Block Diagram

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蓝牙主控
电量检测
烧录
烧录
烧录
按键
LED
LED
MOTOR MOTOR
3*AAA battery 3.3V LDO
（XC662K）
Blue Tooth BLE
ST17H62
GPIO:
LED, KEY
XTAL
2402-2480MHz
16MHz
Motor driver IC
TRA9117B
Geared motor
C7
NC
R1 0R
C6
NC
21
43
K1
PWR
ANT1
P9
TM
GND
P10
RST#
3V3
L2
10uH
C5
105
1
P34
2
P0/INT/OUT
3
P1/INT
4
P2/INT
5
P3/INT
6
TM
7
P9/TX
8
P10/RX
9
DVDD3/CHG
10
DCDC-SW
11
CP-OUT
12
VDDDEC
13
DVDD-LDO
14
P14/A2P
15
P15/A3N
16
AVDD3
17
XC1
18
XC2
19
P16/RTC/A5
20
P17/RTC/A6
21
P18
22
P20/A3P/MBO
23
RST#
24
RF
25
LNA-VDD
26
TRX-VDD
27
P23
28
P24/NO-HI
29
P25/NO-HI
30
P31
31
P32
32
P33/OUT
33
PAD1
U3
H62
XC1
NC
XC2
NC
13
4
2
Y1
16M
C2
105
C3
105
C4
103
C20
105
C22
103
C24
103
C25
103
C10
105/16V
6
O-B
5
VCC
1
IN-B
2
GND
3
IN-A
4
O-A
U1
TRA9117B
1
GND
2
OUT
3
VIN
U2
662K
C12
105/16V
C13
225
1
2
4
3
J2
1
2
4
3
J21
C8
105/16V
C1
105
LED1
BLUE
LED2
RED
R2
1K
R3
1K
Q1
3904
R4
10K
R5
620K,1%
R6
100K,1%
C11
103
B+
C9
NC
ANT-IC
KEY-PWR
LED2
GPIO-MO-A
P9-TX
3V3 3V3
VDDDEC
TESTMD
GND
P10-RX
RST#
CP-OUT
3V3
SW
DCDC-OUT
RST#
P10-RX
P9-TX
TESTMD
RST#
ANT-IC
SW
CP-OUT VDDDEC
DCDC-OUT
DCDC-OUT
XC02
XC01
3V3
KEY-PWR
3V3
GPIO-MO-B
LED1
XC01
XC02
BAT-AD
BATT+
MOTO-A
MOTO-B
BATT+
GPIO-MO-A
GPIO-MO-B
3V3
BATT+
MOTO-B
MOTO-A
BATT+
LED1
3V3
LED2
BATT+
BAT-AD
BATT+