5 4 3 2 1

VDD_4V

DBG_TXD
I2C1_SDA
D1 DBG_RXD
C1 C2 C3 C4 C5 C6 C7 C8 I2C1_SCL
J1

天线
4V3 10uF 100nF 33pF 10pF 10uF 100nF 33pF 10pF SMA
SOD123 C0805 C0805 ANT_4G R1 0R 4G SMA-KW E
C9 C10

106

105
xpF xpF

72

71

70

69

68
C0402 C0402
98

44

43

42

41

40

39

38

37

36

97

I2C1_SDA

I2C1_SCL

GRFC1
RESERVED10

GND16

GND15

GND14
DBG_RXD
RESERVED4

RESERVED3

RESERVED2
GND9

GND8

DBG_TXD

GND7

GND6
VBAT2

VBAT1

J2 99 104
D
RF_3P/NC RESERVED5 GRFC2 D
2 45 67
1 35 1 GND10 I2C2_SCL I2C2_SCL
GND1 ANT_MAIN 3 46 66
2 34 GND11 I2C2_SDA I2C2_SDA
ANT_GNSS GND5 47 65
MIC_P 3 33 PCM_DOUT T1 GND12 USIM2_VDD
MIC_P PCM_DOUT 48 64
MIC_N 4 32 PCM_DIN T2 GND13 U1B USIM2_DATA
MIC_N PCM_DIN 49 EC800M-CN_QuecOpen 63
SPK_P 5 31 PCM_SYNC T3 LCD_RST USIM2_RST
SPK_P PCM_SYNC 50 62
SPK_N 6 30 PCM_CLK T4 LCD_SPI_DOUT USIM2_CLK
SPK_N U1A PCM_CLK 51 61
GPIO_3 LCD_SPI_RS USB_VBUS VBUS
R4 4.7K PW RKEY 7 EC800M-CN_QuecOpen 29
PWRKEY AUX_TXD I2C_INT 2 USB_DM
R0603 52 60
8 28 GPIO_2 LCD_SPI_CS USB_DM
CAM_VDD AUX_RXD 12V_EN 2

CAM_SPI_DATA0

CAM_SPI_DATA1
53 59 USB_DP
LCD_SPI_CLK USB_DP

CAM_I2C_SDA
CAM_I2C_SCL
9 27
ADC0 GND4

RESERVED7

RESERVED8
100 103

CAM_MCLK
10 26 RESERVED6 RESERVED9
GND2 RESERVED1
USIM_DATA 11 25 CPU_STATUS
USIM1_DATA STATUS
USIM_RST 12 24
USIM1_RST VDD_EXT VDD_EXT

101

102
54

55

56

57

58
USIM_CLK 13 23 C11 C12 R88
NET_STATUS

USIM1_CLK MAIN_RTS
USIM1_VDD

ESD
MAIN_DCD
MAIN_RXD

MAIN_DTR
MAIN_TXD

MAIN_CTS
RESET_N

2.2uF 100nF
MAIN_RI

RV
GND3

ADC1

UART电平转换
R0402
95

14

15

16

17

18

19

20

21

22

96

VDD_3V3 VDD_EXT

C U1C C
USIM_VDD GPIO_53 UART3_TXD
R5 R6 R7 73 88
4.7K C13 4.7K 10K T5 RESET_N GPIO_54 UART3_RXD GND17 GND18
74 87
1nF NET_STATUS GPIO_124 KP_MKOUT[5] KP_MKIN[1]
R0603 C0603 R0603 R0603 75 86
4G_RXD GPIO_31 KP_MKIN[5] KP_MKOUT[1]
76 85
1

L8050HQLTIG 4G_TXD GPIO_27 KP_MKOUT[2] KP_MKOUT[3]

Q1 SOT23_GSD 77 84
2 3 T6 4G_RXD KP_MKIN[2] KP_MKIN[3]
1,2 4GUART_RX 78 83
LCD_TE KP_MKIN[4]
3 2 T7 4G_TXD 79 82 USB_BOOT
1,2 4GUART_TX USIM1_DET USB_BOOT/KP_MKOUT[4]
R8 Q2 L8050HQLTIG 80 81
10K SOT23_GSD CAM_SPI_CLK CAM_PWDN
1

R9 4.7K VDD_EXT
107
R0603 R0603 RESERVED11
C14 1nF 108 109
C0603 RESERVED12 RESERVED13
VDD_3V3
EC800M-CN_QuecOpen

U1D

USB下载调试口
89 94
GND19 GND24
90 93
GND20 GND23
J3 91 92
1 R10 0R DBG_TXD GND21 GND22
2 R11 1K DBG_RXD
3
B B
R86 R87 EC800M-CN_QuecOpen
CON3/NC ESD ESD
SIP3-100
RV RV
R0402 R0402 U52 MS0
USIM_VDD 8
VDD 4
USIM_RST R12 0R 7 NC1 5
SW 1 RST NC2 9
R14 4.7K USB_BOOT USIM_CLK R13 0R 6 EPAD
R0603 sw2_3x6mm CLK
R17 USIM_DATA R15 0R
ESD R16 15K 2 1
I/O1 VSS

433模块
3
RV C15 C16 I/O2
R0402 C17 C18 C19

贴片SIM卡
100nF 33pF
C0603 C0603 33pF 33pF 33pF
C0603 C0603 C0603
SW 2

SIM卡及指示灯
SK12D07VG5 J6
R22 10K 3SK12D07VG5 VDD_3V3 RF_3P/NC J7
VDD_EXT GPIO_124
2 J5 2 SMA
1 1 7 ant-433 1 R85 0R SMA-KW E LED_NET 2
VCC ANT
3

2 8 3 C54 C55
1,2 4GUART_TX 3 RXD EPAD
D

xpF xpF Q3
1,2 4GUART_RX 433_SET 4 TXD NET_STATUS R23 4.7K 1 AO3400
433_CS SET
S

5 C0402 C0402 R0603 G SOT23_GSD

2

6 CS R24 47K
GND R0603
LING-TR-433/NC

433_SET
J8
LED_CPU 2
3

G1 MICRO USB AB 5
3
D

MICRO-USB-5P-4D Q4
1 GPIO_31 1
D

VBUS R25 4.7K AO3400 Q5

5V

CPU_STATUS
S

A R0603 G SOT23_GSD R26 4.7K 1 AO3400 A

2

USB_DM
S

2 R27 47K R0603 G SOT23_GSD

D-

R0603 VDD_3V3 R28 47K

3 USB_DP R0603
D+

433_CS
4
ID

C20 C21
5
D

Q6
G

R30 R31 R32 GPIO_27 R29 4.7K 1 AO3400 10uF 100nF

S

G2 C22 ESD ESD ESD R0603 G SOT23_GSD C0805 C0603

2

R33 47K
S1
S2
S3
S4

100nF RV RV RV R0603
C0603 R0402 R0402
R0402 Title
<Title>

Size Document Number Rev

C <Doc> <RevCode>

Date: Tuesday, June 13, 2023 Sheet 1 of 3

5 4 3 2 1
 5 4 3 2 1

VDD_1V8 R2 4.7K
IIC IO扩展 R34

R0603
R3 4.7K
R0603 4.7K
R37 10K U3 F1 5V/0.5A RS485-B
U2 MAX485 VDD_3V3 R0805
22 4 IN_P00 R35
I2C2_SCL 23 SCL P00 5 IN_P01 1 8
I2C2_SDA SDA P01 6 IN_P02 1 4GUART_RX RO VCC
P02 7 IN_P03 R36 10K 2 7
P03 IN_P04 VDD_3V3 RE B
1 8 120R/NC
1 I2C_INT INT P04 9 IN_P05 3 6 F2 5V/0.5A RS485-A
21 P05 10 IN_P06 DE A R0805
2 A0 P06 11 IN_P07 4 5 R38 D2 D3
D
3 A1 P07 DI GND D
A2 13 OUT_P10 C23

3
P10 14 OUT_P11 Q7 100nF SMBJ5.0CA
SMBJ5.0CA
24 P11 15 OUT_P12 R39 10K 1 L8050HQLTIG C0603 4.7K SMB SMB
VDD_1V8 VDD P12 OUT_P13 1 4GUART_TX
16 SOT23_GSD
P13 17 OUT_P14

2
P14 18 OUT_P15 D4
P15 19 OUT_P16
12 P16 20 OUT_P17
VSS P17 1N5819
PCA9555APW

VDD_3V3

IN_P00 D5 GREEN R40 10K DC_INF

D0603 R0603
3

D6 1N5819
D

Q8
LOCK_SIG1 R41 10K 1 AO3400 LOCK_RTN1
S

RS485接口电路
G SOT23_GSD
2

锁控电路及接口
R42 4.7K
D

R0603 Q9
C26 100nF OUT_P10 1 AO3400
S

C0603 G SOT23_GSD
2

R43 47K
R0603

IN_P01 D7 GREEN R44 10K DC_INF

D0603 R0603
3

D8 1N5819
D

Q10 VDD_3V3
LOCK_SIG2 R45 10K 1 AO3400 LOCK_RTN2 J10
S

C G SOT23_GSD RS485-A 1 15 C
2

R46 4.7K RS485-B 2 1 GP 16 R47 1K

2 GN LED_NET 1
D

R0603 Q11 3 R0603

C27 100nF OUT_P11 1 AO3400 4 3
4
S

C0603 G SOT23_GSD 5
2

R48 47K 6 5
R0603 7 6 13
F5 1.5A/15V 8 7 YP 14 R49 1K

10
11
12
VIN_12V 8 YN LED_CPU 1

9
F1812 R0603
IN_P02 D9 GREEN R50 10K RJ45-LED R51
DC_INF

9
10
11
12
D0603 R0603 RJ45-LED ESD
3

D10 1N5819
RV
D

Q12
LOCK_SIG3 R52 10K 1 AO3400 LOCK_RTN3 R0402
S

G SOT23_GSD
2

R53 4.7K
D

R0603 Q13
C28 100nF OUT_P12 1 AO3400
S

C0603 G SOT23_GSD
2

R54 47K
R0603

IN_P03 D11 GREEN R55 10K DC_INF DC_INF

D0603 R0603 J11
3

D12 1N5819
LOCK_RTN1
D

Q14 1 2
LOCK_SIG4 R57 10K 1 AO3400 LOCK_RTN4 LOCK_SIG1 3 4
LOCK_RTN2
S

G SOT23_GSD 5 6
2

R56 4.7K LOCK_SIG2 7 8

LOCK_RTN3
D

R0603 Q15 9 10
C29 100nF OUT_P13 1 AO3400 LOCK_SIG3 11 12
LOCK_RTN4
S

C0603 G SOT23_GSD 13 14
2

R58 47K LOCK_SIG4 15 16

R0603 LOCK_RTN5 17 18
LOCK_SIG5 19 20
LOCK_RTN6 21 22
IN_P04 D13 GREEN R59 10K LOCK_SIG6 23 24
B DC_INF LOCK_RTN7 B
D0603 R0603 25 26
3

D14 1N5819 LOCK_SIG7 27 28

LOCK_RTN8
D

Q16 29 30
LOCK_SIG5 R60 10K 1 AO3400 LOCK_RTN5 LOCK_SIG8 31 32
S

G SOT23_GSD
2

R61 4.7K
D

R0603 Q17 PHB-2X16L

C30 100nF OUT_P14 1 AO3400 PHB-2X16L
S

C0603 G SOT23_GSD
2

R62 47K
R0603

IN_P05 D15 GREEN R63 10K DC_INF

D0603 R0603
3

D16 1N5819
D

Q18
LOCK_SIG6 R64 10K 1 AO3400 LOCK_RTN6
S

G SOT23_GSD
2

R65 4.7K
D

R0603 Q19
C31 100nF OUT_P15 1 AO3400
S

C0603 G SOT23_GSD
2

R66 47K
R0603 D17 SM340A F3 1.5A/15V
DO-214AC F1812
Q20 8
IN_P06 D18 GREEN R67 10K 3 7
DC_INF
D0603 R0603 2 6
3

D19 1N5819 1 5 F4 1.5A/15V

VIN_12V DC_INF
D

Q21 APM9435 F1812

LOCK_SIG7 LOCK_RTN7
G

R68 10K 1 AO3400 12V SOIC-8P_6X5MM D20

S

G SOT23_GSD C32
2

R69 4.7K R70 10K 4

D

R0603 Q22 SMBJ24CA

470nF/50V
C33 100nF OUT_P16 1 AO3400 R71 10K SMB C1206
3
S

C0603 G SOT23_GSD
2

A R72 47K Q23 A

R0603 1 AO3400
1 12V_EN
S

G SOT23_GSD
2

R73 47K
IN_P07 D21 GREEN R74 10K R0603
DC_INF
D0603 R0603
3

D22 1N5819
D

Q24
LOCK_SIG8 R75 10K 1 AO3400 LOCK_RTN8
S

G SOT23_GSD
2

R76 4.7K
D

R0603 Q25
C34 100nF OUT_P17 1 AO3400 Title
S

C0603 G SOT23_GSD <Title>

2

R77 47K
R0603 Size Document Number Rev
C <Doc> <RevCode>

Date: Tuesday, June 13, 2023 Sheet 2 of 3

5 4 3 2 1
 5 4 3 2 1

D23 1N5819

支持12V\24V电源输入
SOD123

C35 100nF
C0603 L1 实际输出4V VDD_4V

8
VIN_12V VDD_12V U4 10uH
J12

BST
VDD_4V
1 T8 D24 SM340A T9 7 1 T10
DO-214AC VIN SW L10X10MM
D D
3 D25 R78 R79
2 C36 + C37 + C38 C39 C40 68K D26 SM340A 160K R80
DC-005 DO-214AC 10K
DC-005_5MM 1nF/2KV SMBJ24CA 22uF/35V 22uF/35V 100nF 100nF C41 C42 C43 C44 C45 C46
C1206 SMB C1210 C1210 C0603 C0603 R0603 R0603 + + +
2 4 10uF 100nF 100nF R0603
EN FB 100uF 100uF 100uF C0805 C0603 C0603
6 3 C47 220pF R81 C3528 C3528 C3528 D27
FRE COMP

电源
C0603 40.2K GREEN
GND
PAD

R82 R83 R84

47K 47K 68K T11
MP4462DN R0603 T12 D0603
9
5

SOP8-50-150B T13
R0603 R0603 R0603

输出电压计算方法:
Vout=Vfb (R1+R2)/R2
Vfb=0.8V

VDD_4V
3.3V/0.3A VDD_3V3
U5
1 5 T14
M1 M3 M2 VIN VOUT
C C56 C57 3 4 C
marker marker marker EN BYP C48 C49 C50
marker marker marker 2.2uF 100nF
C0603 C0603 2 100nF 2.2uF 100nF
GND C0603 C0603 C0603
SGM2019-3.3YN5G
SOT23-5

VDD_4V
1.8V/0.3A VDD_1V8
U6
1 5 T15
VIN VOUT
C58 C59 3 4
EN BYP C51 C52 C53
2.2uF 100nF
C0603 C0603 2 100nF 2.2uF 100nF
GND C0603 C0603 C0603
SGM2019-1.8YN5G
SOT23-5

B B

A A

Title
ZHONGKERD

Size Document Number Rev

C <Doc> V01

Date: Tuesday, June 13, 2023 Sheet 3 of 3

5 4 3 2 1