Neoway N723-EA - Table of Contents

N723-EA Hardware User Guide
Contents
Copyright © Neoway Technology Co., Ltd. All rights reserved.
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Contents
1 Safety Recommendations ....................................................................... 10
2 About N723-EA ........................................................................................ 11
2.1 Product Overview ........................................................................................................................ 11
2.2 Block Diagram ............................................................................................................................. 11
2.3 Basic Features ........................................................................................................................... 12
3 Reference Standards ............................................................................... 15
4 Module Pins ............................................................................................. 16
4.1 Pin Layout .................................................................................................................................. 16
4.2 Pin Description ........................................................................................................................... 17
5 Application Interfaces .............................................................................. 25
5.1 Power Interface .......................................................................................................................... 25
5.1.1 VBAT .................................................................................................................................. 25
5.1.2 VDD_1P8 ........................................................................................................................... 30
5.2 Control Interfaces ....................................................................................................................... 30
5.2.1 PWRKEY_N ...................................................................................................................... 31
5.2.2 PWRKEY ........................................................................................................................... 32
5.2.3 USB_BOOT ....................................................................................................................... 36
5.2.4 SLEEP ............................................................................................................................... 37
5.3 Peripheral Interfaces .................................................................................................................. 39
5.3.1 USB ................................................................................................................................... 39
5.3.2 UART ................................................................................................................................. 41
5.3.3 USIM .................................................................................................................................. 45
5.3.4 SD/eMMC .......................................................................................................................... 47
5.3.5 I2S ..................................................................................................................................... 48
5.3.6 SPI ..................................................................................................................................... 49
5.3.7 I2C ..................................................................................................................................... 50
5.4 Network and Connection ............................................................................................................ 51
5.4.1 Ethernet ............................................................................................................................. 51
5.4.2 SDIO/WLAN ...................................................................................................................... 53
5.5 GPIO interfaces .......................................................................................................................... 55
5.6 RF Interface ................................................................................................................................ 55
5.6.1 ANT_MAIN/ANT_DIV Antenna Interfaces ......................................................................... 55
5.6.2 Antenna Assembling .......................................................................................................... 57
5.7 Multi-Function Interfaces ............................................................................................................ 60
5.8 Other Interfaces ......................................................................................................................... 60
5.8.1 RING .................................................................................................................................. 60
5.8.2 NET_LIGHT ....................................................................................................................... 61
6 Electrical Characteristics and Reliability .................................................. 62
6.1 Electrical Characteristics ............................................................................................................ 62