MICROCHIP TECHNOLOGY A091743 ATZB-RF-212B-0-CN Sub GHz Transciever ZigBit Module User Manual Manual

Atmel Norway AS ATZB-RF-212B-0-CN Sub GHz Transciever ZigBit Module Manual

Manual

ZIGBIT 900 MHZ WIRELESS MODULES ATZB-RF-212B-0-CN DATASHEET Features  Ultra Compact size (30.0 x 20.0 mm)  MCU less Tranceiver module with SPI interface  High RX sensitivity (-103 dBm)  Outperforming link budget (up to +112 dB)  Up to +9.0 dBm output power  Very low power consumption:  8.7 mA in RX mode (1)  27 mA in TX mode (1)  0.7 µA in sleep mode(2)  Internal Clock Output  Preassigned Atmel® MAC address that can be used on end product  Capability to use MAC address into the onboard EEPROM  IEEE® 802.15.4 compliant Transceiver  900MHz ISM band  Rapid design-in with built-in Chip Antenna  RF Test point using MS-147 RF connector  Small physical footprint and low profile for optimum fit in very small application boards  Mesh networking capability  Easy-to-use low cost development kit  Single source of support for HW and SW  Worldwide license-free operation Note: 1. MCU is in active state with 3V Supply, CPU clock @ 16MHz, RX RPC enabled (for RX current), PHY_TX_PWR=0x0 (for TX current), All digital outputs pulled high. Note: 2. Controller Sleep Mode – SLEEP_MODE_PWR_DOWN
Error! Reference source not found. [ZigBit 900 MHz Wireless Modules] 2 Table of Contents 1. Introduction ........................................................................................ 3 1.1 Summary ........................................................................................................... 3 1.2 Applications ....................................................................................................... 3 1.3 Abbreviations and acronyms ............................................................................. 3 1.4 Related documents ........................................................................................... 4 2. ZigBit Module Overview ..................................................................... 6 2.1 Overview ........................................................................................................... 6 3. Specification....................................................................................... 8 3.1 Electrical Characteristics ................................................................................... 8 3.1.1 Absolute Maximum Ratings ................................................................ 8 3.1.2 Power Supply ...................................................................................... 8 3.1.3 RF Characteristics .............................................................................. 9 3.2 Physical/environmental characteristics and outline ......................................... 10 3.3 Pin configuration ............................................................................................. 10 3.4 Antenna Orientation Recommendation ........................................................... 11 3.5 Mounting information ....................................................................................... 11 3.6 Soldering profile .............................................................................................. 16 3.7 Antenna reference designs ............................................................................. 17 4. Section 4 .......................................................................................... 17 4.1.1 General recommendations ................................................................ 17 5. Persistence Memory ........................................................................ 18 6. Ordering information ........................................................................ 18 7. Agency Certifications ....................................................................... 19 7.1 United States (FCC) ........................................................................................ 19 7.2 Canada (IC) .................................................................................................... 19 Appendix A. Revision history ........................................................... 21
Error! Reference source not found. [ZigBit 900 MHz Wireless Modules] 3 1. Introduction 1.1 Summary ATZB-RF-212B-0-CN ZigBit® is an ultra-compact and low-power 900 MHz IEEE 802.15.4/ZigBee® OEM module from Atmel®. Based on the innovative mixed-signal hardware platform from Atmel, this module uses the AT86RF212B [4] 700/800/900 MHz ISM band Transceiver alone on a very compact Module design that provides the customer to integrate the module to any of the recommended Atmel’s Microcontrollers that the application fits. The radio transceiver provides high data rates from 20 kb/s up to 1 Mb/s, frame handling, outstanding receiver sensitivity and high transmit output power enabling a very robust wireless communication. The module is designed for wireless sensing, monitoring, control, data acquisition applications, to name a few. This ZigBit module eliminates the need for costly and time-consuming RF development, and shortens time-to-market for wireless applications. The module has an MS-147 RF connector that can be used as an RF test port. The built-in chip antenna is designed and tuned for the ZigBit design to enable quick integration of the ZigBit into any application. 1.2 Applications The ZigBit module is compatible with robust IEEE 802.15.4/ZigBee stack that supports a self-healing, self-organizing mesh network, while optimizing network traffic and minimizing power consumption. For detailed Software support information, please visit www.atmel.com/wireless The applications include, but are not limited to:  Building automation & monitoring o Lighting controls o Wireless smoke- and CO-detectors o Structural integrity monitoring  HVAC monitoring & control  Inventory management  Environmental monitoring  Security  Water metering  Industrial monitoring o Machinery condition and performance monitoring o Monitoring of plant system parameters such as temperature, pressure, flow, tank level, humidity, vibration, etc.  Automated meter reading (AMR) 1.3 Abbreviations and acronyms ADC Analog-to-Digital Converter API Application Programming Interface DC Direct Current DTR Data Terminal Ready EEPROM Electrically Erasable Programmable Read-Only Memory ESD Electrostatic Discharge GPIO General Purpose Input/Output
Error! Reference source not found. [ZigBit 900 MHz Wireless Modules] 4 HAF High Frequency HVAC Heating, Ventilating, and Air Conditioning HW Hardware I2C Inter-Integrated Circuit IEEE Institute of Electrical and Electronics Engineers IRQ Interrupt Request ISM Industrial, Scientific and Medical radio band JTAG Digital interface for debugging of embedded device, also known as IEEE 1149.1 standard interface MAC Medium Access Control layer MCU Microcontroller Unit. In this document it also means the processor, which is the core of a ZigBit module NRE Network layer OEM Original Equipment Manufacturer OTA Over-The-Air upgrade PA Power Amplifier PCB Printed Circuit Board PER Package Error Ratio RAM Random Access Memory RF Radio Frequency RPC Reduced Power Consumption RTS/CTS Request to Send/ Clear to Send RX Receiver SMA Surface Mount Assembly SoC System on Chip SPI Serial Peripheral Interface SW Software TTM Time-To-Market TX Transmitter UART Universal Asynchronous Receiver/Transmitter USART Universal Synchronous/Asynchronous Receiver/Transmitter USB Universal Serial Bus ZigBee, ZigBee PRO Wireless networking standards targeted at low-power applications 802.15.4 The IEEE 802.15.4-2003 standard applicable to low-rate wireless Personal Area Network 1.4 Related documents [1] MS-147 Series Interface RF Connector with Switch, 3.9mm High, DC to 6GHz http://www.hirose.co.jp/cataloge_hp/e35801505.pdf
Error! Reference source not found. [ZigBit 900 MHz Wireless Modules] 5 [2] IEEE Std 802.15.4-2003 IEEE Standard for Information technology - Part 15.4 Wireless Medium Access Control (MAC) and Physical Layer (PHY) Specifications for Low-Rate Wireless Personal Area Networks (LR-WPANs) [3] ZigBee Specification. ZigBee Document 053474r17, October 19, 2007 [4] AT86RF212B Datasheet in http://www.atmel.com/devices/AT86RF212B.aspx?tab=documents
Error! Reference source not found. [ZigBit 900 MHz Wireless Modules] 6 2. ZigBit Module Overview 2.1 Overview The ATZB-RF-212B-0-CN ZigBit is a compact, low-power, high sensitivity IEEE 802.15.4/ZigBee OEM module. Based on a solid combination of the latest Atmel MCU Wireless hardware platform, 900 MHz ISM band transceiver and Atmel Studio Wireless Composer - the ZigBit offers an unmatched combination of superior radio performance, ultra-low power consumption and exceptional ease of integration. Figure 2-1. ATZB-RF-212B-0-CN Block diagram . This ZigBit module contains Atmel’s AT86RF212B 900 MHz ISM band Transceiver for ZigBee and IEEE 802.15.4 [1]. The compact board design of the Radio Transceiver with very minimal components on the RF path to Antenna dramatically improves the ZigBit’s compact size, range performance on signal transmission and increases its sensitivity. This ensures stable connectivity within a larger coverage area, and helps develop applications on smaller footprint. The MS-147 connector [1] can be used as an RF Test port. ZigBit Module contains a complete RF design with all the necessary passive components included. The module can be easily mounted on a simple 2-layer PCB with a minimum of required external connection. The ZigBit Module Evaluation kit containing the ZigBit Extension board for the Atmel Xplained PRO HW Evaluation platform can be used to develop FW using the Atmel Studio and evaluate using the Wireless Composer. Compared to a custom RF/MCU solution, a module-based solution offers considerable savings in development time and NRE cost per unit during the HW/FW design, prototyping, and mass production phases of product development. Depending on end-user design requirements, the ZigBit can operate as a self-contained sensor node, where it would be paired with a host processor driving the module over a serial interface.
Error! Reference source not found. [ZigBit 900 MHz Wireless Modules] 7 The MAC stack running on the host processor can then control data transmission and manages module peripherals. Thus very minimal firmware customization is required for successful module design-in. Third-party sensors can then be connected directly to the module, thus expanding the existing set of peripheral interfaces. Every ZigBit Module come pre loaded with Atmel assigned 64-bit MAC address stored in the signature bytes of the device. This unique IEEE MAC address can be used as the MAC address of the end product, so there is no need to buy a MAC address separately for the product using the ZigBit.
Error! Reference source not found. [ZigBit 900 MHz Wireless Modules] 8 3. Specification 3.1 Electrical Characteristics 3.1.1 Absolute Maximum Ratings Table 3-1. Absolute Maximum Ratings (1)(2) Parameter Minimum Maximum Voltage on any pin, except RESET with respect to ground -0.3V 3.6V (VDD max) Input RF level +10 dBm Current into Vcc pins 200 mA Notes: 1. Absolute Maximum Ratings are the values beyond which damage to the device may occur. Under no circumstances must the absolute maximum ratings given in this table be violated. Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress rating only. Functional operation of the device at these or other conditions, beyond those indicated in the operational sections of this specification, is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. 2. Attention! ZigBit is an ESD-sensitive device. Precaution should be taken when handling the device in order to prevent permanent damage. 3.1.2 Power Supply Table 3-2. Test Conditions (unless otherwise stated), Vcc = 3V, Tamb = 25°C. Parameter Range Unit Supply voltage, VDD 1.8 to 3.6 V Current consumption: RX mode 9.3 mA Current consumption: TX mode, PLL ON 5 mA Current consumption: TX mode (1) – BUSY_TX – Transmit state with max output power 26.9 mA Current consumption: TRX_OFF 617 µA Sleep Current consumption: TRX Sleep 0.7 µA Note 1: Output TX power (when measuring consumption in TX mode) is +9 dBm. Current consumption depends on multiple factors, including but not limited to, the board design and materials. When this module is assembled on a base board, the MCU current also should be considered in estimating Active and Sleep currents of the product
Error! Reference source not found. [ZigBit 900 MHz Wireless Modules] 9 3.1.3 RF Characteristics Table 3-3. RF Characteristics (1). Parameter Condition Range Unit Frequency band 902 to 928 MHz Numbers of channels (FCC and Industry Canada) 10 Channel spacing 2 MHz Transmitter output power Adjusted in 36 steps -25 to +11 dBm Receiver sensitivity PER = 1% -103 dBm On-air data rate 20, upto 1000 Kbps TX output/ RX input nominal impedance For balanced 50 Ω Range Open field, LoS, Elevated 1.120# km Note# : Range measured is Line of Sight at 10ft elevation from Ground at different combinations of orientation of transmitter and receiver, with special conditions were there is minimal or no RF interference from other sources. For best case orientation of the ZigBits to achieve maximum range, refer to section Error! Reference source not found.. Table 3-4. TX power settings PHY_TX_PWR 3:0 Register value Power register setting [dBm] Output power [dBm] (typical values at RF connector) C0 11 8.59 C1 10 8.14 80 9 7.43 82 8 5.85 83 7 4.97 84 6 4.1 40 5 3.58 86 4 2.12 00 3 1.4 01 2 0.42 02 1 -0.93 03 0 -2.09 04 -1 -3.16 27 -2 -4.29 91 -6 -7.86 0D -10 -12.27 15 -18 -19.51 1D -25 -26.82 Note 1: For detailed characteristics, please refer [4]
Error! Reference source not found. [ZigBit 900 MHz Wireless Modules] 10 3.2 Physical/environmental characteristics and outline Table 3-5. Physical characteristics. Parameters Value Comments Size 30.0 x 20.0 mm Operating temperature range -40°C to +85°C -40°C to +85°C operational 3.3 Pin configuration Table 1 ATZB-RF-212B-0-CN Pinout description Pin Out Pin descriptions Function 1 AVSS Analog Ground 2 AVSS Analog Ground 3 DEVDD Digital Power input pin 4 DEVDD Digital Power input pin 5 /RST REST active low 6 /SEL SPI select, active low 7 MOSI SPI data input 8 MISO SPI data output 9 SCLK SPI clock 10 DIG1 Reserved 11 FEM_CSD Reserved 32 DIG3 RX TX Indication 33 DIG4 RX TX Indication (Inverted) 34 DIG2 Tx- Rx time-stamp 35 SLP_TR Controls sleep, deep sleep, transmit start, receive states; active high 36 SCL TWI- EEPROM 37 SDA TWI- EEPROM 38 FEM_CPS Reserved 39 CLKM Master Clock out put 40 IRQ Interrupt request signal output 41 DVSS Digital Ground 42 DVSS Digital Ground
Error! Reference source not found. [ZigBit 900 MHz Wireless Modules] 11 3.4 Antenna Orientation Recommendation The Antenna in this module is designed to provide the best possible LoS range in the direction indicated in this illustration. 3.5 Mounting information The Figure below shows the PCB layout recommended for a ZigBit module. Neither via-holes nor wires are allowed on the PCB upper layer in the area occupied by the module. As a critical requirement, RF_GND pins should be grounded via several via-holes to be located right next to the pins thus minimizing inductance and preventing both mismatch and losses.
Error! Reference source not found. [ZigBit 900 MHz Wireless Modules] 12 Figure 3-1. ATZB-RF-212B-0-CN Dimensions
Error! Reference source not found. [ZigBit 900 MHz Wireless Modules] 13 Figure 3-2. ATZB-RF-212B-0-CN Pinout
Error! Reference source not found. [ZigBit 900 MHz Wireless Modules] 14 Figure 3-3. ATZB-RF-212B-0-CN Footprint Dimensions
Error! Reference source not found. [ZigBit 900 MHz Wireless Modules] 15 Figure 3-4. ATZB-RF-212B-0-CN Mounting Information
Error! Reference source not found. [ZigBit 900 MHz Wireless Modules] 16 The ZigBit’s location and orientation on the carrier board is illustrated in the above PCB Land pattern and Mounting information drawing. The Recommended placement of ZigBit on Carrier Board needs to be accurately followed to ensure performance on the end application 3.6 Soldering profile The J-STD-020C-compliant soldering profile is recommended according to Table 3-6. Table 3-6. Soldering profile (1). Profile feature Green package Average ramp-up rate (217°C to peak) 3°C/s max Preheat temperature 175°C ±25°C 180s max Temperature maintained above 217°C 60s to 150s Time within 5°C of actual peak temperature 20s to 40s Peak temperature range 260°C Ramp-down rate 6°C/s max Time within 25°C to peak temperature 8 minutes Note: 1. The package is backward compatible with PB/Sn soldering profile.
Error! Reference source not found. [ZigBit 900 MHz Wireless Modules] 17 3.7 Antenna reference designs Multiple factors affect proper antenna match, hence, affecting the antenna pattern. The particular factors are the board material and thickness, shields, the material used for enclosure, the board neighborhood, and other components adjacent to antenna. Following guidelines need to be followed when designing the base board for the ZigBit. General Recommendations:  Metal enclosure should not be used. Using low profile enclosure might also affect antenna tuning.  Placing high profile components next to antenna should be avoided.  Having holes/vias punched around the periphery of the board eliminates parasitic radiation from the board edges also distorting antenna pattern.  ZigBit module should not be placed next to consumer electronics which might interfere with ZigBit’s RF band frequency. The board design should prevent propagation of microwave field inside the board material. Electromagnetic waves of high frequency may penetrate the board thus making the edges of the board radiate, which may distort the antenna pattern. To eliminate this effect, metalized and grounded holes/vias must be placed around the board's edges. 4. Section 4 Figure 4-1. Internal schematics. RFonly_212B_Schematics_include first Page only Handling Instructions The ZigBit Modules are fixed with an EMI Shield to ensure compliance to Emission and Immunity rules. This shield is galvanic and NOT air tight. So cleaning of the module with IPA / other similar agents is not advised. Humidity protection coating (conformal) will cause deviated RF behavior and coating material being trapped inside EMI Shield. So this should be avoided. For products requiring conformal coating, it is advised to suitably mask the ZigBit before applying the coating to rest of the ZigBit carrier board. To protect ZigBit from humidity, the housing of the product should ensure suitable Ingress Protection standards are complied with. The MS-147 connector should never be exposed to Varnish / similar conformal coating material which will affect electrical connection on the surfaces of connector. The in-built chip antenna has been tuned for the particular design 4.1.1 General recommendations  Metal enclosure should not be used. Using low profile enclosure might also affect antenna tuning  Placing high profile components next to antenna should be avoided  Having holes/vias punched around the periphery of the board eliminates parasitic radiation from the board edges also distorting antenna pattern  ZigBit module should not be placed next to consumer electronics which might interfere with ZigBit's RF frequency band
Error! Reference source not found. [ZigBit 900 MHz Wireless Modules] 18 5. Persistence Memory A dedicated memory space is allocated to store product specific information and called the Persistence Memory. The organization of the persistence memory is as follows: Table 5-1. Persistence Memory ATZB-RF-212B-0-CN Zigbit contains AT24MAC602 which has a globally unique MAC address that can be assigned as the physical address of a system hardware device or node. Persistence memory is stored in the First-half of the Standard 2-Kbit EEPROM of AT24MAC602 starting from address 0x00. Special commands are available to read the unique 64-bit MACID and the persistent memory via the I2C-compatible (2-wire) serial interface (see section "Device Addressing” in AT24MAC602[5] for details). Note: 1 The MAC address stored inside the AT24MAC602 is a uniquely assigned ID for each ZigBit and owned by Atmel. User of the ZigBit application can use this unique MAC ID to address the ZigBit in end-applications. The MAC ID can be read from the ZigBit using the Performance Analyzer Application that can be downloaded from www.atmel.com/wireless 6. Ordering information Part number Description ATZB-RF-212B-0-CN 900 MHz IEEE802.15.4/ZigBee OEM module based on AT86RF212B Transceiver with MS-147 test connector and chip antenna, Single unit ATZB-RF-212B-0-CNR 900 MHz IEEE802.15.4/ZigBee OEM module based on AT86RF212B Transceiver with MS-147 test connector and chip antenna, Tape & Reel Note: Tape and reel quantity: 200. Data Size Structure Revision 2 bytes MAC address(1) 8 bytes Board information overall 49 bytes Board information – PCBA Name 30 bytes Board information – PCBA Serial number 10 bytes Board information – PCBA Atmel Part Number 8 bytes Board information – PCBA Revision 1 byte Reserved 3 bytes Xtal Calibration Value 1 byte Reserved 7 bytes Reserved 4 bytes CRC 2 bytes
Error! Reference source not found. [ZigBit 900 MHz Wireless Modules] 19 7. Agency Certifications 7.1 United States (FCC) This equipment complies with Part 15 of the FCC rules and regulations. To fulfill FCC Certification requirements, an OEM manufacturer must comply with the following regulations: The ATZB-RF-212B-0-CN modular transmitter must be labeled with its own FCC ID number, and, if the FCC ID is not visible when the module is installed inside another device, then the outside of the device into which the module is installed must also display a label referring to the enclosed module. This exterior label can use wording such as the following: IMPORTANT: Contains FCC ID: VW4A091743. This equipment complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation (FCC 15.19). The internal antenna used for this mobile transmitter must provide a separation distance of at least 20 cm from all persons and must not be colocated or operating in conjunction with any other antenna or transmitter. 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. Use in portable exposure conditions (FCC 2.1093) requires separate equipment authorization. IMPORTANT: Modifications not expressly approved by this company could void the user's authority to operate this equipment (FCC section 15.21). IMPORTANT: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense (FCC section 15.105). 7.2 Canada (IC) This device complies with Industry Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device. Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation est autorisée aux deux conditions suivantes: (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement.
Error! Reference source not found. [ZigBit 900 MHz Wireless Modules] 20 This equipment complies with radio frequency exposure limits set forth by Industry Canada for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20 cm between the device and the user or bystanders. Cet équipement est conforme aux limites d'exposition aux radiofréquences définies par Industrie Canada pour un environnement non contrôlé. Cet équipement doit être installé et utilisé avec un minimum de 20 cm de distance entre le dispositif et l'utilisateur ou des tiers CAUTION: Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. The OEM integrator is still responsible for testing their end-product for any additional compliance requirements required with this module installed (for example, digital device emissions, PC peripheral requirements, etc.). This Module is labelled with its own IC ID. If the IC ID Certification Number is not visible while installed inside another device, then the device should display the label on it referring the enclosed module. In that case, the final end product must be labelled in a visible area with the following: “Contains Transmitter Module IC:11019A-091743” OR “Contains IC: 11019A-091743” Ce module est étiqueté avec son propre ID IC. Si le numéro de certification IC ID n'est pas visible lorsqu'il est installé à l'intérieur d'un autre appareil, l'appareil doit afficher l'étiquette sur le module de référence ci-joint. Dans ce cas, le produit final doit être étiqueté dans un endroit visible par le texte suivant: “Contains Transmitter Module IC: 11019A-091743” OR “Contains IC: 11019A-091743”
Error! Reference source not found. [ZigBit 900 MHz Wireless Modules] 21 Appendix A. Revision history Doc. Rev. Date Comments 0.1 16.Jul.13 Internal Initial release 0.5 24.Dec.13 Added more sections
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