Silicon Laboratories 61F8D Users manual

AMW004 • 802.11b/g/n WICED™ Module

AMW004

Data Sheet

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AMW004 • 802.11b/g/n WICED™ Module

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Disclaimer

While the information provided in this document is believed to be accurate, it is under development and ACKme Networks reserves the right to make changes without further notice to the product described herein to improve reliability, function, or design, and makes no guarantee or warranty concerning the accuracy of said information, nor shall it be responsible for any loss or damage of whatever nature resulting from the use of, or reliance upon, such information. ACKme Networks makes no warranties of any kind, whether express, implied or arising by custom or course of trade or performance, and specifically disclaims the implied warranties of title, non-infringement, merchantability, or fitness for a particular purpose.

No part of this document may be copied, reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photographic, or otherwise, or used as the basis for manufacture or sale of any items without the prior written consent of ACKme Networks.

Trademarks

ACKme Networks and the ACKme Networks logo are trademarks of ACKme Networks. WICED™ is a trademark of Broadcom Corporation, Inc. Other trademarks in this document belong to their respective owners.

Document Number: ADS-MW004-1xx

Release Date: TBA

Contact

Email: info@ack.me

Web: http://ack.me http://ackmenetworks.com

About this Data Sheet

This document provides information on the AMW004 802.11b/g/n WICED module from ACKme Networks. Specifications for the module I/O and peripherals are taken from the SAM4S Series data sheet from Atmel Corporation. Specifications for the WLAN subsystem were compiled from measured data unless otherwise noted.

Organization

This data sheet is organized into the following sections:

 Features & Applications  General Description, Section 1  Block Diagram, Section 2  Electrical Specifications, Section 3  WLAN RF Specifications, Section 4  Pinout and Signal Descriptions, Section 5  Design Guidelines, Section 6  Regulatory Certification, Section 7  Packaging, Handling &

Storage, RoHS, Section 8

 Revision History & Glossary, Section 9  References, Section 10

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AMW004 Data Sheet

2.4GHz IEEE 802.11b/g/n WICED™ Module

Features

 Self-contained low-power Wi-Fi networking mod-

ule with onboard microcontroller and antenna.

 Integrated SPI-serial flash for software upgrades  Works seamlessly with Broadcom WICED Devel-

opment System.

Wi-Fi

 Broadcom BCM43362 single band 2.4GHz IEEE

802.11b/g/n 1x1 Wi-Fi transceiver

 Includes support for all Wi-Fi security modes in-

cluding Open, WEP, WPA, and WPA2-PSK

Microprocessor

 Atmel AT91SAM4S16C ARM 32-bit Cortex™-M4

CPU, with a 2kB cache at up to 120MHz.

 Integrated 1MB Flash memory and 128kB SRAM  Clock, reset & supply management including 32kHz

RTC, high-precision 8/12MHz RC oscillator, PoR, brownout detector and watchdog

 Up to 22 Peripheral DMA controller channels  Ultra Low Power sleep, wait and backup modes  128-bit unique ID

Interfaces*

 A/D converters: 10 channel input, 12-bit resolu-

tion, 1Msps with gain control and auto calibration

 D/A converter: 1 channel x 12-bit, 1Msps  UART: 2 x 4-wire, 2 x 2-wire up to 7.5Mbit/s  SPI: 1 x SPI master/slave up to 120Mbit/s

 I

C: 2 x I2C interfaces (SMBus/PMBus)

 I

S: 1 x I2S / Synchronous Serial Controller

 GPIO: Up to 29 GPIOs (overlaid with peripherals)  USB: 1 x USB2.0 full-speed device controller with

dedicated DMA, on-chip full-speed PHY

 Timers: 2 x 3-Channel 16-bit Timer/Counter with

IC/OC/PWM capability, quadrature decoder logic and additional 4-Channel 16-bit PWM

 Wake-up : 12 External wake inputs and RTC/RTT

wake for ultra-low power operation

 External Wi-Fi antenna option  JTAG/SWD debug interface

*Some interfaces share module pins

Operational & Radio

 Single operating voltage : 3.3V (typical)  Operational Temperature Range: -30°C to +85°C  Size : 1.25” x 0.70” x 0.11” (31.8 x 17.8 x 2.7mm)  Weight : 0.07oz (2g)  Current consumption @ 25°C

- Backup : 1.85µA, <300µs wakeup

- Wait : 28µA, <100µs wakeup, RAM retention

- Wi-Fi Powersave : 0.77mA

- Active receive : 6.9mA @ 1Mbit/s

- Active transmit : 12.5mA @ 1Mbit/s

 Maximum RF transmit power

- 802.11b/g : +18.5 dBm

- 802.11n : +13.5 dBm

 Minimum Receive sensitivity

- 802.11b/g : -94 dBm

- 802.11n : -86 dBm

 Sustained TCP throughput : >20Mbit/s

Applications

 Industrial, M2M and Home Automation

- Environmental monitoring

- Energy monitoring

- Wireless sensing, remote data logging

- HVAC, power, light, & thermostat control

- Appliance control

 Security

- Cameras, Doors/Window monitoring

- Alarms, Smoke Detectors

- Door and entry control

 Health & Fitness

- Fitness Equipment

- Home health monitoring eg. weight scales

 Consumer

- Audio, Toys, Robots

AMW004 • 802.11b/g/n WICED™ Module

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Contents

1 General Description ............................................... 1

2 Block Diagram ........................................................ 2

3 Electrical Specifications .......................................... 3

3.1 Absolute Maximum Ratings ............................ 3

3.2 Recommended Operating Conditions ............ 3

DC Operating Conditions ........................ 3 3.2.1

Environmental Conditions ...................... 3 3.2.2

3.3 Power Consumption ....................................... 4

3.4 32kHz Crystal .................................................. 4

4 WLAN RF Specifications ......................................... 5

4.1 Summary WLAN Specifications ....................... 5

4.2 WLAN Receiver Specifications ........................ 5

4.3 WLAN Transmitter Specifications ................... 6

5 Pinout and Signal Descriptions .............................. 7

7.2 Canada .......................................................... 15

Labeling and User Information 7.2.1

Requirements....................................................... 15

External Antenna Types ........................ 16 7.2.2

Further Information .............................. 16 7.2.3

7.3 Europe .......................................................... 17

Labeling and User Information 7.3.1

Requirements....................................................... 17

External Antenna Requirements .......... 17 7.3.1

Further Information .............................. 17 7.3.2

7.4 Australia ........................................................ 18

External Antenna Requirements .......... 18 7.4.1

Further Information .............................. 18 7.4.2

7.5 New Zealand ................................................. 18

External Antenna Requirements .......... 18 7.5.1

Further Information .............................. 18 7.5.2

5.1 Pinout.............................................................. 7

5.2 Pin Description ................................................ 7

6 Design Guidelines ................................................. 10

6.1 Recommended PCB Footprint ...................... 10

6.2 Routing Recommendations .......................... 10

6.3 Soldering Information ................................... 10

6.4 Module Photograph ...................................... 11

6.5 Application Examples .................................... 11

Power Supply ........................................ 11 6.5.1

Programming and Debug ...................... 12 6.5.2

Operation using WiConnect ................. 12 6.5.3

7 Regulatory Certification ....................................... 14

7.1 United States ................................................ 14

Labeling and User Information 7.1.1

Requirements ....................................................... 14

RF Exposure .......................................... 15 7.1.2

8 Packaging, Handling & Storage, RoHS ................. 19

8.1 Packaging ...................................................... 19

8.2 Handling & Storage ....................................... 19

8.3 RoHS Directive .............................................. 19

9 Revision History & Glossary ................................. 20

9.1 Revision History ............................................ 20

9.2 Glossary ........................................................ 20

10 References ........................................................... 21

External Antenna .................................. 15 7.1.3

Further Information .............................. 15

7.1.4

AMW004 • 802.11b/g/n WICED™ Module

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General Description, Section 1

1 General Description

The AMW004 module from ACKme Networks combines a SAM4S microcontroller with a BCM43362 Wi-Fi device and on-board antenna to provide an advanced standalone Wi-Fi and networking solution.

An integrated module avoids difficult RF layout and enables designers to rapidly embed Wi-Fi and secure networking functionality into virtually any device.

Custom applications may be developed for the module using the Broadcom WICED Software Development Kit. Alternately, the ACKme Networks WiConnect serial-toWi-Fi application may be used to fast-track module integration into end products.

With dimensions of just 0.7 x 1.25 inches and a wide temperature range, the module is suitable for integration into most embedded applications.

The Wi-Fi device from Broadcom includes an integrated RF transmit power amplifier and provides superior Wi-Fi performance and full compatibility with all 2.4GHz

802.11b/g/n Wi-Fi networks. An external antenna option provides additional performance and flexibility if required.

The SAM4S microprocessor from Atmel is based on a high-performance ARM® Cortex™-M4 32-bit RISC core operating at a frequency up to 120MHz. The SAM4S incorporates high-speed embedded memory including 1MB Flash memory and 128kB SRAM, and an extensive range of enhanced I/Os and peripherals.

The AMW004 module connects a large number of SAM4S pins to capitalize on the extensive SAM4S I/O and peripheral interfaces. The module supports the following list of interfaces, and provides additional interface combinations by leveraging SAM4S I/O multiplexing and alternate function capabilities.

 10 x 12-bit A/D converters  1 x 12-bit D/A converters  1 x 4-Wire USART interface  1 x 4-Wire, 2 x 2-Wire UART interfaces  1 x SPI master/slave bus  2 x I2C interfaces  1 x I2S interface  1 x USB full-speed device interface  12 x edge/level sensitive wake inputs

The module may be powered by a single 3.3V power supply. A separate power supply pin for the Wi-Fi subsystem is provided to minimize power supply noise coupling into the WLAN subsystem, and to enable additional control for power sensitive applications.

Power consumption in various states is determined by the power consumption of the SAM4S microprocessor and BCM43362 Wi-Fi chip. The power supply to the Wi-Fi chip and radio subsystem may be externally knifeswitched under software control to achieve minimum power consumption in an ultra-low power backup state described in the SAM4S datasheet.

The microprocessor may be woken from low power states by connecting any of 12 different module pins, or by other methods including an internal RTC/RTT timer or supply monitor as described in the SAM4S datasheet.

The module incorporates a 32.768kHz crystal to maintain an accurate real time clock. A 32kHz clock output is available on a dedicated module pin in both active and SAM4S powerdown modes. The 32kHz clock output may be used to drive the clock input of other system devices. This avoids the need for an additional crystal thereby minimizing total system cost.

Application debugging with a software debugger such as gdb is enabled with a standard JTAG (or Serial Wire Debug) interface.

The module has FCC modular approval for use in the United States, and CE approval for use in Europe and other countries.

AMW004 • 802.11b/g/n WICED™ Module

120MHz MCU

1MB Flash

128kB RAM

BCM43362

Antenna

Switch

u.FL

3v3 MCU

JTAG/SWD

Reset

12MHz

32kHz

1 MByte

Serial Flash

AMW004

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Block Diagram, Section 2

2 Block Diagram

Figure 1 is a block diagram of the AMW004 module. The main components of the module are an AT91SAM4S16C microprocessor and BCM43362 Wi-Fi System-inPackage (SiP) module. The SAM4S ARM processor and peripherals are driven by a 12MHz crystal, the integrated RTC is driven by a 32.768kHz crystal. An integrated 1MByte serial flash chip may be used to store additional applications, user data or firmware images as part of an over the air (OTA) update process.

Figure 1. AMW004 Architecture

3v3 Wi-Fi

32kHz Out

ADC/DAC

SPI

UART

GPIO

I2C

I2S

USB

AT91

SAM4S16C

A dedicated power supply input to the WLAN subsystem is controlled by an application running on the SAM4S, enabling the module to achieve minimum power consumption when the Wi-Fi networking interface is not required.

The module includes an antenna diversity switch. The switch enables static or dynamic selection of the onboard antenna or an external antenna plugged to the u.FL connector.

Wi-Fi

AMW004 • 802.11b/g/n WICED™ Module

Symbol

Ratings

Min

Max

Unit

VDD_3V3

External power supply voltage to MCU subsystem

-0.3

4.0

VDD_3V3_WIFI

External power supply voltage to WLAN subsystem

-0.5

6.0

Vin

Input voltage on any other MCU pin

-0.3

4.0

Characteristic

Note

Min

Max

Unit

Storage Temperature

–

-40

+125

°C

Relative Humidity

Non-condensing

–

Symbol

Ratings

Min

Typ

Max

Unit

VDD_3V3

External power supply voltage to MCU subsystem

1.62

3.3

3.6

VDD_3V3_WIFI

External power supply voltage to WLAN subsystem

2.3

3.3

3.6

Characteristic

Note

Min

Max

Unit

Ambient Temperature

Limited by WLAN chip specification

-30

+85

°C

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Electrical Specifications, Section 3

3 Electrical Specifications

3.1 Absolute Maximum Ratings

CAUTION! The absolute maximum ratings in Table 1 and Table 2 indicate levels where permanent damage to the de-

vice can occur, even if these limits are exceeded for only a brief duration. Functional operation is not guaranteed under these conditions. Operation at absolute maximum conditions for extended periods can adversely affect longterm reliability of the device.

The values in Table 1 reflect absolute maximum ratings from the respective ATSAM4S16C and BCM43362 datasheets.

Table 1. Absolute Maximum Voltage Ratings

Table 2. Absolute Maximum Environmental Ratings

3.2 Recommended Operating Conditions

Functional operation is not guaranteed outside the limits shown in Table 3 and Table 4, and operation outside these limits for extended periods can adversely affect long-term reliability of the device.

DC Operating Conditions 3.2.1

Table 3. Recommended DC Operating Conditions

Note: VDD_3V3 and VDD_3V3_WIFI must be at the same voltage when using the Wi-Fi.

Environmental Conditions 3.2.2

Table 4. Recommended Environmental Conditions

AMW004 • 802.11b/g/n WICED™ Module

Characteristic

Note

Min

Max

Unit

Relative Humidity

Non-condensing

–

Operational State

Note

Typ1

Max1

Unit

TA = 25°C

TA = 85°C

Backup

SAM4S Backup Mode, Wi-Fi powered off

1.85

12.42

µA

Wait3

SAM4S Wait Mode, Wi-Fi powered off

32.2

590

µA

Sleep

SAM4S Sleep Mode, Wi-Fi powered off

–

6.89 – mA

Wi-Fi Powersave

2,3

SAM4S Wait mode, Wi-Fi in powersave

0.77 – –

Active Receive

2,3,4

SAM4S Wait mode, Wi-Fi active receive

6.9 – –

Active Transmit

2,3,5

SAM4S Wait mode, Wi-Fi active transmit

12.5 – –

Wi-Fi Tx Test Mode6

SAM4S Active mode, Wi-Fi active transmit

–

349 – mA

Operational State

Note

Min

Typ

Max

Unit

Frequency

– 32768

–

Frequency Tolerance

– 20 – ppm

Frequency Ageing

Measured @25°C ±3°C

-3 – 3

ppm

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Electrical Specifications, Section 3

3.3 Power Consumption

Table 5. Power consumption

Notes:

1. Total combined current consumed by all power supplies: VDD_3V3, VDD_3V3_WIFI.

2. 802.11 beacon Interval = 102.4ms, DTIM=3, Beacon Duration = 1ms @ 1Mbps.

3. SAM4S Wait Mode with 10µs wakeup latency

4. Average current receiving 1Mbit/s UDP at 802.11n MCS7

5. Average current transmitting 1Mbit/s UDP at 802.11n MCS7

6. Wi-Fi Transmitting at +18.5dBm CCK 11Mbit/s with maximum duty cycle

3.4 32kHz Crystal

Table 6. 32kHz Crystal Specifications

Notes:

1. Reproduced from manufacturers datasheet.

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