Schematics

VDD_Reg
1
V33_Reg
2
VSS_Reg
3
VPP
4
EPM
5
VCOIN
6
RSTB
7
Test
8
VSS_ADC
9
V33_ADC
10
VMIC
11
VADRef
12
AGC
13
OPI
14
MICOUT
15
MICN
16
MICP
17
IOB0
18
IOB1
19
IOB2
20
IOB3
21
VDD_IOB
22
IOA0
23
IOA1
24
IOA2
25
IOA3
26
IOA4
27
IOA5
28
IOA6
29
IOA7
30
VSS_IO
31
VDD_IOA
32
IOA8
33
IOA9
34
IOA10
35
IOA11
36
IOA12
37
IOA13
38
IOA14
39
IOA15
40
VSS_PDAC
41
AUDP
42
VDD_PDAC
43
AUDN
44
VSS_PDAC
45
VSS_DAC
46
VDD_DAC
47
ACIN
48
U1
13541 MCU
C1
12pF
Y1
12M
C2
12pF
80MM
ANT
L1
1nH
R2
100R
LED1
C15
104P
+3V3
R1
3K3
C7
104P
C6
332P
VCOIN
C8
104P
RSTB
C11
104P
VARef
R3
510K
R4
10K
C12
4.7uF
AGC
C13
472P
C14
224P
OPI
MOut
RSTB
VCOIN
VARef
AGC
OPI
MOut
VMIC
MICN
MICP
+3V3
LED1
VDD
+3V3
C9
10uF
C10
104
MOSI MISO
CLK
Demo
SW
FCC
EPM
VPP
SPK
50MM 8R 0.5W
BT
2A*3
C16
470uF/16V
F_Flag
1
CE
2
SPI_CSN
3
SPI_CLK
4
MOSI
5
MISO
6
PKT
7
VDD
8
MONIp
9
XTALO
10
XTALI
11
VSS
12
ANT
13
ANTB
14
VSS
15
VSS
16
U2
13541-2.4G RF
CE
CSN
CLK
MOSI
MISO
PKT
C5
0.5pF
VDD
CE
CSN PKT
LED1
SW
18
27
36
45
U3
PC701220
C19
104P
Back
FOR
1
2
M1
Motor
D1
0R
VCC
C17
470uF/10V
VCC
FOR
Back
LED2
LED2
ON/Tryme
SS12D02G5
YELLOW
YELLOW
+3V3
TEST-LED
FCC
FCC
TEST:
TEST-LED
R7
10R
R8
10R
R6
1K
R5
1K
C18
104P
C20
104P