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Atmel 556-ATREB212BSMA-EK, Hardware User Manual

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APPLICATION NOTE 

AT02876: Atmel REB212BSMA Hardware User Manual 

Atmel MCU Wireless 

 
 
 

Introduction 

This manual describes the REB212BSMA radio extender board, demonstrating 

the high performance at ultra-low power consumption of the Atmel

®

 AT86RF212B 

radio transceiver. 

Features 

•

 

High-performance 700/800/900MHz, RF-CMOS AT86RF212B radio transceiver 

targeted for ZigBee

®

, IEEE

®

 802.15.4, 6LoWPAN, and ISM Applications 

– 

121dB link budget 

– 

Ultra-low current consumption 

– 

Ultra-low supply voltage (1.8V to 3.6V) 

•

 

RF reference design and high-performance evaluation platform 

•

 

Interfaces to several of the Atmel microcontroller development platforms 

•

 

Board information EEPROM 

– 

MAC address 

– 

Board identification, features, and serial number 

– 

Crystal calibration values 

 
 
 
 
 

 

 

 

Atmel-42097B-WIRELESS-AT02876-REB212BSMA-Hardware-User-Manual_ApplicationNote_062014 

Summary of Contents for 556-ATREB212BSMA-EK

Page 1: ...AT86RF212B radio transceiver targeted for ZigBee IEEE 802 15 4 6LoWPAN and ISM Applications 121dB link budget Ultra low current consumption Ultra low supply voltage 1 8V to 3 6V RF reference design a...

Page 2: ...ation about third party materials or parts was included in this document for convenience The vendor may have changed the information that has been published Check the individual vendor information for...

Page 3: ...uarter wave whip antenna Figure 3 1 The REB212BSMA Connected to a REB CBB 4 Functional Description The block diagram of the REB212BSMA radio extender board is shown in Figure 4 1 The power supply pins...

Page 4: ...latform to enable support for various Atmel 8 bit AVR microcontrollers The REB212BSMA is preconfigured to interface to an STK501 with an Atmel ATmega1281 or a REB CBB with an Atmel ATxmega 256A3 respe...

Page 5: ...PD1 TP4 38 PD0 IRQ 39 GND 40 EE WP write protect EEPROM Note 1 Possible by retrofitting a 0R assembly 4 1 2 Atmel ATmega644 Configuration Table 4 2 lists the pin assignment of the ATmega644 configura...

Page 6: ...ransceiver The select signal for each SPI slave EEPROM radio transceiver is decoded with the reset line of the transceiver RSTN Therefore the EEPROM is addressed when the radio transceiver is held in...

Page 7: ...65 72 32 31 32 RadioExtender212 0030 42 53 4D 41 00 00 00 00 00 00 00 00 00 00 2B D5 BSMA 0040 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 0050 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 006...

Page 8: ...t guarantees a tolerance of within 20ppm and 5ppm The correction value to be applied to TRX register XOSC_CTRL 0x12 is stored in the ID EEPROM see Section 4 2 The reference frequency is also available...

Page 9: ...ve Isolate digital noise from the antenna and the radio transceiver to achieve optimum range and RF performance Isolate digital noise from the 16MHz reference crystal to achieve optimum transmitter an...

Page 10: ...nator circuit These capacitors are to be placed close to the crystal The ground connection in between the capacitors should be a solid copper area right underneath the crystal including the housing co...

Page 11: ...is a number of pro s and con s when it comes to the shielding topic The major con s are Cost of the shield Manufacturing effort Inaccessibility for test and repair The number of pro s might be longer...

Page 12: ...s mounted also need some attention The shield has to be integrated in the ground planes Vias in a short distance to the pads will ensure a low impedance connection and also close the FR4 substrate as...

Page 13: ...ual datasheets of the components used Table 7 1 Absolute Maximum Ratings Storage temperature 40 to 85 C Supply voltage 0 3 to 3 6 V Ext IO pin voltage 0 3 to Vcc 0 3 V Supply current from batteries 0...

Page 14: ...ications for Low Rate Wireless Personal Area Networks LR WPANs 5 FCC Code of Federal Register CFR Part 47 Section 15 35 Section 15 205 Section 15 209 Section 15 232 Section 15 247 and Section 15 249 U...

Page 15: ...AT02876 Atmel REB212BSMA Hardware User Manual APPLICATION NOTE Atmel 42097B WIRELESS AT02876 REB212BSMA Hardware User Manual_ApplicationNote_062014 15 Appendix A PCB Design Data A 1 Schematic...

Page 16: ...itor SMD 0402 X7R 16V 10 GRM155R71C104KA88 D Murata 100nF 2 C37 C38 Ceramic capacitor SMD 0402 NP0 50V 5 ECJ0EC1H100D Panasonic 10pF 1 C40 Ceramic capacitor SMD 0402 NP0 50V 0 25pF GRM1555C1H2R2CZ01 D...

Page 17: ...ick film resistor SMD 0402 1 16W 1 RC1005F1002CS Samsung 10k0 1 SH1 EMI Shield Frame 25x30x3mm LT08AD4303F Laird Technologies LT08AD4303F 1 SH2 EMI Shield Cover 25 6x30 6x2mm LT08AD4303C Laird Technol...

Page 18: ...1 2 Compliance Statement Part 15 105 b This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed t...

Page 19: ...the OEM product The CE mark shall consist of the initials CE taking the following form If the CE marking is reduced or enlarged the proportions given in the above graduated drawing must be respected...

Page 20: ...02876 REB212BSMA Hardware User Manual_ApplicationNote_062014 20 Appendix C Revision History Doc Rev Date Comments 42097B 06 2014 The ATREB212BSMA EK is certified as Limited modular transmitter with FC...

Page 21: ...OFITS BUSINESS INTERRUPTION OR LOSS OF INFORMATION ARISING OUT OF THE USE OR INABILITY TO USE THIS DOCUMENT EVEN IF ATMEL HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES Atmel makes no representat...

Page 22: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Microchip ATREB212BSMA EK...

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