Microchip ATWINC3400 Manual

Microchip Ikke kategoriseret ATWINC3400

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ATWINC3400

ATWINC3400 Wi-Fi/BLE Network Controller - Software

Design Guide

User Guide

Introduction

Atmel® SmartConnect ATWINC3400 SoC is an IEEE® 802.11 b/g/n and

Bluetooth® Smart BLE network controller for applications in the Internet-of-

Things. It is an ideal add-on to existing MCU solutions bringing Wi-Fi® and

network capabilities through an SPI- -to Wi-Fi interface. The WINC3400 AT

connects to any Atmel AVR® or Atmel | SMART MCU with minimal resource ™

requirement s.

Features

 Wi-Fi IEEE® 802.11 b/g/n STA AP modes and

 Wi-Fi Protected Setup (WPS)

 Discovery and provisioning via Smartphone using BLE

 Support of WEP WPA/WPA2 personal security and

 Embedded network stack protocols to ooad work from the host MCU. This

allows operation with a wide range of MCUs including low end MCUs.

 Embedded TCP/IP stack with BSD-style socket API

 Embedded network protocols

– DHCP client/server

– DNS resolver client

– SNTP client for UTC time synchronization

 Embedded TLS security abstracted behind BSD-style socket API

 HTTP Server for optional provisioning using AP mode

 Ultra-low cost IEEE 802.11 b/g/n RF/PH/MAC SoC

 Ultra-low power Bluetooth SMART (BLE 4.0 SoC with Integrated MCU, )

Transceiver, Modem, MAC, PA, TR Switch, and Power Management Unit

 Fast boot from on-chip Boot ROM

 8Mb internal Flash memory

 Low power consumption with dierent power saving modes

 SPI, I2C, and UART support

 Low footprint host driver with the following capabilities:

– Can run on 8, 16, and 32 bit MCU

– Little and Big endian support

– Consumes about 8KB of code memory and 1KB of data memory on host

MCU

Atmel- -ATWINC3400-WiFi-BLE-Network-Controller-Software-Design-Guide_UserGuide 42016 42566A _0

ATWINC3400 Wi-Fi/BLE Network Controller Software Design Guide [USER GUIDE]

Atmel- -ATWINC3400-WiFi-BLE-Network-Controller-Software-Design-Guide_UserGuide 42016 42566A _0

Table of Contents

1 Icon Key Identiers .............................................................................................. 7

2 Glossary ................................................................................................................ 7

3 References ............................................................................................................ 7

4 Host Driver Architecture ...................................................................................... 8

4.1 WLAN API ......................................................................................................................................... 8

4.2 Socket API ......................................................................................................................................... 8

4.3 Host Interface (HIF) ........................................................................................................................... 9

4.4 Board Support Package (BSP) .......................................................................................................... 9

4.5 Serial Bus Interface ........................................................................................................................... 9

5 WINC System Architecture ................................................................................ 10

5.1 Bus Interface ................................................................................................................................... 10

5.2 Non-volatile Storage ........................................................................................................................ 11

5.3 CPUs ............................................................................................................................................... 11

5.4 IEEE 802.11 MAC Hardware ........................................................................................................... 11

5.5 Bluetooth BLE V4.0 MAC Hardware ................................................................................................ 11

5.6 Program Memory ............................................................................................................................. 11

5.7 Data Memory ................................................................................................................................... 11

5.8 Shared Packet Memory ................................................................................................................... 11

5.9 IEEE 802.11 MAC Firmware ............................................................................................................ 11

5.10 Bluetooth V2.1 MAC Firmware ........................................................................................................ 12

5.11 Memory Managers ........................................................................................................................... 12

5.12 Power Managements ....................................................................................................................... 12

5.13 ATWINC RTOS ............................................................................................................................... 12

5.14 ATWINC IoT Library ........................................................................................................................ 13

6 ATWINC Initialization and Simple Application ................................................. 14

6.1 BSP Initialization .............................................................................................................................. 14

6.2 ATWINC Host Driver Initialization .................................................................................................... 14

6.3 Socket Layer Initialization ................................................................................................................ 14

6.4 ATWINC Event Handling ................................................................................................................. 14

6.4.1 Asynchronous Events ............................................................................................................. 15

6.4.2 Interrupt Handling ................................................................................................................... 15

6.5 Code Example ................................................................................................................................. 16

7 ATWINC Conguration ....................................................................................... 17

7.1 Device Parameters .......................................................................................................................... 17

7.1.1 System Time ........................................................................................................................... 17

7.1.2 Firmware and HIF Version ...................................................................................................... 17

7.2 ATWINC Modes of Operation .......................................................................................................... 17

7.2.1 Idle Mode ................................................................................................................................ 18

7.2.2 Wi-Fi Station M ode................................................................................................................. 18

7.2.3 Wi-Fi Hotspot (AP) Mode ........................................................................................................ 18

7.3 Network Parameters ........................................................................................................................ 19

7.3.1 Wi-Fi MAC Address ................................................................................................................ 19

7.3.2 IP Address .............................................................................................................................. 19

7.4 Power Saving Parameters ............................................................................................................... 19

Produkt Specifikationer

Mærke:	Microchip
Kategori:	Ikke kategoriseret
Model:	ATWINC3400

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