Neoway N723-EA - About N723-EA; Product Overview; Block Diagram; Table 2-1 Variant and Frequency Bands

N723-EA Hardware User Guide
Chapter 2 About N723-EA
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2 About N723-EA
This chapter introduces product overview, block diagram, and basic features of N723-EA.
2.1 Product Overview
N723-EA is an industry-grade cellular module that supports LTE-FDD, LTE-TDD, WCDMA, and GSM.
It has dimensions of (30.00±0.10) mm × (28.00±0.10) mm × (2.95±0.20) mm and supports PHY chip
with external RMII interface, SD card, WLAN chip with SDIO interface, and Codec chip with PCM/I2S
interface. It is suitable for developing IoT communication devices such as wireless meter reading
terminals, vehicle/handheld POS, industrial routers and so on.
N723-EA has the following characteristics:
⚫
ARM Cortex-R5 processors, 832 MHz main frequency at most, 32 kB L1 command cache, 32 kB
L1 data cache
⚫
Supported network modes: LTE Cat. 4, WCDMA, GSM.
⚫
Supports interfaces: I2S/PCM, RMII, USIM, USB2.0, UART, SDIO, SD/eMMC, I2C, and SPI.
Table 2-1 lists the variant and frequency bands that N723-EA supports.
Table 2-1 Variant and frequency bands
Variant
Region
Category
Band
GNSS
Codec
EA
Europe
Cat 4
FDD-LTE: B1, B3, B5, B7, B8, B20 ,B28
TDD-LTE: B38, B40, B41
WCDMA: B1, B5, B8
GSM/GPRS/EDGE: 900/1800 MHz
Not
supported
Not
supported
2.2 Block Diagram
N723-EA consists of the following functionality units:
⚫
Baseband unit
⚫
Power management unit
⚫
Radio frequency unit
⚫
Flash storage unit
⚫
Digital interfaces (I2S/PCM, RMII, USIM, USB2.0, UART, SDIO, SD/eMMC, I2C, SPI, GPIO)