Data Sheet

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Table Of Contents

Abstract

⚫ Input Voltage：2.7V~3.3V

⚫ Processor：Dual Core CPU with ARM v8-M

architecture.

⚫ Performance Core KM4：Cortex-M33，Main

frequency up to 200 MHz.

⚫ Energy Efficiency Core KM0：Cortex-M23，Main

frequency up to 200 MHz.

⚫ Deep Sleep、Deep Standby and Sleep mode.

⚫ SWD/JTAG Simulation Debug Interface.

⚫ Memory

⚫ 512K bytes SRAM for KM4 core

⚫ 64K bytes SRAM for KM0 core

⚫ XIP flash memory from 2M to 8M bytes

⚫ Selection of Large Capacity PSRAM Storage

⚫ Wi-Fi

⚫ IEEE 802.11 b/g/n 1T1R 2.4GHz Single

frequency

⚫ Processing Wi-Fi messages using independent

Microcontrollers.

⚫ Support low power TX/RX mode in short

distance applications.

⚫ Support narrow-band mode: 10MHz

bandwidth.

⚫ Support Antenna diversity.

⚫ Support IEEE Power Save Model

⚫ BT 5.0 Low Energy

⚫ Comply with Low Power Bluetooth 5.0 Standard.

⚫ Support high power mode (10dbm).

⚫ Wi-Fi and BLE time division multiplexing and

share the same PA and antenna.

⚫ Support Bluetooth Master-Slave Mode and BLE

mesh.

⚫ Safety

⚫ ARM Trust Zone-M Technology.

⚫ AES/SHA Hardware Accelerator, Random

Number Generator

⚫ Security Boot Safe Start

⚫ Anti-reading mechanism: JTAG interface

protection, flash encryption technology.

⚫ Peripherals

⚫ 16 x GPIO (6 x Wakeup Pins, 3 x ADC channel)

⚫ 1 x SPI、1 x I

C、8 x PWM、5 x Timer

⚫ 2 x UART，Supporting Hardware Flow Control.

⚫ 1 x USI，can be set as UART、SPI or I

⚫ Infrared Transceiver

⚫ DMIC Digital Microphone Interface

⚫ SGPIO Single Line Communication

⚫ 4x2/3x3 Matrix Keyboard

⚫ USB Host/Device

⚫ Operating Temperature：-20℃ to +85℃

⚫ Antenna：On-Board PCB Antenna，or IPEX

Connector

⚫ Applications and Functions

⚫ Support AliOS Operating System and MXOS

Development Platform

⚫ Provide access to major cloud platforms and

Bluetooth Mesh networking protocol stack

⚫ Bluetooth/Wi-Fi Gateway Device for Internet of

Things Applications

Datasheet

EMC328x Wi-Fi/BLE IoT Module

Built-in ARM Cortex V8 dual-core wireless processor, large capacity Flash memory and

SRAM. 2.4 Hz Wi-Fi Internet Access and BLE 5.0 SIG Mesh Networking

Version：2.0

Date：2019-08-08

Number：DS0145EN

Summary of content (47 pages)

PAGE 1
EMC328x Wi-Fi/BLE IoT Module Built-in ARM Cortex V8 dual-core wireless processor, large capacity Flash memory and Datasheet SRAM. 2.4 Hz Wi-Fi Internet Access and BLE 5.0 SIG Mesh Networking Version：2.0 Date：2019-08-08 Number：DS0145EN Abstract ⚫ Input Voltage：2.7V~3.3V ⚫ Processor：Dual Core CPU with ARM v8-M architecture. ⚫ Performance Core KM4：Cortex-M33，Main frequency up to 200 MHz. ⚫ Energy Efficiency Core KM0：Cortex-M23，Main frequency up to 200 MHz. ⚫ Deep Sleep、Deep Standby and Sleep mode.
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⚫ Interfaces and Dimensions ⚫ Maintain pin compatibility with similar packaging modules ⚫ EMC3280:18mm x 33mm, stamp hole or pin ✓ Support external antenna or board antenna ⚫ EMC3285：18mm x 19.2mm，Stamp hole ✓ Small size, supporting only external antenna ⚫ Note: Mass production module includes shielding cover Copyright of Shanghai MXCHIP Information Technology Co., Ltd.
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Order Code EMC For example, 3 28 0 -P Z J Product Series EMC=IoT Wi-Fi/BLE Combo Module Product Type 3= Welding Wireless Module Typical Target Applications and Functions 28=IOT Gateway Application, 8 Series Master Control Shape size, enhancement function 0 = 18mm x 33mm，2 x 6pin 2.0 Spacing double-row stamp holes + 9 pin 2.0 spacing stamp holes or pins 5 = 18mm x 19.2mm, 2 x 14pin 1.2 Spacing double-row stamp holes RF Interface P=2.4GHz Single Frequency，On-Board PCB Antenna E=2.
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EMC328x Series Wireless Module Data Manual Parts Order Code MXKIT-Base MXKIT-Core-C3280 MXKIT-Core-C3285 FX-C3280 FX-C3285 Description Development board motherboard, suitable for all EMC328x modules Suitable for EMC3285 development board core board, including EMC3280-PZJ5 module. Matching with MXKIT-Base. Suitable for EMC3285 development board core board, including EMC3285-EZJ5 module. Matching with MXKIT-Base.
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EMC328x Series Wireless Module Data Manual Catalog Abstract ............................................................................................................................................................................... 1 Introduction ............................................................................................................................................................... 1 Peripheral List ..................................................................................
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EMC328x Series Wireless Module Data Manual Typical Application Power Consumption ................................................................................................................................... 24 Temperature................................................................................................................................................................................... 24 RF Parameters ........................................................................................
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EMC328x Series Wireless Module Data Manual Table 14 RF Parameters .................................................................................................................................................. 24 Table 15 On-board PCB Antenna Parameter of EMC3280 ........................................................................................ 26 Table 16 Typical furnace temperature setting ...........................................................................................................
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EMC328x Series Wireless Module Data Manual Introduction EMC328x series modules are mainly used in high performance modules of Wi-Fi/BLE gateway applications in the Internet of Things. It has a dual-core microcontroller with ultra-high integration, supports 2.4 GHz Wi-Fi and BLE 5.0 wireless communication technology, and contains large capacity Flash, RAM to meet the data transmission, storage and protocol of various Internet of Things gateway applications. The need for conversion.
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EMC328x Series Wireless Module Data Manual Peripheral List Item UART SPI RTC IR I2C Peripherals Comment Note HS_UART1 Internal connection to Bluetooth 1 HS_USI_UART 1 LP_UART1 Low power mode wake up 1 LP_UART0 Log UART，Low power mode wake up 1 HS_SPI1 Supports main mode, clock up to 25MHz 1 HS_USI_SPI Support master / slave mode, clock up to 25MHz 1 RTC_OUT 1 EXT_32K 1 IR 1 LP_I2C HS_USI_I2C Standard mode (up to 100Kbps) 1 Fast mode (up to 400Kbps) Standard / fast / high spe
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EMC328x Series Wireless Module Data Manual Characteristic System and storage Processor ⚫ ▪ Dual Core Processor ▪ KM4: Adopt ARM's latest v8M architecture, compatible with Cortex-M4F instruction set ▪ KM4: Adopt ARM's latest v8M architecture, compatible with Cortex-M0 instruction set ▪ Two cores have equal access to SRAM, peripherals and registers ▪ Internal communication between two processors KM4 Processor ⚫ ▪ Compatible with Cortex-M4F instruction set, supporting FPU, DSP, MPU and TrustZone-M
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EMC328x Series Wireless Module Data Manual ▪ HS-GDMA0 Support 6 channels and support TrustZone-M technology ▪ LP -GDMA0 supports 6 channels Flash ⚫ ▪ SPI Flash controller with Cache ▪ Support ICP technology and program Flash directly ⚫ General-Purpose I/O (GPIO) ▪ 16 GPIOs with upper and lower pull-down resistors ▪ Configurable external interrupt triggered by rising edge, falling edge and double edge Wireless Communication ⚫ Wi-Fi ▪ 802.11 b/g/n 1x1, 2.
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EMC328x Series Wireless Module Data Manual ⚫ SPI ▪ Support Motorola SPI serial data transmission ▪ Support master-slave mode ▪ Provide 1 SPI interface ▪ SPI1 (Normal speed): Configurable in master mode with clocks up to 25MHz ▪ Support DMA transmission ▪ Configurable independent interrupt ▪ FIFO Depth: Receive and transmit FIFO queues with 64 words depth, 16 bits per word.
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EMC328x Series Wireless Module Data Manual ⚫ I2C ▪ Two-wire I2C serial interface consisting of data line (SDA) and clock line (SCL) ▪ Supports one I2C interface, supports two standard modes with a maximum rate of 100Kbps and a high-speed mode of 400Kbps, and supports clock stretching.
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EMC328x Series Wireless Module Data Manual ▪ Support interrupt trigger ▪ Provide 12-bit 16-depth FIFO for saving keyboard press and release events ▪ Support low power loss, button time can wake up the CPU from low power mode Analog processing ADC And Voltage Comparator ⚫ ▪ Accurate 12-bit successive approximation register ADC converter ▪ Number of channels ▪ 3 external 3.
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EMC328x Series Wireless Module Data Manual Pin Definition Pin Arrangement 3.1.1. EMC3280 Figure 2 EMC3280 Pin Arrangement 1 2 25 24 3 4 5 6 7 8 23 22 21 20 19 18 9 10 11 12 13 1415 16 17 3.1.2. EMC3285 Figure 3 EMC3285 Pin Arrangement 1 2 3 4 5 6 7 8 9 10 11 12 13 14 38 37 26 35 34 33 32 31 30 29 28 27 26 25 15 16 17 18 19 20 21 22 23 24 Copyright of Shanghai MXCHIP Information Technology Co., Ltd.
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EMC328x Series Wireless Module Data Manual Pin Definition 3.2.1.
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EMC328x Series Wireless Module Data Manual (1). Special function capture pin, the module will detect the status of these pins when starting up and enter special functions, please refer to chapter 3.2.3 (2). The default state of the pin. When the Reset button is pressed, all GPIO ports will remain in their previous state.
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EMC328x Series Wireless Module Data Manual PA15 ICFG3 Test mode, if not entering test mode, can be ignored PA27 NORMAL_MODE_SEL PA30 SPS_SEL High（Default） Normal boot application Low Enter test mode, use PA12 ~ PA15 High（Default） SWR mode (10K pull-up inside the module) Low LDO mode If the module firmware is developed using the MXOS development platform provided by MXCHIP, the application will also check the status of the following pins during the boot process to enter a special working mode.
PAGE 19
EMC328x Series Wireless Module Data Manual System memory space The EMC328x module contains the following memory units:： KM4 Embedded SRAM The KM4 core contains up to 512K bytes of continuous on-chip SRAM memory. The embedded SRAM can pass byte (8 bits), halfword (16 bits) or single word (32 bits). It is divided into two blocks, which are accessible by the KM4 and KM0 cores.
PAGE 20
EMC328x Series Wireless Module Data Manual SPI Flash Memory The CPU manages access to the flash memory from the I-Code and D-Code buses via the built-in SPI Flash Control Unit (SPIC). At the same time, operations such as erasing, programming, and read-write protection are implemented, and instruction prefetching and caching are used to accelerate the execution of stored code on the flash memory. PSRAM Optional 4M byte PSRAM with 50MHz DDR memory.
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EMC328x Series Wireless Module Data Manual Table 6 Flash Storage space partition Name KM0 Boot Backup System Data KM4 Boot APP1 KV BT FTL APP2 USER Description Start Address Size KM0 kernel bootloader 0x0800_0000 20 Kbytes System data backup area 0x0800_2000 4 Kbytes System data 0x0800_3000 4 Kbytes KM4 kernel bootloader 0x0800_4000 8 Kbytes 0x0800_6000 1504 Kbytes Key/Value data storage area 0x0817_E000 16 Kbytes Bluetooth binding information storage area 0x0818_2000 12 Kbytes 0x08
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EMC328x Series Wireless Module Data Manual ATE（RF Test Mode） According to the description of Table 4 firmware special function capture pin table 4, after the module is booted into ATE mode, the module can enter the specific transceiver mode through the debugging serial port (UART_LOG) and the module interaction, thus the RF and electrical performance. carry out testing.
PAGE 23
EMC328x Series Wireless Module Data Manual 5.1.5. Set operational bandwidth Set the bandwidth for sending and receiving data packets, and set the guard interval (Guard Interval) for transmitting MCS packets. If no parameters are provided, the default setting is 20MHz bandwidth and is transmitted using a long guard interval (long GI). iwpriv mp_bandwidth 40M=40m, shortGI=sgi 40m: Set bandwidth, 1=40M bandwidth mode, 0=20M bandwidth mode sgi: Set the mode of GI, 1=Short GI, 0=long GI 5.1.6.
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EMC328x Series Wireless Module Data Manual character can stop sending packets. If the cs mode is set, a carrier suppression signal is transmitted. Use the stone command to send a single tone signal for testing the frequency. If stone is set, the transmitted signal will not be an identifiable message. By default, the hardware sends a short duty cycle signal, and if pkt is set, the software sends the packet.
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EMC328x Series Wireless Module Data Manual iwpriv mp_ctx background,pkt iwpriv mp_ctx stop //start packet continuous Tx //stop continuous Tx Carrier suppression test iwpriv mp_start //enter MP mode iwpriv mp_channel 1 //set channel to 1 . 2, 3, 4~11 etc.
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EMC328x Series Wireless Module Data Manual Flash Programing The module's Flash can be programmed in a variety of ways to burn firmware for specific functions.
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EMC328x Series Wireless Module Data Manual Making config file for first time processing components: helloworld emc328x MXOS …… Downloading applcation, size: 443512 bytes... ##################################################################################################### ##################################################################################################### ########## 100% 433 KiB 8.0 KiB/s 18 s Build complete Making .gdbinit Making .
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EMC328x Series Wireless Module Data Manual ⚫ If you use the compilation tool provided by MXCHIP, xxxx@emc328x.all.bin is usually generated, and the corresponding download address is 0x08000000. ⚫ If you use other compilation tools, you should query the relevant settings of the compilation system. The commonly generated km0_boot_all.bin is downloaded to 0x08000000, km4_boot_all.bin is downloaded to 0x08004000, and km0_km4_image2.bin is downloaded to 0x08006000.
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EMC328x Series Wireless Module Data Manual Figure 9 BAT Burning System Copyright of Shanghai MXCHIP Information Technology Co., Ltd.
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EMC328x Series Wireless Module Data Manual Electrical parameters Absolute maximum parameters Operation of the module outside of its absolute maximum ratings may result in permanent damage. At the same time, long-term exposure to the maximum rated conditions will affect the reliability of the module. Table 8 Absolute Maximum Parameter: Voltage Symbol Ratings Min Max Unit VDD–VSS Voltage –0.3 3.6 V VIN Input voltage on any other pin VSS−0.3 VDD+0.
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EMC328x Series Wireless Module Data Manual Symbol Note Conditions VIL Input-Low Voltage VOH Specification Min. Typical Max. Unit LVTTL - - 0.8 V Output-High Voltage LVTTL 9.58 9.59 13.43 V VOL Output-Low Voltage LVTTL 0.4 V IIL Input-Leakage Current VIN = 3.3V/0V 10 𝝻A -10 ±1 Table 11 Operating Parameters: Digital IO DC Characteristics（1.8V） Symbol Note Conditions VIH Input-High Voltage VIL Specification Min. Typical Max. Unit CMOS 0.
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EMC328x Series Wireless Module Data Manual Operating Frequency 2.412~2.484GHz Channel BW 20MHz，40MHz Antenna Interface 1T1R, single-stream Wi-Fi Standard IEEE 802.11b/g/n 11b: DBPSK, DQPSK, CCK for DSSS Modulation Type 11g: BPSK, QPSK, 16QAM, 64QAM for OFDM 11n: MCS0~7, OFDM 11b: 1, 2, 5.5 and 11Mbps Data Rates 11g: 6, 9, 12, 18, 24, 36, 48 and 54 Mbps 11n: MCS0~7, up to 150Mbps Antenna type One U.F.
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EMC328x Series Wireless Module Data Manual Antenna Information The EMC328x has two specifications, PCB antenna and external antenna. Please refer to the order code for ordering. The IPX antenna connector is not soldered to the module using the PCB antenna. Better RF performance can be achieved by connecting an external antenna through an IPX connector. PCB Antenna Parameters and Use 8.1.1. EMC328x On-board PCB Antenna Parameter Table 15 On-board PCB Antenna Parameter of EMC3280 Item Min.
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EMC328x Series Wireless Module Data Manual External antenna parameters and use Users can select 2.4G antennas with different external dimensions and gains of no more than 2dBi depending on the application environment. The following is a copper tube antenna for an IPEX connector commonly used by MXCHIP: Figure 11 Copper tube antenna size Frequency Range：2400-2500 Hz Input impedance: 50 OHM Standing wave ratio: < 2.0 Gain: 2.0DBI Polarization: vertical Directionality: Omnidirectional Copper tube: 4.
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EMC328x Series Wireless Module Data Manual Assembly size and PCB package Final assembly size chart Figure 13 EMC3280 three view（unit：mm, error: ±0.1） Copyright of Shanghai MXCHIP Information Technology Co., Ltd.
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EMC328x Series Wireless Module Data Manual Figure 14 EMC3285 three view（unit：mm） Recommended package drawing Figure 15 EMC3280 PCB Package size（unit：mm） Copyright of Shanghai MXCHIP Information Technology Co., Ltd.
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EMC328x Series Wireless Module Data Manual Figure 16 EMC3285 PCB Package size（unit：mm） Copyright of Shanghai MXCHIP Information Technology Co., Ltd.
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EMC328x Series Wireless Module Data Manual Production Guidelines MXCHIP stamp port packaging module must be SMT machine patches, module humidity sensitivity grade MSL3, after unpacking more than a fixed time patches to bake module.
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EMC328x Series Wireless Module Data Manual because PCB gold deposition process, over 3 months, pad oxidation is serious, SMT patch is likely to lead to virtual welding, leak welding, resulting in various problems, our company does not assume the corresponding responsibility; Before SMT patch, ESD (Electrostatic Discharge, Electrostatic Release) protection should be applied to the module. SMT patches should be made according to the reflow curve. The peak temperature is 250 C.
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EMC328x Series Wireless Module Data Manual Upper temperature 135 150 170 175 180 215 250 260 247 200 135 150 170 175 180 215 250 260 247 200 zone setting Lower temperature zone setting Figure 18 Typical secondary reflow profile ⚫ Preheating temperature rise from 30 ° C to 150 ° C: 0-3 ° C / s, typical value: 1.
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EMC328x Series Wireless Module Data Manual Storage Condition Figure 19 Storage Condition Diagram Copyright of Shanghai MXCHIP Information Technology Co., Ltd.
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EMC328x Series Wireless Module Data Manual FCC and IC Information FCC Warning ✓ Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. ✓ Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
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EMC328x Series Wireless Module Data Manual ✓ (2) l'utilisateur de l'appareildoit accepter tout brouillageradioélectriquesubi, mêmesi le brouillageest susceptible d'encompromettre le fonctionnement. Trace antenna designs For a modular transmitter with trace antenna designs, see the guidance in Question 11 of KDB Publication 996369 D02 FAQ – Modules for Micro-Strip Antennas and traces.
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EMC328x Series Wireless Module Data Manual Antennas A list of antennas included in the application for certification must be provided in the instructions. For modular transmitters approved as limited modules, all applicable professional installer instructions must be included as part of the information to the host product manufacturer. The antenna list shall also identify the antenna types (monopole, PIFA, dipole, etc.
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EMC328x Series Wireless Module Data Manual is responsible for compliance to any other FCC rules that apply to the host not covered by the modular transmitter grant of certification. If the grantee markets their product as being Part 15 Subpart B compliant (when it also contains unintentional-radiator digital circuity), then the grantee shall provide a notice stating that the final host product still requires Part 15 Subpart B compliance testing with the modular transmitter installed.
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EMC328x Series Wireless Module Data Manual Package and Label Package Information Table 17 MOQ and Package Information Part No MOQ(pcs) EMC3280-PZJ5 1050（2 small EMC3280-EZJ5 boxes） Shipping and Number of Number of trays packaging modules per tray per small box method (pcs) (pieces)） Tray 35 15 EMC3285-EZJ5 Product Label Figure 20 EMC3285 Product Label 1. Trademark of Shanghai MXCHIP Information Technology Co., Ltd. 2. CMIIT ID, SRRC No. 3. Module model 4. Module sub model 5. Wi Fi MAC.
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EMC328x Series Wireless Module Data Manual Appendix 1: Sales and Technical Support Information If you need to consult or purchase this product, please call Shanghai MXCHIP Information Technology Co., Ltd. during office hours. Office hours: Monday to Friday morning: 9:00 to 12:00, afternoon: 13:00 to 18:00 Contact Tel: +86-21-52655026 Address: 9th Floor, No. 5, Lane 2145, Jinshajiang Road, Putuo District, Shanghai Zip code: 200333 Email: sales@mxchip.