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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

Summary of content (22 pages)

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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.
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Table of Contents 1. Introduction ........................................................................................ 3 1.1 1.2 1.3 1.4 Summary ........................................................................................................... 3 Applications ....................................................................................................... 3 Abbreviations and acronyms ............................................................................. 3 Related documents ........
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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.
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HAF High Frequency HVAC Heating, Ventilating, and Air Conditioning HW Hardware 2 1.4 IC 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.
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[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.
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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 .
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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.
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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: 3.1.2 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.
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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 20, upto 1000 Kbps 50 Ω On-air data rate TX output/ RX input nominal impedance Range For balanced Open field, LoS, Elevated 1.
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Physical/environmental characteristics and outline 3.2 Table 3-5. Physical characteristics. Parameters Value Size 30.0 x 20.0 mm Operating temperature range -40°C to +85°C Comments -40°C to +85°C operational Pin configuration 3.
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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.
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Figure 3-1. ATZB-RF-212B-0-CN Dimensions Error! Reference source not found.
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Figure 3-2. ATZB-RF-212B-0-CN Pinout Error! Reference source not found.
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Figure 3-3. ATZB-RF-212B-0-CN Footprint Dimensions Error! Reference source not found.
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Figure 3-4. ATZB-RF-212B-0-CN Mounting Information Error! Reference source not found.
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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) .
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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.
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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.
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7. Agency Certifications 7.1 United States (FCC) This equipment complies with Part 15 of the FCC rules and regulations.
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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.
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Appendix A. Revision history Doc. Rev. Date Comments 0.1 16.Jul.13 Internal Initial release 0.5 24.Dec.13 Added more sections Error! Reference source not found.
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