ATSAM4S-WPIR-RD Atmel, ATSAM4S-WPIR-RD Datasheet

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ATSAM4S-WPIR-RD

Manufacturer Part Number
ATSAM4S-WPIR-RD
Description
Development Boards & Kits - ARM SAM4S16 W.PIR CAMERA REF. DESIGN
Manufacturer
Atmel
Datasheet

Specifications of ATSAM4S-WPIR-RD

Rohs
yes
Product
Reference Designs
Tool Is For Evaluation Of
ATSAM3S4BA
Core
ARM Cortex M3
Interface Type
JTAG, USB
Operating Supply Voltage
5 V
Data Bus Width
32 bit
For Use With
RF231USB-RD
Features
Introduction
This manual describes the RF231USB Reference Design which is equipped with a
powerful CORTEX-M3 microcontroller in combination with the Atmel 2.4GHz
AT86RF231 radio transceiver and an onboard ceramic chip antenna.
Detailed information is given in the individual sections about the radio stick
functionality, the available interfaces, and the stick design.
The USB radio stick comes pre-flashed with a boot loader and a corresponding tool
for uploading of application firmware; it is stored on the onboard external 2GB flash
memory. The stick can be operated as full functional wireless node via the USB port
allowing direct communication with the host PC. It provides the way to demonstrate
wireless software applications and allows adding RF-functionality to other hardware.
Figure 1.
High-performance, low-power Atmel
microcontroller ATSAM3S4BA
Onboard 2GB flash memory to store user defined data
Onboard 2.4GHz radio transceiver AT86RF231 and ceramic chip antenna
Powered over USB connector type A soldered on PCB
Three free programmable status LEDs
RF shielding
Interfaces: DBGU, JTAG, USB
Atmel AVR2030: ATRF231USB – Hardware User Manual
256kB High-Speed Flash
48kB SRAM
Wide variety of peripheral components
Top and bottom view of RF231USB-RD stick.
®
32-bit ARM
APPLICATION NOTE
8-bit Atmel Microcontrollers
®
CORTEX™-M3 RISC
42018A−AVR−08/2012

Related parts for ATSAM4S-WPIR-RD

ATSAM4S-WPIR-RD Summary of contents

Page 1

... Interfaces: DBGU, JTAG, USB Introduction This manual describes the RF231USB Reference Design which is equipped with a powerful CORTEX-M3 microcontroller in combination with the Atmel 2.4GHz AT86RF231 radio transceiver and an onboard ceramic chip antenna. Detailed information is given in the individual sections about the radio stick functionality, the available interfaces, and the stick design ...

Page 2

... Recommended operating range ...................................................................... 29 7.3   Current consumption ....................................................................................... 29 7.4   RF characteristics ........................................................................................... 29 8.  Abbreviations ..................................................................................... 31  Appendix A.  PCB design data ........................................................... 32  A.1   Schematic ....................................................................................................... 32 Atmel AVR2030: ATRF231USB – Hardware User Manual [APPLICATION NOTE]                         ...

Page 3

... United States (FCC) ........................................................................................ 38 B.2   Europe (ETSI) ................................................................................................. 39 Appendix C.  References .................................................................... 40  Appendix D.  Revision history RF231USB PCBA ............................... 41  Appendix E.  EVALUATION BOARD/KIT IMPORTANT NOTICE ....... 42  Atmel AVR2030: ATRF231USB – Hardware User Manual [APPLICATION NOTE]           3 42018A−AVR−08/2012 ...

Page 4

... High-Speed flash and 48kB SRAM [1]. Additional 2GB flash memory to store user defined data is provided with the RF231USB-RD usable as mass storage device. Operating at the transmission frequency of 2.4GHz, the ATMEL low-power transceiver AT86RF231 provides a complete radio transceiver interface between the antenna and the microcontroller and an extended functional range such as a 128-Bit AES hardware engine to assure data security ...

Page 5

... The RF231USB-RD stick allows adding RF-functionality to other hardware or kit deliveries: • Wireless gateway for PC hardware, for example Reference design for wireless passive infrared camera Atmel kit ATSAM4S-WPIR-RD • Point to point connection between PCs (wireless UART) Atmel AVR2030: ATRF231USB – Hardware User Manual [APPLICATION NOTE] Figure 2-2 ...

Page 6

... Figure 3-1. USB type A connection. 3.2.2 10-pin connector The 10-pin connector, X2, with its pins of 1.27mm (50mil) pitch is directly accessible from the USB stick bottom side. Atmel AVR2030: ATRF231USB – Hardware User Manual [APPLICATION NOTE] Value 63.5mm (including USB plug) 19.0mm 5.5mm (without JTAG/debug header) 9.5mm (with JTAG/debug header) 42018A− ...

Page 7

... Figure 3-2. 10-pin connector with footprint receptacle. Atmel AVR2030: ATRF231USB – Hardware User Manual [APPLICATION NOTE] 7 42018A−AVR−08/2012 ...

Page 8

... Figure 4-1. The Atmel AT86RF231 interfaces the ceramic chip antenna which is designed at the outermost location of the RF231USB-RD stick to provide sufficient signal strength and quality to reach line of sight distances of greater than 200m. The transceiver is interfaced by the MCU via SPI and several GPIO lines. Two separate IRQ lines are available and routed to MCU pins optionally acting as timer inputs ...

Page 9

... MCDA0 52 MCDA1 26 MCDA2 37 MCDA3 38 MCCDA 41 MCCK Erase pin 55 PB12/PWML1/ERASE Atmel AVR2030: ATRF231USB – Hardware User Manual [APPLICATION NOTE] Function Comments USB DM USB DP JTAG TCK pin 1 pin 2 JTAG TDO pin 3 pin 4 JTAG TMS pin 5 /Reset pin 6 pin 7 Debug RXD ...

Page 10

... TPS79433 DGN GND Microcontroller 4.3 The Atmel SAM3S is a family of flash microcontrollers based on the high performance 32-bit ARM Cortex-M3 RISC processor. It operates at a maximum speed of 64MHz and features 256Kbytes of flash and 48Kbytes of SRAM. The ATSAM3S4BA device [1] power consumption, processing power and peripheral set. This enables the ATSAM3S4BA to sustain a wide range of applications including consumer, industrial control, and PC peripherals. Atmel AVR2030: ATRF231USB – ...

Page 11

... Clock generator The ATSAM3S4BA has a flexible clock system, supporting a large number of clock sources. It incorporates both calibrated integrated and external crystal oscillators and resonators. The Atmel SAM3S family allows dynamic switching between the following clock sources: • Embedded 32kHz RC oscillator • 32.768kHz crystal oscillator • ...

Page 12

... C17 C18 22pF 22pF GND GND GND GND Atmel AVR2030: ATRF231USB – Hardware User Manual [APPLICATION NOTE ...

Page 13

... Since its possible influence on the radio performance it is recommended to disable CLKM output if not needed. Atmel AVR2030: ATRF231USB – Hardware User Manual [APPLICATION NOTE] Appendix C). ...

Page 14

... The Atmel AT86RF231 radio transceiver incorporates all RF and BB critical components necessary to transmit and receive signals according to IEEE 802.15.4 or proprietary ISM data rates. A balun, B1, performs the differential to single-ended conversion of the RF signal to connect the Atmel AT86RF231 to the ceramic antenna, passing a tuning line with a network of inductors and capacitors along the line. The balun unit’s output connections (RFN, RFP / pins 3, 4) are directly routed to the differential RF I/O pins of the AT86RF231 radio transceiver ...

Page 15

... On-board peripherals 4.7 This section describes the important on-board peripherals: memory components, plugs and connectors as well as other interface and access options to the board. Atmel AVR2030: ATRF231USB – Hardware User Manual [APPLICATION NOTE] GND X3 GND UFL ...

Page 16

... Flash The Atmel RF231USB-RD is populated with a 2GB flash device (SDIN5D2-2G) for persistent data storage. The flash is equipped with a memory controller and has an iNAND flash architecture. It complies with e.MMC Specification Version 4.4 such that it performs like a Multimedia Card (MMC) from the MCU view. Possible data bit modes are 1bit (default) and 4bit ...

Page 17

... Status LEDs For simple applications and debugging purposes, or just to deliver status information, a basic user interface consisting of three LEDs is provided directly on the board. They are mounted on the bottom side of the printed circuit board. Atmel AVR2030: ATRF231USB – Hardware User Manual [APPLICATION NOTE] 2 GND ...

Page 18

... Work carefully, also when handling the board! The moisture of your fingers’ skin may be sufficient under Caution: certain conditions to destroy the internal flash content. Atmel AVR2030: ATRF231USB – Hardware User Manual [APPLICATION NOTE] 4.1 Pin assignment) is used to reinitialize the MCU flash content - and some of its NVM 18 42018A− ...

Page 19

... RF transceiver (1), the 16MHz crystal routing (2), the ground plane routing, feed line design (3), the ceramic antenna (4) with matching network (5) and finally the coaxial connector for test measurements (6). Each of them is described in detail in one of the following sections. Atmel AVR2030: ATRF231USB – Hardware User Manual [APPLICATION NOTE] Figure 5-1 shows its layer stack: 380μ ...

Page 20

... The reference design of a compact USB dongle with RF part requires compromises originating from geometrical limitations. This fact results in deviations from an optimal layout especially for the RF part in this design. Figure 5-3. Board layout – RF pin fan out. Atmel AVR2030: ATRF231USB – Hardware User Manual [APPLICATION NOTE ...

Page 21

... The Atmel AT86RF231 antenna port should be connected to a 100Ω load with a small series inductance of 1nH to 2nH. This is achieved with the connection fan out in between the IC pins and the filter balun balanced feed pins (B1 pads 3 and 4). The trace width is kept small at 0.2mm for a length of approximately 1.5mm. The dashed area in a midlayer cutout inside the PCB layout ...

Page 22

... Analog GND routing With the Atmel AT86RF231, consider pins 3, 6, 27, 30, 31 and 32 as analog ground pins, see ground pins are to be routed to the paddle underneath the IC. The trace width has to be similar to the pad width when connecting the pads, and increase, if possible, some distance from the pad. ...

Page 23

... Figure 5-8). The capacitor C41 is not assembled. The matching network in this case has the task to match the antenna feed point impedance to 50Ω to establish a proper RF performance. Atmel AVR2030: ATRF231USB – Hardware User Manual [APPLICATION NOTE] [4] has the following properties:   380μm Figure 5-8 occurs according to manufacturer’ ...

Page 24

... USB ports will be neglected. For antenna measurement the balun was removed to the balun unbalanced pin (pad 1) to interconnect the RF line with a network analyzer (NWA). Atmel AVR2030: ATRF231USB – Hardware User Manual [APPLICATION NOTE] 1.03mm Copper cut out area Ground copper area ...

Page 25

... After calibration the DUT has to be measured without matching parts L2, L3 and C41. The resonance behavior depends on the measurement position and all influencing elements in the vicinity. Without matching parts the antenna resonance frequency is too high (Figure 5-11). Atmel AVR2030: ATRF231USB – Hardware User Manual [APPLICATION NOTE] 25 42018A−AVR−08/2012 ...

Page 26

... The needed hardware consists of two battery powered laptops with side mounted USB sockets where the USB sticks are plugged. Each laptop is placed on the top of a tripod with a height of 1.40 meters. Atmel AVR2030: ATRF231USB – Hardware User Manual [APPLICATION NOTE] (Figure 5-12). ...

Page 27

... The default assembled capacitor C40 enables the antenna feed. For a coaxial connection, capacitor C40 has to be disassembled and C33 mounted. Both capacitors have a value of 22pF. Figure 5-13. Board layout – coaxial connector. Atmel AVR2030: ATRF231USB – Hardware User Manual [APPLICATION NOTE] 1.40 1.40 3 ...

Page 28

... Tying the ERASE pad to VCC or • Clearing the GPNVM bit 1 During the next power-on, the embedded ROM bootloader is started. Refer to the SAM3S Series User Manual (AT91SAM ARM-based Flash Atmel AVR2030: ATRF231USB – Hardware User Manual [APPLICATION NOTE] MCU) [1] for details. 28 42018A−AVR−08/2012 ...

Page 29

... Current consumption RF characteristics 7.4 Test conditions (unless otherwise stated 5.0V 25°C, MCU running at 48MHz, LEDs off. USB OP Atmel AVR2030: ATRF231USB – Hardware User Manual [APPLICATION NOTE] Table 7-1 may cause permanent damage to the board. This is a stress rating only; Condition Non-condensing USB powered Condition ) OP ...

Page 30

... Receiver sensitivity (2) 7.4.5 Range 1. Conducted, measurements taken with optional U.FL receptacle populated (see Section Notes: 2. Determined using a packet error test (10000 transmitted, PER<1%). Atmel AVR2030: ATRF231USB – Hardware User Manual [APPLICATION NOTE] Condition Minimum -0.2 Datarate 250kb/s Datarate 500kb/s Datarate 1Mb/s Datarate 2Mb/s line of sight ...

Page 31

... UART - Universal Asynchronous Receiver Transmitter USART - Universal Synchronous/Asynchronous Receiver Transmitter USB - Universal Serial Bus WPAN - Wireless Personal Area Network XTAL - Crystal ZigBee - Wireless networking standard targeted at low-power applications Atmel AVR2030: ATRF231USB – Hardware User Manual [APPLICATION NOTE] 31 42018A−AVR−08/2012 ...

Page 32

... PCB design data Appendix A. Schematic A.1 Figure 8-1. RF231USB-RD Atmel AVR2030: ATRF231USB – Hardware User Manual [APPLICATION NOTE] LGL29KG2J1-24-Z LED3 LYL29KJ1K2-26-Z LED2 TLMS1000-GS08 LED1 DIG3 IRQ 1 DIG4 SEL 2 P2 Balanced 4 RFP AVSS MOSI 3 GND 5 RFP DVSS RFP 4 unbalanced ...

Page 33

... Assembly drawing A.2 Figure 8-2. RF231USB-RD assembly drawing; top layer. Figure 8-3. RF231USB-RD assembly drawing; bottom layer. Atmel AVR2030: ATRF231USB – Hardware User Manual [APPLICATION NOTE] 63 42018A−AVR−08/2012 ...

Page 34

... R20, R21, R22, R23 1 Q2 Crystal 16.0MHz 1 Q1 Crystal 18.432MHz 1 X1 USB 2.0 connector type A Atmel AVR2030: ATRF231USB – Hardware User Manual [APPLICATION NOTE] Footprint Manuf. Part# 5 646 19 00.250.01 B side, 150μm 5 646 19 00.985.00 L side, 130μm 5 646 19 00.985.00 0402 1nF/ 10% ...

Page 35

... X2 Pin header degree 1 B1 2.4GHz Filter Balun 50Ω 1 SH1 EMI Shielding 1 ANT1 Ceramic antenna Atmel AVR2030: ATRF231USB – Hardware User Manual [APPLICATION NOTE] Footprint Manuf. Part# 2-line SMD SMD-6 2450FB15L0001E 24x17.5x3.05mm 1020059A 2450AT43B100 Manufacturer Harwin Johanson Technology Mekoprint ...

Page 36

... Atmel AVR2030: ATRF231USB – Hardware User Manual [APPLICATION NOTE] Offset/ Value Remarks bytes [:bit] 0x00 1 0x01 board-specific little endian 0x09 U231T-B Board type according to Atmel naming rules ...

Page 37

... Notes: • Gains are given as like ±127 × 1dBi; for example 4 = 4dBi. • Frequency ranges are given in f/10; for example 240 = 2400MHz. Atmel AVR2030: ATRF231USB – Hardware User Manual [APPLICATION NOTE] Offset/ Value Remarks bytes [:bit] 0x35 0 ...

Page 38

... Installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance. This device is approved as a mobile device with respect to RF exposure compliance, and may only be marketed to OEM installers. Atmel AVR2030: ATRF231USB – Hardware User Manual [APPLICATION NOTE] 38 42018A−AVR−08/2012 ...

Page 39

... The CE marking must be affixed visibly, legibly, and indelibly More detailed information about CE marking requirements you can find at "DIRECTIVE 1999/5/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL" March 1999 at section 12. Atmel AVR2030: ATRF231USB – Hardware User Manual [APPLICATION NOTE] 39 42018A−AVR−08/2012 ...

Page 40

... References Appendix C. [1] AT91SAM ARM-based Flash MCU, SAM3S Series, preliminary datasheet, doc. no. 6500; Atmel Corporation. Downloadable from: http://www.atmel.com/images/doc6500.pdf. [2] AT86RF231; Low Power, 2.4GHz Transceiver for ZigBee, IEEE 802.15.4, 6LoWPAN, RF4CE, SP100, WirelessHART and ISM Applications; Datasheet; Rev. 8111B-MCU Wireless-02/09; Atmel Corporation. Downloadable from: [3] IEEE Std 802 ...

Page 41

... Revision history RF231USB PCBA Appendix D. Version Description A09-1495/01 Initial revision Atmel AVR2030: ATRF231USB – Hardware User Manual [APPLICATION NOTE] 41 42018A−AVR−08/2012 ...

Page 42

... The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user indemnifies Atmel from all claims arising from the handling or use of the goods. Due to the open construction of the product the user’s responsibility to take any and all appropriate precautions with regard to electrostatic discharge and any other technical or legal concerns ...

Page 43

... ARM Ltd. Other terms and product names may be trademarks of others. Disclaimer: The information in this document is provided in connection with Atmel products. No license, express or implied, by estoppel or otherwise, to any intellectual property right is granted by this document or in connection with the sale of Atmel products. EXCEPT AS SET FORTH IN THE ATMEL TERMS AND CONDITIONS OF SALES LOCATED ON THE ATMEL WEBSITE, ATMEL ASSUMES NO LIABILITY WHATSOEVER AND DISCLAIMS ANY EXPRESS, IMPLIED OR STATUTORY WARRANTY RELATING TO ITS PRODUCTS INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT ...

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