Neoway N58 Installation manual
Hardware User Guide
Issue 2.2 Date 2020-11-05
N58 Hardware User Guide
Copyright
Copyright © Neoway Technology Co., Ltd
i
Copyright © Neoway Technology Co., Ltd 2020. All rights reserved.
No part of this document may be reproduced or transmitted in any form or by any means without prior written
consent of Neoway Technology Co., Ltd.
is the trademark of Neoway Technology Co., Ltd.
All other trademarks and trade names mentioned in this document are the property of their respective
holders.
Notice
This document provides a guide for users to use N58.
This document is intended for system engineers (SEs), development engineers, and test engineers.
THIS GUIDE PROVIDES INSTRUCTIONS FOR CUSTOMERS TO DESIGN THEIR APPLICATIONS.
PLEASE FOLLOW THE RULES AND PARAMETERS IN THIS GUIDE TO DESIGN AND COMMISSION.
NEOWAY WILL NOT TAKE ANY RESPONSIBILITY OF BODILY HURT OR ASSET LOSS CAUSED BY
IMPROPER OPERATIONS.
THE INFORMATION IN THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE DUE TO
PRODUCT VERSION UPDATE OR OTHER REASONS.
EVERY EFFORT HAS BEEN MADE IN PREPARATION OF THIS DOCUMENT TO ENSURE ACCURACY
OF THE CONTENTS, BUT ALL STATEMENTS, INFORMATION, AND RECOMMENDATIONS IN THIS
DOCUMENT DO NOT CONSTITUTE A WARRANTY OF ANY KIND, EXPRESS OR IMPLIED.
Neoway provides customers complete technical support. If you have any question, please contact your
account manager or email to the following email addresses:
Website: http://www.neoway.com
N58 Hardware User Guide
Contents
Copyright © Neoway Technology Co., Ltd
ii
Contents
About This Document ..................................................................................vii
Scope ................................................................................................................................................vii
Audience ...........................................................................................................................................vii
Change History..................................................................................................................................vii
Conventions .....................................................................................................................................viii
Related Documents..........................................................................................................................viii
1 About N58..................................................................................................9
1.1 Product Overview......................................................................................................................... 9
1.2 Block Diagram............................................................................................................................ 10
1.3 Basic Features ............................................................................................................................11
2 Module Pins.............................................................................................13
2.1 Pad Layout ................................................................................................................................. 13
2.2 Pin Description ........................................................................................................................... 14
3 Application Interfaces ..............................................................................22
3.1 Power Interface .......................................................................................................................... 22
3.1.1 VBAT.................................................................................................................................. 22
3.1.2 VDD_1P8........................................................................................................................... 25
3.2 Control Interfaces....................................................................................................................... 25
3.2.1 PWRKEY_N ...................................................................................................................... 25
3.2.2 RESET_N .......................................................................................................................... 28
3.2.3 PSM_WAKEUP ................................................................................................................. 29
3.3 Peripheral Interfaces .................................................................................................................. 30
3.3.1 USB................................................................................................................................... 30
3.3.2 UART................................................................................................................................. 31
3.3.3 USIM.................................................................................................................................. 33
3.3.4 SDIO.................................................................................................................................. 34
3.3.5 SPI..................................................................................................................................... 36
3.3.6 I2C ..................................................................................................................................... 36
3.4 Audio Interface ........................................................................................................................... 37
3.4.1 Analog Audio Input Interfaces............................................................................................ 37
3.4.2 Analog Audio Output Interfaces......................................................................................... 38
3.5 LCD and CAM Interfaces ........................................................................................................... 40
3.5.1 LCD ................................................................................................................................... 40
3.5.2 Camera.............................................................................................................................. 41
3.6 Other Interfaces ......................................................................................................................... 41
3.6.1 ADC ................................................................................................................................... 41
3.6.2 DTR ................................................................................................................................... 42
3.6.3 NET_LIGHT....................................................................................................................... 44
3.6.4 RING.................................................................................................................................. 45
3.6.5 USB_BOOT ....................................................................................................................... 45
N58 Hardware User Guide
Contents
Copyright © Neoway Technology Co., Ltd
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3.6.6 VRTC_GPS and VRTC ..................................................................................................... 46
3.6.7 GPIO.................................................................................................................................. 47
3.6.8 GNSS Enable Interface ..................................................................................................... 47
3.6.9 Keypad Interfaces.............................................................................................................. 47
3.6.10 1PPS ............................................................................................................................... 48
3.7 RF Interface................................................................................................................................ 48
3.7.1 ANT Interface..................................................................................................................... 48
3.7.2 ANT_GNSS Interface ........................................................................................................ 50
3.7.3 ANT_BT and ANT_WLAN Interface .................................................................................. 52
3.7.4 Antenna Assembling.......................................................................................................... 52
4 Electric Feature and Reliability ................................................................55
4.1 Electric Features ........................................................................................................................ 55
4.2 Temperature Features................................................................................................................ 55
4.3 ESD Protection........................................................................................................................... 56
5 RF Features.............................................................................................57
5.1 Operating Bands ........................................................................................................................ 57
5.2 TX Power and RX Sensitivity ..................................................................................................... 58
5.3 GNSS Features.......................................................................................................................... 59
5.4 WLAN/BT Features .................................................................................................................... 60
6 Mechanical Features ...............................................................................61
6.1 Dimensions................................................................................................................................. 61
6.2 Label........................................................................................................................................... 61
6.3 Packing....................................................................................................................................... 62
6.3.1 Reel ................................................................................................................................... 62
6.3.2 Moisture............................................................................................................................. 64
7 Mounting N58 Onto Application PCB.......................................................65
7.1 Bottom Dimensions .................................................................................................................... 65
7.2 Application Foot Print ................................................................................................................. 66
7.3 Stencil......................................................................................................................................... 66
7.4 Solder Paste............................................................................................................................... 67
7.5 SMT Furnace Temperature Curve.............................................................................................. 67
8 Safety Recommendations .......................................................................69
Conformity and Compliance ....................................................................70
A.1 Approvals ................................................................................................................................... 70
A.2 Chinese Notice........................................................................................................................... 70
A.2.1 CCC Class A Digital Device Notice ................................................................................... 70
A.2.2 Environmental Protection Notice....................................................................................... 70
A.3 EU Notice................................................................................................................................... 70
A.3.1 CE Class A Digital Device Notice...................................................................................... 70
A.3.2 Environmental Protection Notice....................................................................................... 70
BOM ........................................................................................................71
Abbreviation ............................................................................................72
N58 Hardware User Guide
Table of Figures
Copyright © Neoway Technology Co., Ltd
iv
Table of Figures
Figure 1-1 Block Diagram ................................................................................................................ 10
Figure 2-1 N58 pin definition............................................................................................................ 13
Figure 3-1 Recommended design 1................................................................................................. 23
Figure 3-2 Recommended design 2................................................................................................. 23
Figure 3-3 Recommended design 3................................................................................................. 24
Figure 3-4 Reference design of startup controlled by button........................................................... 26
Figure 3-5 Reference design of startup controlled by MCU............................................................. 26
Figure 3-6 Reference design of automatic start once powered up.................................................. 26
Figure 3-7 Startup process............................................................................................................... 27
Figure 3-8 Shutdown Process.......................................................................................................... 28
Figure 3-9 Reset controlled by button.............................................................................................. 28
Figure 3-10 Reset circuit with triode separating............................................................................... 29
Figure 3-11 N58 reset process......................................................................................................... 29
Figure 3-12 USB connection ............................................................................................................ 30
Figure 3-13 UART connection.......................................................................................................... 32
Figure 3-14 Recommended level shifting circuit.............................................................................. 32
Figure 3-15 Reference design of USIM card interface..................................................................... 33
Figure 3-16 SDIO connection........................................................................................................... 35
Figure 3-17 SPI connection.............................................................................................................. 36
Figure 3-18 Reference design of differential MIC input ................................................................... 37
Figure 3-19 Schematic of differential SPK output ............................................................................ 38
Figure 3-20 Reference design of the external power amplifier connection in SPK differential mode
.......................................................................................................................................................... 39
Figure 3-21 Process of entering sleep mode ................................................................................... 42
Figure 3-22 Incoming call service process....................................................................................... 43
Figure 3-23 Outgoing call service process....................................................................................... 43
Figure 3-24 Process of exiting from sleep mode ............................................................................. 44
N58 Hardware User Guide
Table of Figures
Copyright © Neoway Technology Co., Ltd
v
Figure 3-25 Driving LED with a triode .............................................................................................. 44
Figure 3-26 Pulse wave for an incoming call ................................................................................... 45
Figure 3-27 RING indicator for SMS ................................................................................................ 45
Figure 3-28 Reference design of USB_BOOT................................................................................. 46
Figure 3-29 Reference design of VRTC and VRTC_GPS power supply......................................... 46
Figure 3-30 Keypad reference design.............................................................................................. 48
Figure 3-31 L network ...................................................................................................................... 49
Figure 3-32 Split capacitor network.................................................................................................. 49
Figure 3-33 Pi network ..................................................................................................................... 49
Figure 3-34 Recommended RF PCB design ................................................................................... 50
Figure 3-35 GNSS RF structure....................................................................................................... 51
Figure 3-36 Reference design of power supply for active antenna ................................................. 51
Figure 3-37 Specifications of MM9329-2700RA1 ............................................................................ 53
Figure 3-38 RF connections............................................................................................................. 53
Figure 3-39 Antenna layout.............................................................................................................. 54
Figure 3-40 Layout around the antenna........................................................................................... 54
Figure 6-1 N58 dimensions (Unit: mm) ............................................................................................ 61
Figure 6-2 N58 label......................................................................................................................... 62
Figure 7-1 Bottom dimensions of N58 (Unit: mm)............................................................................ 65
Figure 7-2 Recommended footprint of N58 application PCB (Unit: mm)......................................... 66
Figure 7-3 SMT furnace temperature curve..................................................................................... 67
N58 Hardware User Guide
Table of Tables
Copyright © Neoway Technology Co., Ltd
vi
Table of Tables
Table 1-1 Variant and frequency bands.............................................................................................. 9
Table 2-1 IO definition ...................................................................................................................... 14
Table 2-2 Pin description.................................................................................................................. 14
Table 3-1 LCD pins........................................................................................................................... 40
Table 3-2 Camera pins ..................................................................................................................... 41
Table 4-1 Operating conditions of N58............................................................................................. 55
Table 4-2 Current consumption of N58 (Typical).............................................................................. 55
Table 4-3 Temperature feature of N58 ............................................................................................. 55
Table 4-4 N58 ESD protection.......................................................................................................... 56
Table 5-1 Operating Bands of N58................................................................................................... 57
Table 5-2 RF transmit power and RX sensitivity of N58................................................................... 58
Table 5-3 N58 GSM RX sensitivity................................................................................................... 58
Table 5-4 N58 LTE RX sensitivity..................................................................................................... 59
Table 5-5 GNSS Feature.................................................................................................................. 59
Table 5-6 WLAN/BT TX power and RX sensitivity ........................................................................... 60
N58 Hardware User Guide
About This Document
Copyright © Neoway Technology Co., Ltd
vii
About This Document
Scope
This document is applicable to N58 series.
It defines the features, indicators, and test standards of the N58 module and provides a reference for
the hardware design of each interface.
Audience
This document is intended for system engineers (SEs), development engineers, and test engineers.
Change History
Issue
Date
Change
Changed By
1.0
2019-11
Initial draft
Zhang Gang
2.0
2020-05
⚫Changed the definition of pin 78, 80, 13, and 83
⚫Added BDS
⚫Updated the frequency bands of EA and LA variant
⚫Added 1PPS
⚫Update MIC design
Zhang Gang
2.1
2020-07
Update the figure of N58 dimensions and adjust the
direction of the PCB figures.
Liu Pengbin
2.2
2020-08
⚫Updated the ADC voltage detect range.
⚫Updated the description of the level feature of P3 in
Table 2-2.
⚫Added the description of the VBAT Vmin and Vnorm.
⚫Updated the description of RESET_N and
PWRKEY_N pin.
⚫Updated the function of UART1 interface. This
interface is disabled after the BT function is enabled.
⚫Updated the level feature of USIM1_DET and
USIM2_DET.
⚫Updated the SDIO reference design
⚫Updated resistance value of the pull-up resistor of the
Walter Wu
N58 Hardware User Guide
About This Document
Copyright © Neoway Technology Co., Ltd
viii
12C bus.
⚫Deleted the UART level shifting circuit
⚫Updated the range of power supply for VRTC_GPS.
⚫Updated the range of power supply for the positive of
LED_K.
⚫Modified the PWRKEY_N startup time to more than
1.8 s and lower than 3 s.
⚫Updated the description and function definitions of
PSM_WAKEUP.
⚫Updated the power domain of the LCD and SDIO
interfaces.
Conventions
Symbol
Indication
This warning symbol means danger. You are in a situation that could cause fatal
device damage or even bodily damage.
Means reader be careful. In this situation, you might perform an action that could
result in module or product damages.
Means note or tips for readers to use the module
Related Documents
Neoway_N58_Datasheet
Neoway_N58_Product_Specifications
Neoway_N58_AT_Command_Mannual
Neoway_N58_EVK_User_Guide
N58 Hardware User Guide
Chapter 1 About N58
Copyright © Neoway Technology Co., Ltd
9
1 About N58
N58 is an industrial 4G module that is developed on Spectrum chipset. Its dimensions are 30 mm x 28
mm x 2.6 mm. This module supports GSM, FDD-LTE, TDD-LTE(Cat 1) network modes, provides
various hardware interfaces, supports audio and video functions and BT connectivity, and optionally
supports GNSS. This module is easy for customers to develop applications and applicable to different
scenarios.
⚫ARM Cortex- A5 processors, 500MHz main frequency, 32 kB L1 cache
⚫Supports network modes: GSM/GPRS<E Cat1
⚫Supports USB2.0, USIM, ADC, UART, SDIO, SPI, I2C, and GNSS (optional)
1.1 Product Overview
N58 series include multiple variants. The following table lists the variants and frequency bands
supported.
Table 1-1 Variant and frequency bands
Region
Variant
Category
Band
GNSS
CODEC
China
CA
Cat1
FDD-LTE: B1, B3, B5, B8,
TDD-LTE: B34, B39, B40, B41
GSM/GPRS: 900/1800 MHz
Optional
Supported
Europe,
Middle
East Asia,
Africa
EA
Cat1
FDD-LTE: B1, B3, B5, B7, B8, B20,
B28
TDD-LTE: B38, B40, B41
GSM/GPRS: 900/1800MHz
Optional
Supported
Latin
America
LA*
Cat1
FDD-LTE: B1, B2, B3, B5, B7, B8, B28,
B66
TDD-LTE: B38, B40, B41
GSM/GPRS: 850/900/1800/1900 MHz
Optional
Supported
N58 adopts 192-pin LGA + LCC package and its dimensions are 30 mm x 28 mm x 2.6mm. With
industrial-grade performance, it is well applicable to wireless electrical terminals, PoC terminals, POS,
and other IoT terminals.
N58 Hardware User Guide
Chapter 1 About N58
Copyright © Neoway Technology Co., Ltd
10
1.2 Block Diagram
N58 consists of the following functionality units:
⚫Baseband
⚫26MHz crystal
⚫Power management unit
⚫RF section
⚫Digital interfaces (USIM, I2C, SPI, KEYPAD, UART, USB, SDIO, etc.)
⚫Analog interfaces (ADC, MIC, SPK)
Figure 1-1 Block Diagram
PMIC
MIC SPK CAM SPI LCDKEYGPIO
USB
USIM*2
Nor Flash(64Mb) + PSRAM(128Mb)
Baseband
RF Transceiver
GNSS
RF-Front End
Crystal
SDIO
PWRKEY_N
_
ANT
_MAIN ANT_GNSS ANT_BT
VBAT
VBAT
P8VDD 1
_
RESET N
ADC
M
26
UART3 I2C
N58 Hardware User Guide
Chapter 1 About N58
Copyright © Neoway Technology Co., Ltd
11
1.3 Basic Features
Parameter
Description
Physical features
⚫Dimensions: (30.00±0.15) mm ×(28.00±0.15) mm ×(2.60±0.20) mm
⚫Package: LGA + LCC
⚫Weight: 4.63g
Temperature ranges
Operating: -30°C to +75°C
Extended: -40°C to +85°C
Storage: -40°C to +90°C
Operating voltage
VBAT: 3.4V to 4.2V, TYP: 3.8V
Current
Sleep: < 3 mA
Idle: < 16 mA
Operating current: TBD
MIPS processor
ARM Cortex- A5 processors, 500MHz main frequency, 32 kB L1 cache
Memory
RAM: 128 Mb
ROM: 64 Mb
Band
See Table 1-1.
Wireless rate
GPRS: Max 85.6 Kbit/s(DL) / Max 85.6 Kbit/s(UL)
FDD-LTE: Cat1, Max 10 Mbps(DL)/Max 5 Mbps(UL)
TDD-LTE: Cat1, Max 8 Mbps(DL)/Max 2 Mbps(UL)
Transmit power
GSM850: +33dBm (Power Class 4)
EGSM900: +33dBm (Power Class 4)
DCS1800: +30dBm (Power Class 1)
PCS1900: +30dBm (Power Class 1)
LTE: +23dBm (Power Class 3)
Application Interfaces
2G/4G antenna, GNSS antenna, BT RX antenna, 50Ω characteristic
impedance
Three UART interfaces, at most 2 Mbit/s
Two USIM interfaces, 1.8V/3V adaptive
One USB2.0 high-speed interface
One SPI interface, only master mode is supported.
Supports 3*4 matrix keyboard interface
One LCD interface, supports the LCD screen with SPI interfaces
One CAM interface, supports SPI interfaces
One 12-bit ADC interface, detectable voltage ranging from 1 V to VBAT.
One SDIO interface, used for SD card
One 1PPS interface
N58 Hardware User Guide
Chapter 1 About N58
Copyright © Neoway Technology Co., Ltd
12
One MIC interface, built-in bias voltage ranging from 2.2 V to 3 V
One SPK interface
One I2C interface, host mode only
AT commands
3GPP Release 13
Neoway extended commands
SMS
PDU, TXT
Data
PPP, RNDIS, ECM
Protocol
TCP, UDP, MQTT, FTP, HTTP/HTTP(S), SSL, TLS
Certification approval
CCC, SRRC, RoHS, CE
* indicates functions that will be supported in the future.
N58 Hardware User Guide
Chapter 2 Module Pins
Copyright © Neoway Technology Co., Ltd
13
2 Module Pins
There are 192 pins on N58 and their pads are introduced in LGA + LCC package.
2.1 Pad Layout
Figure 2-1 shows the pad layout of N58.
Figure 2-1 N58 pin definition
GND
USB_HS_ID
LCC PIN
LGA PIN
GND
GPIO3
PSM_WAKEUP
GPIO2
I2C_SDA
1PPS
UART2_RX
UART2_TX
ANT
GND 101
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
75
73
27
72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
102 103 104 105 106 107 108 109 110 111 112 113 114
156
155
154
153
152
151
150
149
148
147
146
145
144
143
142 141 140 139 138 137 136 135 134 133 132 131 130 129
115
116
117
118
119
120
121
122
123
124
125
126
127
128
SDC_PWR_EN
SDC_DATA2
RING
GND
USIM2_RESET
LCD_SPI_SEL
CAM_SPI_DATA1
GND
GND
GND
GND
I2C_SCL
SPI_MOSI
GPS_LNA_EN
GND
SDC_DET
USB_BOOT
VDD_1P8
USB_VBUS
VBAT
RESERVED
GND
GND
GND
GND
NET_LIGHT
SPI_CLK
SPI_MISO
SPI_CS_N
ADC
ANT_GNSS
GND
ANT_BT
USB_HS_DP
USB_HS_DM
USIM1_DET
USIM1_RESET
USIM1_CLK
USIM1_DATA
USIM1_VCC
RESERVED
PWRKEY_N
RESET_N
GND
GND
VBAT
VBAT
SDC_DATA3
SDC_CMD
SDC_CLK
SDC_DATA0
SDC_DATA1
Reserve
Reserve
UART3_RXD
UART3_TXD
GND
SPK_P
SPK_N
MIC_P
MIC_N
GND
USIM2_VCC
USIM2_DATA
USIM2_CLK
USIM2_DET
UART1_RTS
UART1_CTS
UART1_RX
UART1_TX
LCD_SPI_SIO
LCD_SPI_SDC
LCD_SPI_CLK
LCD_SPI_CS
LCD_TE
LCD_RST_N
AVDD_CAM
CAM_MCLK
CAM_PWDN
CAM_I2C_SCL
CAM_I2C_SDA
CAM_SPI_CLK
CAM_SPI_DATA0
CAM_RST_N
VDD_CAM
UART2_RTS
UART2_CTS
GPIO0
VDD_SDCPULL
GND
VRTC_GPS
RESERVED
GND
RESERVED
RESERVED
RESERVED
GND
RESERVED
RESERVED
LED_K0
VDD_LCD
LED_K1
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
KEYOUT3
KEYOUT2
KEYOUT1
KEYOUT0
GND
LED_K2
GND
KEYIN3
KEYIN2
KEYIN1
RESERVED
GND
Power Manegement
GND
ControlUSB AntennaUARTLCD
SIM
SDIO
Audio
GPIO
Camera
I2C Keypad SPI I2C Reserve
Battery
1
172 171 170 169 168 167
173 186 185 184 183 166
174 187 192 191 182 165
175 188 189 190 181 164
176 177 178 179 180 163
157 158 159 160 161 162
GND
GND
GND
GND GND
GND
GND
GND
VRTC
GND
RESERVED
RESERVED
GND
RESERVED
GND
GND
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
GND
GND
OTHERS
GND
97 98
26
99
49
100
74
N58 Hardware User Guide
Chapter 2 Module Pins
Copyright © Neoway Technology Co., Ltd
14
2.2 Pin Description
Table 2-1 lists the definition of IO types.
Table 2-1 IO definition
IO Type
B
Digital input/output, COMS logic level
DO
Digital output, COMS logic level
DI
Digital input, COMS logic level
PO
Power output
PI
Power supply input
AO
Analog output
AI
Analog input
Level Feature
P1
1.8V/3V
1.8V level feature:
VIH=1.26V~2.1V
VIL=-0.3V~0.36V
VOH=1.44V~1.8V
VOL=0V~0.4V
3V level feature
VIH=2V~3.15V
VIL=-0.3V~0.57V
VOH=2.59V~2.96V
P3
1.8V digital IO
VIH min=1.26 V
VIL max= 0.54 V
VOH min=1.44 V
VOLmax=0.36 V
P6
Voltage type of USB2.0 data interfaces
Vmin=2.97V
Vmax=3.5V
Vtyp=3.08V
Table 2-2 Pin description
Signal
Pin
I/O
Function
Level
Feature
Remarks
Power interface
VBAT
27, 28, 29
PI
Main power
supply input
Vmin=3.4V
Vnorm=3.8V
Vmax=4.2V
The external power
supplies at least 2.5A
current to VBAT
VDD_1P8
45
PO
1.8V power
output
Vnorm=1.8V
Imax=50 mA
Used only for level shifting
and IO power supply.
N58 Hardware User Guide
Chapter 2 Module Pins
Copyright © Neoway Technology Co., Ltd
15
Leave this pin floating if it
is not used.
GND
1, 14, 17, 20, 26, 30, 31, 44, 49, 74, 75, 77, 91, 93,
95, 97-102, 104, 106, 112, 114, 115, 121-123, 128,
129, 137, 142, 143, 146, 147, 155-192
Ensure that all GND pins
are connected to the
ground.
Control Interfaces
RESET_N
32
DI
Module reset
input
Triggered by a low level to
reset the module.
This pin is connected to
VBAT through a 20KΩ
pull-up resistor internally
in the module.
PWRKEY_N
33
DI
ON/OFF button
Triggered by a low level to
control the shutdown of
the module.
This pin is connected to
VBAT through a 20KΩ
pull-up resistor internally
in the module.
PSM_WAKEUP
79
DI
Low power
consumption
mode
P3
This pin needs to be used
together with AT
commands. After the
module enters or exits
sleep mode though
software configuration,
this pin can be triggered to
let the module exit or
enter sleep mode.
UART1 Interface
UART1_TX
69
DO
Data transmitting
P3
Used for data
transmission.
After the BT function is
enabled, this interface is
disabled.
UART1_RX
70
DI
Data receiving
P3
UART1_CTS
71
DI
Clear to send
P3
UART1_RTS
72
DO
Request to send
P3
Leave this pin floating if it
is not used.
UART2 Interface
UART2_TX
46
DO
Data transmitting
P3
AT by default. Used for
data transmission and
module commissioning.
Leave this pin floating if it
is not used.
UART2_RX
47
DI
Data receiving
P3
N58 Hardware User Guide
Chapter 2 Module Pins
Copyright © Neoway Technology Co., Ltd
16
UART2_CTS
51
DI
Clear to send
P3
Leave this pin floating if it
is not used.
UART2_RTS
52
DO
Request to send
P3
Leave this pin floating if it
is not used.
UART3 Interface
UART3_RX
11
DI
Data receiving
P3
Used for data
transmission and AP
debug. Leave this pin
floating if it is not used.
UART3_TX
12
DO
Data transmitting
P3
USIM1 Interface
USIM1_VCC
35
PO
USIM1 power
output
P1
USIM1_DATA
36
B
USIM data IO
P1
Connect this pin to
USIM1_VCC through a
4.7 kΩ pull-up resistor.
USIM1_CLK
37
DO
USIM1 clock
output
P1
USIM1_RESET
38
DO
USIM1 reset
P1
USIM1_DET
39
DI
USIM1 detect
P3
The level of this interface
is 1.8 V.
USIM2 Interface
USIM2_VCC
21
PO
USIM2 power
output
P1
USIM2_DATA
22
DIO
USIM2 data IO
P1
Connect this pin to
USIM2_VCC through a 10
kΩ pull-up resistor.
USIM2_CLK
23
DO
USIM2 clock
output
P1
USIM2_RESET
24
DO
USIM2 reset
P1
USIM2_DET
25
DI
USIM2 detect
P1
USB Interface
USB_VBUS
40
PI
Charging voltage
check
4.5V to
5.2V, TYP:
5V
Route DM and DP signals
in differential mode,
control impedance of 90Ω
Leave this pin floating if it
is not used.
USB_DM
41
IO
USB data minus
P6
USB_DP
42
IO
USB data plus
P6
USB_ID
43
DI
OTG detect
P3
Leave this pin floating if it
N58 Hardware User Guide
Chapter 2 Module Pins
Copyright © Neoway Technology Co., Ltd
17
is not used.
ADC Interface
ADC1
88
AI
Analog-to-digital
signal
conversion
12-bit, detectable voltage
ranging from 0.1 V to
VBAT.
Leave this pin floating if it
is not used.
I2C Interface
I2C_SDA
81
B
I2C data
P3
Connect it to a 1.8 kΩ pull-
up resistor. It works at a
power domain of 1.8V.
I2C_SCL
82
DO
I2C clock
P3
Connect it to a 1.8 kΩ pull-
up resistor. It works at a
power domain of 1.8V.
LCD Interfaces
LCD_RST_N
63
IO
Reset Control
1.8V/3.0V
Leave this pin floating if it
is not used.
LCD_TE
64
IO
Tearing effect
input to
synchronize
MCU to frame
writing, activated
by S/W
command
1.8V/3.0V
Leave this pin floating if it
is not used.
LCD_SPI_CS
65
IO
SPI chip select
1.8V/3.0V
Leave this pin floating if it
is not used.
LCD_SPI_CLK
66
DO
SPI clock
1.8V/3.0V
Leave this pin floating if it
is not used.
LCD_SPI_SDC
67
IO
Data or
command signal
1.8V/3.0V
Leave this pin floating if it
is not used.
LCD_SPI_SIO
68
IO
Data input/output
1.8V/3.0V
Leave this pin floating if it
is not used.
LCD_SPI_SEL
73
IO
Select signal
1.8V/3.0V
Leave this pin floating if it
is not used.
VDD_LCD
138
PO
DC power supply
1.6V/3.2V
Outputs 1.8V by default
Disabled by default
Max current: 200mA
LED_K0
139
PI
RGB LED input
negative
Max current: 100mA
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Chapter 2 Module Pins
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18
LED_K1
140
PI
RGB LED input
negative
LED_K2
141
PI
RGB LED input
negative
CAM Interface
VDD_CAM
53
PO
Camera digital
power
1.8V by default
P3
Max 100mA
CAM_RST_N
54
IO
Reset signal
P3
Reset signal triggered by
low level
CAM_SPI_DATA0
55
DI
Data signal input
P3
Leave this pin floating if it
is not used.
CAM_SPI_DATA1
56
DI
Data signal input
P3
Leave this pin floating if it
is not used.
CAM_SPI_CLK
57
DO
SPI clock
P3
Leave this pin floating if it
is not used.
CAM_I2C_SDA
58
B
I2C data
P3
Leave this pin floating if it
is not used.
CAM_I2C_SCL
59
DO
I2C clock
P3
Leave this pin floating if it
is not used.
CAM_PWDN
60
DO
Power down
control
P3
Leave this pin floating if it
is not used.
CAM_MCLK
61
IO
Clock signal
P3
Leave this pin floating if it
is not used.
AVDD_CAM
62
AO
Camera analog
power
1.8V by default
P3
Leave this pin floating if it
is not used.
SDIO Interface
SDC_PWR_EN
2
IO
Control of the
external power
supply for SDC
P3
Leave this pin floating if it
is not used.
SDC_DATA_2
3
B
SDIO data bit 2
1.8V/3.0V
Leave this pin floating if it
is not used.
SDC_DATA_3
4
B
SDIO data bit 3
1.8V/3.0V
Leave this pin floating if it
is not used.
SDC_CMD
5
B
SDIO command
1.8V/3.0V
Leave this pin floating if it
is not used.
SDC_CLK
6
DO
SDIO clock
1.8V/3.0V
Leave this pin floating if it
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Chapter 2 Module Pins
Copyright © Neoway Technology Co., Ltd
19
is not used.
SDC_DATA_0
7
B
SDIO data bit 0
1.8V/3.0V
Leave this pin floating if it
is not used.
SDC_DATA_1
8
B
SDIO data bit 1
P3
Leave this pin floating if it
is not used.
SDC_DET
96
IO
SDC detect
Leave this pin floating if it
is not used.
VDD_SDCPULL
103
PO
Pull up power of
the SD card bus.
3.1 V by default.
Max current: 150mA
SPI Interface
SPI_CLK
84
DO
Clock signal
P3
Leave this pin floating if it
is not used.
SPI_MISO
85
DI
Device output,
host input
P3
Leave this pin floating if it
is not used.
SPI_MOSI
86
DO
Device input,
host output
P3
Leave this pin floating if it
is not used.
SPI_CS_N
87
DO
Chip select
P3
Leave this pin floating if it
is not used.
GPIO
GPIO_0
50
B
GPIO
P3
Leave this pin floating if it
is not used.
GPIO_2
80
B
GPIO
P3
Leave this pin floating if it
is not used.
GPIO_3
78
B
GPIO
P3
Leave this pin floating if it
is not used.
Audio SPK interface
SPK_P
15
AO
SPK signal
positive
SPK_N
16
AO
SPK signal
negative
Audio MIC interface
MIC_P
18
AI
MIC signal
positive
MIC_N
19
AI
MIC signal
negative
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