1 2 3 4

COE1
E1 COU1
U1 COJP1
JP1 COJP2
JP2
COL1
L1 2 5 GPI36
PIE101 PIL101 PIL102 PIU102
LNA_IN SENSOR_VP/I36 PIU105 COQ1
Q1
PIE102 1.8nH SENSOR_CAPP/I37
6
PIU106
NLGPI37
GPI37 COR1
R1 PIR101 PIR102
+3.3V NLRTS
RTS 4 3 EN
EN DTR
PIJ10 PIJ201
Antenna PIC10 PIC20 EN PIU109 9
EN SENSOR_CAPN/I38
7
PIU107
NLGPI38
GPI38 10KΩ PIQ104 PIQ103
URX NLTXD
TXD
COC1
C1 COC2
C2 8 NLGPI39
GPI39 COR2
R2 UTX NLRXD
RXD
SENSOR_VN/I39 PIU108 PIR201 PIR202
+3.3V COR3
R3 COR4
R4
2.0pF 2.4pF 27
PIU1027
IO20
10KΩ NLDTR
DTRPIR302 PIR301
5
PIQ105 PIQ102
PIR402
2 PIR401
PIC302 RTS
A PIC102 PIC201 28
PIU1028
SD2/IO9/NC VDET_1/I34
10
PIU1010
NLGPI34
GPI34 COR5
R5PIR501 PIR502
+3.3V 10KΩ 10KΩ
COC3
C3 A
29
PIU1029
SD3/IO10/NC VDET_2/I35
11
PIU1011
COR6
R6 PIR601 10KΩ
PIR602
+3.3V GPIO0 PIQ106
6 1
PIC301 10uF
30 12 NLGPIO32
GPIO32 10KΩ PIQ101
PIU1030
CMD/IO11 /NC 32K_XP/IO32 PIU1012
COD1
GND GND GND 31
PIU1031
32
CLK/IO6/NC 32K_XN/IO33
13
PIU1013
14
NLGPIO33
GPIO33
NLGPIO25
GPIO25
D1
NLWAKE
WAKE
LMBT3904DW1T1G
GND PIU204 PIU203 PIU20 PIU201 PIU20 PIU2019

24
23
22
21
20
19
PIU1032
SD0/IO7 IO25 PIU1014 PID101 PID102
COU2
33 15 GPIO26 GND U2
PIU1033
SD1/IO8 IO26 PIU1015
NLGPIO27 COP1
16 GPIO27 B5819WT P1 CH9102F

TXD
DSR
DCD

RXD
+3.3V IO27

DTR

RTS
PIU1016
17 NLGPIO14
GPIO14 1
MTMS/IO14 PIU1017
NLGPIO12 GND PIP101
GND
PIR701 1 18 GPIO12 2
+3.3V PIU101
VDDA MTDI/IO12 PIU1018
+5VOUT PIP102
5VOUT
COR7 43 GPIO26 PIP103
3 1 18
R7 PIU1043
VDDA NLGPIO13 G26 PIU201
RI CTS PIU2018

PIC402 PIC502 46 20 GPIO13 GPI36 GPIO25PIP104

4 2 17
10KΩ PIU1046
VDDA MTCK/IO13 PIU1020
NLGPIO15 G36 PIU202
GND SUSPEND PIU2017

COC4 COC5 21 GPIO15 GPIO0 PIP1055 USB_DU_P 3 16

PIR702 NLEN
EN C4 C5
3
MTDO/IO15 PIU1021
22 NLGPIO2
GPIO2 6
G0
USB_DU_N
PIU203
4
D+ VPP PIU2016
15
PIC401 10uF PIC501 100nF PIU103
4
VDDA3P3 IO2 PIU1022
23 GPIO0 COR8
R8
VBAT_IN PIP106
7
BAT
VBUS
PIU204
5
D- SUSPEND PIU2015
14
PIC602 PIU104
VDDA3P3 IO0 PIU1023

24 NLHOLD GPIO4
HOLD NLGPIO4
PIR801 PIR802

10KΩ
+3.3V +3.3V COD2
D2 8
PIP107
3V3 +3.3V
6
PIU205
VIO GPIO.0 PIU2014

13
COC6
C6 IO4 PIU1024 PIP108
5VIN PIU206
VDD GPIO.1 PIU2013

PIC601 37

GPIO.3
GPIO.2
REGIN
100nF GND GND PIU1037
VDD3P3_CPU +5VIN PID202 PID201
PIC3402 PIC702

VBUS
34 NLGPIO5
GPIO5 10R STICKIO

RST
IO5 PIU1034
COC34 COC7

NC
19 38 COR9
R9 NLGPIO19
PIR901 GPIO19 SS34 C34 C7
PIU1019
VDD3P3_RTC IO19 PIU1038 PIR902
NLSCL COR10 PIC3401 100nF PIC701 100nF
39 SCL R10 10Ω
GND IO22 PIU1039 PIR1002

COR11
PIR1001
+3.3V
2.2KΩNLURX
B 26
VDD_SDIO U0RXD/IO3
40 R11 URX
PIU207 PIU208 PIU209 PIU201 PIU201 PIU201 B

7
8
9

11
10

12
PIU1026 PIU1040 PIR1101 PIR1102
PIC802 U0TXD/IO1
41
PIU1041
COR12
R12
PIR1201
0Ω
PIR1202
NLUTX
UTX
COC8
C8 49 42 NLSDA COR13
SDA R13 0Ω GND GND VBUS
PIC801 100nF
PIU1049
GND IO21 PIU1042 PIR1302 PIR1301
+3.3V
2.2KΩ
COD3
D3
PID302 PID301
+5VOUT
ESP32-PICO-V3-02 PIC902
COC9
C9 PIR1402
PESDNC2FD5VB GND GND PIC901 10uF COR14
R14
COD4
D4
PID402 PID401
NLGPIO26
GPIO26 10KΩ
+5VOUT VBAT_IN COS1
S1 COD5
D5 PIR1401
PESDNC2FD3V3B PIS101 PIS102
GPI39PID501 PID502
COD6
D6
PID602 PID601
NLGPI36
GPI36 PIC3602 PIC3702 SW-PB
COP2
P2 GND +3.3V
COC36
C36 COC37
C37 PESDNC2FD3V3B SCL +5VOUT
PIP201
1 COJ1
J1
PESDNC2FD3V3B 100nF 100nF GND SDA
COD7 NLGPIO0 PIC3601 PIC3701 COS2
S2 COD8
D8
PIP202
2 GPIO33 1 PIC3802
D7 GPIO0 PIJ101
PIN1
+5VOUT 3 GPIO32 2

PESDNC2FD3V3B

PESDNC2FD3V3B
PID702 PID701 PIP203

GPI37PID801 PIJ102
PIN2 COC38
C38
PESDNC2FD3V3B TTL 3.3V
PIS201

SW-PB
PIS202 PID802 PIP204 4
PID120 PID130 +5VOUT
PID2801
3
PIJ103
4
PIN3 100nF/25V

PESDNC2FD5VB
COD9
D9
PID902 PID901
VBAT_IN
GND GND PESDNC2FD3V3B Header 4 COD12
D12 COD13
D13
PIJ104
PIN4 PIC3801
GND GND COD28
D28 GH2.0-4P
PESDNC2FD5VB +3.3V +5VIN GND
C COD10
D10
PID1002 PID1001 +3.3V
PIC3902 PIC40 2 +3.3V PID120 PID1302 PID280
GND
GND C

PESDNC2FD3V3B COC39
C39 COC40
C40
COD11
D11 100nF 100nF PIR1602
PID1102 PID1101
+5VIN COR16
R16 GND GND
PIC3901 PIC40 1 10Ω GND
PESDNC2FD5VB +3.3V COU3
U3
GND
PIR1601 GPIO5 1
CS PIU301
GND GND COJP3 2 +3.3V
JP3 PID1402 COR17
R17 PIU302
VCC
COD14 GPIO13 3
Type-A USB D14
1N4148WT
PIR1701

0Ω
PIR1702

PIC10 2 GPIO15 PIU304

4
SCK
MOSI
PIU303

PIC1 02
COJP4
JP4
PIF101
COF1
F1
PIF102
NLVBUS
VBUS PIJ301
PID1501
COD15
D15
PID1502
+5VIN
PID1401 PILS101
COLS1
LS1 COC10
C10
NC
GPIO14 PIU305
5
GPIO12 PIU306
6
D/C
RST
PIC1 01
COC11
C11
10uF
01
PIJ4NLUSB0DU0P COJ2
J2 6V/1A/PPTC
PILS102 PIC10 1 7
PIU307
GND
USB_DU_P A6 SS34 Buzzer 8
PIJ20A6
DP1 VCC PIJ20VBUS
VLED PIU308

COR18
R18
PID160 GND
PESDNC2FD5VB

NLUSB0DU0N
USB_DU_N
B6
PIJ20B6
A7
PIJ20A7
DP2 CC1
DN1 CC2
PIJ20A5

PIJ20B5
A5
B5
PIR1801

5.1K/1%
PIR1802

COC12
C12
PIQ203 COQ2 GND GND FPC-0.5-8P
PIJ501 PID170 PID180
B7
PIJ20B7 DN2 GND PIJ20GND
COR20
R20
COD16
D16 COR19
R19
GPIO2PIR1901 Q2
+3.3V COU4
U4
PESDNC2FD3V3B

PESDNC2FD3V3B

PIR1902
PIC1201 PIC1202 PIQ201
SHELL PIJ20SHELL PIR2001 PIR2002 SS8050 Y1
D COD17
D17 COD18
D18 USB-TYPEC 5.1K/1% PID1602 470Ω
10uF PID1902 COD19
D19
1N4148WT
PIQ20 PIC1302
COC13
C13
A2
PIU40A2
VIN VOUT PIU40A1
A1
D
COJP5
JP5 B2 GPIO27
EN PIU40B2

PID1702 PID1802 GND GND GND

PID1901 PIC130
100nF
PIU40B1
B1
GND
SGM2578
GND GND GND WS4622C-4/TR
GND GND

1 2 3 4
 1 2 3 4

A +5VIN COD21
D21 A
PID2101 PID2102

PIR2102 SS34
COR21
R21
0.8Ω
PIR210
PIC1402 COQ3 COQ4
COC14
C14
PIU504 COU5
U5 VBAT_IN Q3 LP3218DT1G +VIN Q4 VBAT_OUT COR22 COL2
L2
COU6
U6
4

PIC1401 10uF TP4057 R22 1 8 COD20

D20
PIQ308
PIQ306
PIQ305
PIQ302
PIQ301 PIQ307
PIQ304
PIC1502 PIQ407
PIQ404 PIQ408
PIQ406
PIQ405
PIQ402
PIQ401
PIC1602 PIR2201 PIR2202 PIL201
LX
PIL202
PIU601
OUT PIU608

0Ω 2
3015 1.5uH PIU602 7 5.3V
VCC PIR2302 COC15
C15 PIR2402 COC16
C16 PIR30 2 PIR1501 LX OUT PIU607
PIR2502 PIC1702 PID2001 PID2002
+5VOUT
3 6
BAT PIU503
PIC1501 PIC1601 PIC1802 PIC1902 PIU606
IN
GNDPIU501
1
5
CHRG
STDBY PROG
PIU505
6
PIU506
+5VIN PIQ30 COR23
R23
100KΩ
10uF COR24
R24
100KΩ PIQ403 10uF COR30
R30
300Ω
COR15
R15
22R/1% COC18
C18 COC19
C19 3
PIU603
EN
COR25
R25
160KΩ PIC1701
COC17
C17
22uF
SS34

PIR2301 PIR2401 LP3218DT1G PIR30 1 300R PIR1502 PIC1801 22uFPIC1901 1uF

FB
5
PIU605
PIR2501
GND PIR2602 PIC20 2 GND GND
PID240A PI R101 4
PIU604
GND
PIR2702
PIU502 COR26
R26 COC20
C20 PIR2802 COD24
D24 COIR1
IR1 9
PGND
COR27
R27 GND
2

PIU609
3.3KΩPIC20 1 10uF COR28
R28 COD22
D22 IR GND GND 47KΩ
PIR2601 PIR2701
B PIR2801
100KΩ NLINT
INT PID2202 PID2201
PID240K PI R102
SY7088
B
B5819WT GND
GND GND GND
GND COS3
S3 COD23
D23 PIQ503 Vout=1.2V*(R1/R2+1) GND

PIS301 PIS302 PID2302 PID2301

NLGPIO19
GPIO19PIQ501 COQ5
Q5
SW-PB SS8050 Y1

GND PID2501 B5819WT

PIQ502 COU7
U7 COL3
L3
+3.3V
COD25
D25 PIR2902 COR31 4
IN LX
3
+3V3OUT
R31 PIU704 PIU703
PIL301 PIL302

PIR320 PIC2102 PIC2 02

WAKE
PID250
PESDNC2FD3V3B
PIQ703 COR29
R29
100KΩGND PIC2302 PIC2402 PIR3101

150KΩ
PIR3102
1
PIU701
EN 3015 4.7uH
COR32
R32 COC21
C21 COC22
C22
NLHOLD
HOLD PIQ701
COQ7
Q7 PIR2901 COC23
C23 COC24
C24 3V3EN 68KΩ PIC210 22uF PIC2 01 100nF
VBAT_IN PIC2301 100nF PIC2401 22uF 2
PIU702
GND FB
5
PIU705
PIR3201
PIR3 02
VBAT_IN PIR40 2 GND PIR3402 PIQ702 SI2302 N SOT-23 SY8089 COR33
R33 GND GND
VBAT_IN COJ3
J3 COR40
R40 COR34
R34 15KΩ
PIJ302
2
PIC3502 100KΩ 100KΩ GND GND GND PIR3 01
PIJ301
1
COC35
C35 PIR40 1 PIR3401
PIC3501 100nF NLGPI38
GPI38
C Header 2 PIR4102 PIC420 GND GND C
GND COR41
R41 COC42
C42 GND GND
GND 100KΩ PIC4201 100nF
PIR410

GND GND

+5VOUT +5VOUT

PIC2502 PIR3501
COC25
C25 COR35
R35 PIU805 COU8
U8
5

COD26
D26 10uF/10V 680K/1% GS321 +5VOUT COU9
U9 VBAT_IN
COR36
R36
NLWAKE
WAKE PID2602 PID2601
PIR3602
PIC2501
PIR3601
PIR3502 PIU801
1 COC26
C26 OSCI 1
PIU901 OSCI VDD
8
PIU908

270K/1% PID2702 PIC4102 PIC2702

COD27 4 NL3V3EN
3V3EN NLOSCI
OSCI OSCO 2 7
D27 PIU804
PILED102 GND PIC2601 PIC2602 PIU902
OSCO CLKOUT PIU907
1N4148WT 1N4148WT
PIR3702 PIU803
PIR3802
3 COLED1
LED1
GREEN
PIC410
COC41
C41
100nF 6.0pF 2PIY102 COY1 INT 3
PIU903
4
PIU904
INT
VSS
SCL
SDA
6
PIU906
5
PIU905
NLSCL
SCL
NLSDA
SDA PIC2701
COC27
C27
100nF
PID2701 COR37
R37 COR38
R38
PIU802 Y1
2

D 10KΩ 10KΩ PILED101 COC28

C28
PIY10 32.768KHz ±20ppm 12.5pF RTC8563 D
1

PIR3701 PIR3801 PIR3902 GND

GND PIC2801 PIC2802
NLOSCO
OSCO GND GND
GND COR39
R39
+5VOUT 2K/1% 6.0pF
GND GND PIR3901
+5VOUT

1 2 3 4
 1 2 3 4

A A

+3.3V +3.3V +3.3V

COU10
U10
B 12 13 B
PIU10012
INT VDD PIU10013
22 8
NLSCL
PIU10022
CS VDDIO PIU1008
SCL 23
NLSDA
PIU10023
SCL/SCLK
SDA 24
PIU10024
SDA/SDI
9 10
PIU1009
AD0/SDO REGOUT PIU10010
18
PIU10018
GND FSYNC
11
PIU10011
PIC2902 PIC30 2 PIC3102 PIC320
COC29
C29 COC30
C30 COC31
C31 COC32
C32
MPU-6886 100nF/25V 10nF/25V 2.2uF/10V 100nF/25V
I2C Addr(7-bit) : 0x68 PIC2901 PIC30 1 PIC310 PIC3201
GND

GND GND GND GND

COU11
U11 +3.3V
1 6
PIU1101
GND 3V3 PIU1106
PIC3 02
2 5 NLGPI34
GPI34 COC33
PIU1102 SELECT DAT PIU1105 C33
3 4 NLGPIO0
GPIO0 100nF/25V
PIU1103
GND CLK PIU1104

C PIC3 01 C
SPM1423HM4H-B

GND GND

D D

1 2 3 4