46
N45
N48
BLU
BT_Status
LD6
MOMENTARY
U
P
D
O
W
N
BT_Pair
S2:1
N16
N15
N11
N12
N10
BT_DGnd
B
lu
e
T
o
o
th
S
e
c
ti
o
n
W5B:1
W5B:2
W5B:3
W5B:4
W5B:5
W5B:6
W5B:7
W5B:8
W5B:9
W5B:10
W5B:11
W5B:12
N22
N19
47R
0805
R95
47R
0805
R100
47R
0805
R114
+5V_
100R
0805
R173
UART_TX_IND
LRCLK
BCLK
DATA
PO_4
RST_N
BT-EN
UART_RX
UART_TX
BCLK
LRCLK
DATA
UART_TX_IND
BT-EN
RST_N
PO_4
UART_RX
UART_TX
SPI_CLK
SPI_MISO
BluTth
MID-HI--Amp SECTION
Low Frequency Amp SECTION
BT-GND_
BT_DGnd
SOD123
4V7
D19
SOD123
4V7
D18
4M7
0805
R140
0805
C93
PMLL4148
SOD80
D20
0805
C94
47K5
0805
R262
100K0
0805
R279
0805
C40
100K0
0805
R102
100K0
0805
R103
0805
C38
100K0
0805
R323
100K0
0805
R322
0805
C186
0805
C185
+VSw_
+VSw_
100K0
0805
R105
475K
0805
R237
4K99
0805
R97
M
L
L
4
1
4
8
SOD80
D7
PMLL4148
SOD80
D13
0805
C33
1K02
0603
R104
Wake-
Wake+
Wake Sig
N33
W6B:5
SLEEP OUT_
AGND
AGND
AGND
AGND
W5A
1/12
2/12
3/12
4/12
5/12
6/12
7/12
8/12
9/12
10/12
11/12
12/12
W5B
N42
N53
N54
N55
N59
7
7
7
7
W7A
W6A
3
1
2
1
Bat_Gnd_
7
W6A
5
W6B:2
+VSw_
N47
2
2
N8
W7B:4
Bat_Gnd_
7
W7A
4
AGND
BLU
BT_Status
7030
LD11
100R
0805
R115
475R0
0805
R179
475R0
0805
R180
GRN
POWER
7031
LD13
7031
LD12
TOP
BOTTOM
PMLL4148
SOD80
D14
W7B:5
N20
7
W7A
5
NC
NC
1210
C117
1210
C123
3K92
0805
R234
3K92
0805
R240
0805
C126
20K5
0805
R248
C134
10K0
0805
R231
2K49
0603
R230
AGND
BT OUT
MonoChannel3 SECTION
AGND
100K0
0805
R270