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
Microcontroller
Section:
Product(s):
Microcontroller.SchDoc
P8802
5
8
Sheet
Of
PCB#:
Rev#:
Modified:
V01p0
File:
2018-06-06
EF15P-EF12P-EF10P
EML Rev#:
01
Tmp Rev:
V031
LQFP64
U3
+3V3_uC
X1
X2
C30
0603
C31
C28
0805
C26
0805
C36
SPI_CLK
SPI_MISO
SS_DSP
SPI_MOSI
VREFH
VREFL
RESET_DAC
RESET_DSP
BT_UART_RX
BT_UART_TX
VREFL
VREFH
+3V3_uC
P1:2
M
A
S
T
E
R
MCLK
W5
MicroPgm
+3V3_uC
W4:1
W4:2
W4:3
W4:4
W4:5
W4:6
W4:7
W4:8
W4:9
W4:10
C29
0805
C27
475R0
0805
R24
0603
C33
100R
0805
R27
/RESET_BLE
SS_DAC
384kHz
475R0
0805
R23
1K800
0805
R19
0603
C35
C37
SOT-23
D6
0805
C34
+15V
WOOF_CLK
C32
Connect N1 & N2 for I2C when using USBi
+3V3
47R
0805
R25
47R
0805
R26
47R
0805
R21
47R
0805
R22
F0805
L4
3K32
0805
R129
.
SOT-23
.
SOT-23
.
SOT-23
Q11
1K02
0805
R137
10K0
0805
R134
10K0
0805
R135
10K0
0805
R136
Sub_Switch
BT_Switch
Mode_Switch
Mode_R
Mode_G
Mode_B
Switch_Gnd
R
1
4
7
+24vIN
LM2671
7890
120uH
2910
L9
2K2
0805
R45
0805
C55
0805
C54
C56
403D
MBRA340T3
D24
C57
2.2UH
7730
L8
+3V3
22R
1206
R156
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
N1
N2
100R
0805
R170
.
2N7002
7986
.
Q13
.
2N7002
7986
10K0
0805
R173
10K0
0805
R171
10K0
0805
R172
B
T
_
R
B
T
_
G
BT_B
DGND
W5_
MicroPgm
0805
C140
1R0
1206
R194
74LVC1G80
ClipIn
LimitIn
ClipLED
LimitLED
ClipLED
LimitLED
ClipIn
LimitIn
+88VSense
N6
74LVC1G80
96kHz
DNS
+3V3