VW4A091784ATMEGA256RFR2-XPRO

42079C-MCU-05/2013 USER GUIDE Atmel ATMEGA256RFR2 Xplained Pro Preface The Atmel® ATMEGA256RFR2 Xplained Pro evaluation kit is hardware platform to evaluate the ATmega256RFR2 microcontroller. Supported by the Atmel Studio integrated development platform, the kit provides easy access to the features of the Atmel ATmega256RFR2 and explains how to integrate the device in a customer design. The Xplained Pro MCU series evaluation kits include an on-board Embedded Debugger, and no external tools are necessary to program or debug the ATmega256RFR2. The Xplained Pro extension series evaluation kits offers additional peripherals to extend the features of the board and ease the development of customer designs. Atmel ATMEGA256RFR2 Xplained Pro [USER GUIDE] 42079C-MCU-05/2013 2 Table of Contents Preface .......................................................................................... 1 1. Introduction .............................................................................. 3 1.1.Features .............................................................................. 3 1.2.Kit overview ......................................................................... 3 2. Getting started ......................................................................... 5 2.1.Quick-start ........................................................................... 5 2.2.Connecting the kit ................................................................. 5 2.3.Design documentation and related links ..................................... 5 3. Xplained Pro ............................................................................ 6 3.1.Embedded Debugger ............................................................. 6 3.2.Hardware identification system ................................................. 6 3.3.Power supply ....................................................................... 7 3.3.1.Measuring ATmega256RFR2 power consumption ............ 7 3.4.Standard headers and connectors ............................................ 7 3.4.1.Xplained Pro extension header .................................... 7 3.4.2.Power header ........................................................... 8 4. Hardware user guide .............................................................. 9 4.1.Connectors .......................................................................... 9 4.1.1.I/O extension headers ................................................ 9 4.1.2.Other headers ........................................................ 12 4.2.Peripherals ......................................................................... 13 4.2.1.Crystals ................................................................. 13 4.2.2.Mechanical buttons .................................................. 13 4.2.3.LED ...................................................................... 13 4.2.4.RF ........................................................................ 13 4.2.5.Temperature sensor ................................................. 14 4.3.Embedded Debugger implementation ...................................... 14 4.3.1.JTAG ..................................................................... 14 4.3.2.Virtual COM port ..................................................... 15 4.3.3.Atmel Data Gateway Interface ................................... 15 5. Agency Certification .............................................................. 16 5.1.UNITED STATES (FCC) ....................................................... 16 5.2.European Union (ETSI) ........................................................ 16 5.3.List of Antennae tested with this product: ................................. 17 6. Hardware revision history and known issues ........................ 18 6.1.Identifying product ID and revision .......................................... 18 6.2.Revision 3 .......................................................................... 18 7. Document revision history ..................................................... 19 8. Evaluation board/kit important notice .................................... 20 Atmel ATMEGA256RFR2 Xplained Pro [USER GUIDE] 42079C-MCU-05/2013 3 1.Introduction 1.1Features ● Atmel® ATmega256RFR2 microcontroller ● Embedded Debugger (EDBG) ● USB interface ● Programming and debugging (target) through JTAG ● Virtual COM-port interface to target via UART ● Atmel Data Gateway Interface (DGI) to target via SPI or TWI ● Four GPIOs connected to target for code instrumentation ● Digital I/O ● Two mechanical buttons (user and reset button) ● One user LED ● Five extension headers ● Antenna ● One ceramic chip antenna (2450BM15A0015E) ● One SMA connector for external antenna ● Temperature sensor and EEPROM (AT30TSE758) ● Two possible power sources ● External power ● Embedded debugger USB ● 16MHz crystal ● 32kHz crystal 1.2Kit overview The Atmel ATMEGA256RFR2 Xplained Pro evaluation kit is a hardware platform to evaluate the Atmel ATmega256RFR2. The kit offers a set of features that enables the ATmega256RFR2 user to get started using the ATmega256RFR2 peripherals right away and to get an understanding of how to integrate the device in their own design. Atmel ATMEGA256RFR2 Xplained Pro [USER GUIDE] 42079C-MCU-05/2013 4 Figure 1-1. ATMEGA256RFR2 Xplained Pro evaluation kit overview. Atmel ATMEGA256RFR2 Xplained Pro [USER GUIDE] 42079C-MCU-05/2013 5 2.Getting started 2.1Quick-start 3 Steps to start exploring the Atmel Xplained Pro Platform ● Download and install Atmel Studio 1 . ● Launch Atmel Studio. ● Connect an USB cable to the DEBUG USB port. 2.2Connecting the kit When connecting Atmel ATMEGA256RFR2 Xplained Pro to your computer for the first time, the operating system will do a driver software installation. The driver file supports both 32-bit and 64-bit versions of Microsoft® Windows® XP and Windows 7. Once connected the green power LED will be lit and Atmel Studio will autodetect which Xplained Pro evaluation- and extension kit(s…

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Atmel Norway AS Vestre Rosten 79, 7075 Tiller, Norway Tlf:+47 72 88 43 88 Fax +47 72 88 43 99 31. Jan.13 To whomsoever it may concern Product Block diagram This document features the internal block diagram of the product mentioned below. Product name: ATMEGA256RFR2 Xplained Pro Product Model: ATMEGA256RFR2-XPRO FCC ID: Product Block diagram: ATMEGA256RFR2 EDBG Reset button U s e r b u t t o n U s e r L E D A D P V i r t u a l C O M - P o r t J T A G SPI (&TWI)JTAG SPI (&TWI) UART JTAG USB device GPIO CTRL GPIORESET RST CTRL S t a t u s L E D P o w e r L E D GPIOGPIO RF B A L U N + R F s w i t c h + S M A c o n n e c t o r a n d c e r a m i c a n t e n n a OSC32KOSC0 3 2 k H z c r y s t a l 1 6 M H z c r y s t a l I/OI/O E X T 1 E X T 2 E X T 5 I/O UART E X T 4 I/O E X T 3 I / O TWI A t m e l t e m p e r a t u r e s e n s o r w i t h E E P R O M Atmel Norway AS Vestre Rosten 79, 7075 Tiller, Norway Tlf:+47 72 88 43 88 Fax +47 72 88 43 99 Internal Block diagram of ATmega256RFR2 RF Transceiver IC, showing Internal Voltage Regulator – AVREG, DVREG Atmel Norway AS Vestre Rosten 79, 7075 Tiller, Norway Tlf:+47 72 88 43 88 Fax +47 72 88 43 99 RF Circuit Block Diagram : Sincerely, Saravanakumar Marudhachalam Manager, Tools HW Development, Atmel Norway AS RF Transceiver ATMEGA256RFR2 Balun 2450BM15A0015E RF Swtich AS222-92LF Ant1 (External) Ant2 2450AT18D0100

Atmel Norway AS Vestre Rosten 79, 7075 Tiller, Norway Tlf:+47 72 88 43 88 Fax +47 72 88 43 99 24 th May 2013 Cover Letter for ATMEGA256RFR2-XPRO FCC ID: VW4A091784 This evaluation board/kit is intended for use for FURTHER ENGINEERING, DEVELOPMENT, DEMONSTRATION, or EVALUATION PURPOSES ONLY by professional users and must not be incorporated into any other device or system. The device is not sold retail, to the general public. Standard antenna connectors are used. Antenna part number that was used for testing are included in the user manual. Saravanakumar Marudhachalam Manager, Tools HW Development

www.tuv.com Appendix 2 Prüfbericht - Nr.: Test Report No. 19660002 001 Seite 1 von 5 Page 1 of 5 EUT Top View EUT Bottom View www.tuv.com Appendix 2 Prüfbericht - Nr.: Test Report No. 19660002 001 Seite 2 von 5 Page 2 of 5 EUT Side View EUT Side View www.tuv.com Appendix 2 Prüfbericht - Nr.: Test Report No. 19660002 001 Seite 3 von 5 Page 3 of 5 EUT Side View EUT Side View www.tuv.com Appendix 2 Prüfbericht - Nr.: Test Report No. 19660002 001 Seite 4 von 5 Page 4 of 5 EUT Dimensional View EUT Dimensional View www.tuv.com Appendix 2 Prüfbericht - Nr.: Test Report No. 19660002 001 Seite 5 von 5 Page 5 of 5 External Antenna Dimensional view

www.tuv.com Appendix 4 Prüfbericht - Nr.: Test Report No. 19660002 001 Seite 1 von 2 Page 1 of 2 Label Diagram www.tuv.com Appendix 4 Prüfbericht - Nr.: Test Report No. 19660002 001 Seite 2 von 2 Page 2 of 2 Label Location

www.tuv.com Appendix 3 Prüfbericht - Nr.: Test Report No. 19660002 001 Seite 1 von 1 Page 1 of 1 RF Section- Transceiver with Ceramic and external antenna

31 .Jan.13 Theory of Operation/Technical Description – FCC ID: VW4A091784 - RF circuit function: The IEEE 802.15.4 compliant transceiver inside the Atmega256RFR2 SoC generates a modulated carrier wave at 2.4000- 2.4835 GHz with 15 IEEE 802.15.4 channels. This transceiver circuit is used by system applications as a physical layer for ZigBee applications. - RF signal flow: The Transceiver IC outputs a differential RF signal- RFP & RFN which then passes through the RF path till the antenna and gets radiated or vice versa during reception - Description of Antenna system: The Balun in the RF path converts the differential RF signal into a single ended 50 ohm side where it is fed to the Antenna connector after passing through tuning elements present to ensure compliance. - Compliance with 15.203 antenna requirements: FCC 15.203 requirements for this design are tested and verified during FCC compliance testing. - Description of all modulation schemes used in the product: Module uses O-QPSK with half-sine pulse shaping. Saravanakumar Marudhachalam Manager, Tools HW Development Atmel Norway AS Vestre Rosten 79, 7075 Tiller, Norway Tlf:+47 72 88 43 88 Fax +47 72 88 43 99

2.45 GHz AntennaP/N 2450AT18D0100 Detail Specification: Page 1 of 3 General Specifications Part Number Explanation Bulkeg.2450AT18D0100S T & Reg. 2450AT18D0100E 100% Tineg. 2450AT18D0100 (E or S) EVB p/n 2450AT18D0100-EB1SMA L±± W±± T±± a±± b±± www.johansontechnology.com 4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821 2012 Johanson Technology, Inc. All Rights Reserved **Leave space for a "shunt-series-shunt" in your preferred case size to be used as an antenna matching network "High Frequency Ceramic Solutions" Impedance Input Power 1.5 dBi typ. (XZ-total) 6.0 dB min. 2W max. Recommended Storage Conditions Reel Quanity 50 Ω -40 to +85°C 3,000 -1.0 dBi typ. (XZ-total) 2450AT18D0100 2400 - 2500 Return Loss Operating Temperatur e 0.20 0.126 0.0630.20 0.200.047 0.50 0.012 0.020 0.20 0.1/-0.2 P/N Suffix +5 ~ +35 °C, Humidity 45~75%RH, 12 mos. Max Packing Style Suffix = S Suffix = E Suffix = NoneTermination style Mechanical Dimensions 9/27/2012 Peak Gain Frequency (MHz) Part Number Average Gain Mounting Considerations Mount these devices with red mark facing up. *Line width should be designed to provide 50 Ω impedance matching characteristics. mm 3.20 1.60 1.20 0.30 0.008 .004/-.008 0.008 0.008 0.008 In Without Matching Circuits * Feeding line 1.02.01.0 0.6 0.7 0.6 4.1 4.0 0 Ohm Matching Circuits** No ground Ground Land Solder Resist b T L a w b Ground Ground 2.45 GHz AntennaP/N 2450AT18D0100 Detail Specification: 04/04/12 Page 2 of 3 Typical Electrical Performance (T=25°C) 2450AT18D0100-EB1SMA No. 1 2 3 4 www.johansontechnology.com 4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821 2012 Johanson Technology, Inc. All Rights Reserved "High Frequency Ceramic Solutions" Johanson Technology, Inc. reserves the right to make design changes without notice. Please confirm the specifications and delivery conditions when placing your order. All sales are subject to Johanson Technology, Inc. terms and conditions. GND GND Feeding Point Function GND Orderable EVB p/n (comes with female SMA connector) ) Via Ground Feeding Line Antenna No Ground 40mm 20mm Matching Circuits 2.22.42.62.82.03.0 -20 -10 -30 0 f req, GHz dB(S(1,1)) m1 m2 m3 m1 f req= dB(S(1,1))=-13.935 2.400GHz m2 f req= dB(S(1,1))=-14.774 2.500GHz m3 f req= dB(S(1,1))=-24.894 2.450GHz Typ Return Loss 1 2 4 3 2.45 GHz AntennaP/N 2450AT18D0100 Detail Specification: Page 3 of 3 Typical Electrical Performance (T=25°C) www.johansontechnology.com 4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821 2012 Johanson Technology, Inc. All Rights Reserved "High Frequency Ceramic Solutions" Johanson Technology, Inc. reserves the right to make design changes without notice. Please confirm the specifications and delivery conditions when placing your order. All sales are subject to Johanson Technology, Inc. terms and conditions. 9/27/2012 Typical Radiation Patterns XY cut @2.45GHz Vertical Horizontal 180º 270 º 0º 90º X Z Y XY-cut scanning direction XY-V/XY- 180º 270º 0º 90º X Z Y XZ-cut scanning direction XZ-V/XZ- XZ cut @2.45GHz Vertical Horizontal 180º 270º 0º 90º X Z Y YZ-cut scanning direction YZ-V/YZ-H YZ cut @2.45GHz Vertical Horizontal

Tekfun Co., Ltd. ________________________________________________________________________________________________________________________________________________________________________________________________________________________________ ___ TEKFUN CO., Ltd. E-mail: [email protected] URL: www.tekfun.com.tw 4F., No.32, Kunming St., Jhongli City, Taoyuan Hsien 32089, Taiwan Tel : 886-3-4280826 Fax:886-3-4280010 SPECIFICATION FOR APPROVAL CUSTOMER DESCRIPTION 2.4GHz Rubber Stubby Antenna with SMA Male Straight PART NO. M01-SS2 DATE DESIGNER DIRECTOR Approved by Customer/date: Tekfun Co., Ltd. Page1 of 6 ________________________________________________________________________________________________________________________________________________________________________________________________________________________________ ___ TEKFUN CO., Ltd. E-mail: [email protected] URL: www.tekfun.com.tw 4F., No.32, Kunming St., Jhongli City, Taoyuan Hsien 32089, Taiwan Tel : 886-3-4280826 Fax:886-3-4280010 ANTENNA SPECIFICATIONS FOR APPROVAL 1. GENERAL DESCRIPION 1.1 Type No. : M01-SS2 1.2 Customer P/N : 2. DESCRIPTION & APPLICATION 2.4GHz Rubber Stubby Antenna with SMA Male Straight 3. ELECTRICAL CHARACTERISTICS 3.1 Frequency Range : 2.4GHz (2.4~2.5GHz) 3.2 Electric Wave : 1/4, Monopole Antenna 3.3 V.S.W.R : < 2 3.4 Impedance : 50 Ω, Nominal 3.5 Gain : < 0dBi 3.6 Connector : SMA Male Straight 4. PACKING STYLE Poly Bag Tekfun Co., Ltd. ________________________________________________________________________________________________________________________________________________________________________________________________________________________________ ___ TEKFUN CO., Ltd. E-mail: [email protected] URL: www.tekfun.com.tw 4F., No.32, Kunming St., Jhongli City, Taoyuan Hsien 32089, Taiwan Tel : 886-3-4280826 Fax:886-3-4280010 5. APPEARANCE DRAWING Tekfun Co., Ltd. ________________________________________________________________________________________________________________________________________________________________________________________________________________________________ ___ TEKFUN CO., Ltd. E-mail: [email protected] URL: www.tekfun.com.tw 4F., No.32, Kunming St., Jhongli City, Taoyuan Hsien 32089, Taiwan Tel : 886-3-4280826 Fax:886-3-4280010 6. Test Report VSWR Tekfun Co., Ltd. ________________________________________________________________________________________________________________________________________________________________________________________________________________________________ ___ TEKFUN CO., Ltd. E-mail: [email protected] URL: www.tekfun.com.tw 4F., No.32, Kunming St., Jhongli City, Taoyuan Hsien 32089, Taiwan Tel : 886-3-4280826 Fax:886-3-4280010 7. Test Report Return LOSS

Atmel Norway AS Vestre Rosten 79, 7075 Tiller, Norway Tlf:+47 72 88 43 88 Fax +47 72 88 43 99 31 th Jan 2013 To whomsoever it may concern Product Application This document explains the nature of intended application of the product mentioned below. Product name: ATMEGA256RFR2 Xplained Pro Product Model: ATMEGA256RFR2-XPRO FCC ID: VW4A091784 Product Application: The ATMEGA256RFR2-XPRO is a reference design for the Atmel ATmega256RFR2 single-chip microcontroller and radio transceiver. The IC integrates a powerful, 8-bit AVR ® RISC microcontroller, an IEEE 802.15.4-compliant transceiver, and additional peripheral features. The built-in radio transceiver supports the worldwide accessible 2.4GHz ISM band. The system is designed to demonstrate standard-based applications such as ZigBee/IEEE 802.15.4, ZigBee RF4CE, and 6LoWPAN, as well as high data rate ISM applications. The SMA antenna connector allows either operation with the antenna provided with the RCB or conducting RF performance measurements. Sincerely, Saravanakumar Marudhachalam Manager, Tools HW Development, Atmel Norway AS

www.tuv.com Appendix 10 Prüfbericht - Nr.: Test Report No. 19660002 001 Seite 1 von 2 Page 1 of 2 RF Exposure Report RF Exposure Measurement The limit for Maximum Permissible Exposure (MPE) specified in clause 2.5.1 of RSS-102 Issue 4 is followed. The gain of the antennas used in the product is extracted from the Antenna data sheets provided and also the maximum total power input to the antenna is measured. Through the Friis transmission formula and the maximum gain of the antenna, we can calculate the distance, away from the product, where the limit of MPE is reached. Although the Friis Transmission formula is far field assumption, the calculated result of that is an over- prediction for near field power density. It is taken as worst case to specify the safety range. RF Exposure Limit According to clause 2.5.1 of RSS-102 Issue 4: The criteria listed in the following table shall be used to evaluate the environmental impact of the human exposure to radio-frequency (RF) radiation as specified in clause 4 Limits for Maximum Permissible Exposure (MPE) Frequency Range (MHz) Electric Field Strength (V/m) Magnetic Field Strength (A/m) Power Density (W/m²) Limits for Occupational / controlled Exposures 300 - 1500 3.54 ƒ 0.5 0.0094 ƒ 0.5 F/30 1500 – 150000 137 0.364 50.0 Limits for General population / Uncontrolled Exposure 300 - 1500 1.585 ƒ 0.5 0.0042 ƒ 0.5 F/150 1500 – 150000 61.4 0.163 10.0 F= Frequency in MHz www.tuv.com Appendix 10 Prüfbericht - Nr.: Test Report No. 19660002 001 Seite 2 von 2 Page 2 of 2 Friss Formula Friss Transmission Formula: Pd = (Pout * G) / (4*pi*r²) Where Pd = power density in W/m² Pout = output power to antenna in Watt G = gain of antenna in linear scale Pi = 3.1416 R = Distance between observation point and the center of radiator in meter If we know the maximum gain of the antenna and the total output power to the antenna, through calculation, we will know MPE value at distance 20cm. EUT Operation condition EUT was enabled to transmit and receive at lowest, middle and highest channels. Classification The antenna of this product, under normal use condition, is at least 20cm away from the body of the user. Warning statement to the user for keeping at least 20cm or more separation distance from the antenna should be included in the User manual. So, this device is classified as Mobile device. Test Results 1. Ceramic Antenna : Antenna Gain=1.5dBi=1.4125 (Linear Scale) Frequency Band Frequency(MHz) Output Power to Antenna (W) Power Density (W/m²) Limit (W/m²) 2400 -2483.5MHz 2405 0.00247 6.94106E-07 10.000 2440 0.00263 7.39069E-07 10.000 2475 0.002535 7.12372E-07 10.000

11 22 33 44 55 66 77 88 D D C C B B A A 1 ATMEGA256RFR2_Xplained_Pro_TopLevel.SchDoc 1 7 2/26/2013 11:21:03 AM Top Level Schematics ATMEL NorwayVestre Rosten 79N-7075 TILLERNORWAY PAGE: of TITLE:Document number: Revision: 3 Date: *** Label PCBA with MAC64 and FCC IDCannot open file C:\Documents and Settings\jllass Product number/revisionSerial number LABEL1 SJ-5076E1RUBBER FEET SJ-5076E2RUBBER FEET SJ-5076E3RUBBER FEET SJ-5076E4RUBBER FEET JTAGDGI_SPIDGI_TWIDGI_GPIOCDC_UARTTARGET_RESET_SENSE EXT2EXT3EXT1EXT4EXT5 TWI RFN RFP DIG1DIG2 Target_MCUATMEGA256RFR2_Xplained_Pro_Target_MCU.SchDoc EDBG_JTAG ID_SYS EDBG_CDC_UART EDBG_DGI_TWI EDBG_DGI_SPI EDBG_DGI_GPIO TARGET_RESET_SENSE EDBG_ADC0 EDBGATMEGA256RFR2_Xplained_Pro_EDBG.SchDoc ID_SYSEXT1EXT3EXT2EXT4EXT5 ConnectorsATMEGA256RFR2_Xplained_Pro_Connectors.SchDoc TARGET_VOLTAGE Power_supplyATMEGA256RFR2_Xplained_Pro_dual_input_power_supply.SchDoc A12-0609DOC1 $ >_ A11-0180TEST1 TWITEMP_ALERT Temperature SensorATMEGA256RFR2_Xplained_Pro_Temperature.SchDoc ANTENNA_NANTENNA_PSWITCH_PSWITCH_N AntennaATMEGA256RFR2_Xplained_Pro_Antenna.SchDoc A13-0086FIXTURE1 A08-1609PCB1 A11-0196 FE AB 26 E0 FF FF FF FF 9F 0C 4D 00 F3 57 E8 96 F4 64 98 0235 07 92 86 62 87 5F 0E FW1 F C CI D: V W4 A09 17 8 4 11 22 33 44 55 66 77 88 D D C C B B A A 4 ATMEGA256RFR2_Xplained_Pro_Target_MCU.SchDoc 4 7 2/26/2013 11:21:04 AM Target MCU ATMEL NorwayVestre Rosten 79N-7075 TILLERNORWAY PAGE: of TITLE:Document number: Revision: 3 Date: *** TARGET_RESET TCK TDI TDOTMS JTAG JTAG DGI_GPIO0DGI_GPIO1DGI_GPIO2DGI_GPIO3 DGI_GPIO DGI_GPIO MISOMOSI SCK SS DGI_SPI DGI_SPI SCL SDA DGI_TWI DGI_TWI RXD TXD CDC_UART CDC_UART 13 42 SKRAAKE010 SW300 13 42 SKRAAKE010 SW301 21 EL17-21UYC/A2 D301 Yellow GND GND 330R R302 VCC_TARGET_P3V3 USER_LED USER_BUTTON 100k R300 VCC_TARGET_P3V3 TARGET_RESET_SENSE 39R R305 4.7nC301 39R R306 GND 13 42 SKRARRAKE010 SW301 GND 100k R300 VCC_TARGET_P3V3 39R R305 4.7nC301 GND RESET button with current limit and noise filter 13 42 SKRARRAKE010 SW300 GND USER_BUTTON 39R R306 USER_BUTTON 21 EL17-21UYC/A2 D301 Yellow 330R R302 VCC_TARGET_P3V3 USER_LEDUSER_LED EXT2EXT3 EXT1 PIN10_SPI_SS_B/GPIOPIN11_TWI_SDAPIN12_TWI_SCLPIN13_UART_RXPIN14_UART_TXPIN15_SPI_SS_APIN16_SPI_MOSIPIN17_SPI_MISOPIN18_SPI_SCKPIN3_ADC(+)PIN4_ADC(-)PIN5_GPIOPIN6_GPIOPIN7_PWM(+)PIN8_PWM(-)PIN9_IRQ/GPIO EXT PIN10_SPI_SS_B/GPIOPIN11_TWI_SDAPIN12_TWI_SCLPIN13_UART_RXPIN14_UART_TXPIN15_SPI_SS_APIN16_SPI_MOSIPIN17_SPI_MISOPIN18_SPI_SCKPIN3_ADC(+)PIN4_ADC(-)PIN5_GPIOPIN6_GPIOPIN7_PWM(+)PIN8_PWM(-)PIN9_IRQ/GPIO EXT PIN10_SPI_SS_B/GPIOPIN11_TWI_SDAPIN12_TWI_SCLPIN13_UART_RXPIN14_UART_TXPIN15_SPI_SS_APIN16_SPI_MOSIPIN17_SPI_MISOPIN18_SPI_SCKPIN3_ADC(+)PIN4_ADC(-)PIN5_GPIOPIN6_GPIOPIN7_PWM(+)PIN8_PWM(-)PIN9_IRQ/GPIO EXT PF2:ADC2:DIG2 1 PF3:ADC3:DIG4 2 PF4:ADC4:TCK 3 PF5:ADC5:TMS 4 PF6:ADC6:TDO 5 PF7:ADC7:TDI 6 PF1:ADC1 64 PF0:ADC0 63 PB0:SSN:PCINT0 36 PB1:SCK:PCINT1 37 PB2:MOSI:PDI:PCINT2 38 PB3:MISO:PDO:PCINT3 39 PB4:OC2A:PCINT4 40 PB5:OC1A:PCINT5 41 PB6:OC1B:PCINT6 42 PB7:OC0A:OC1C:PCINT7 43 PD0:SCL:INT0 25 PD1:SDA:INT1 26 PD2:RXD1:INT2 27 PD3:TXD1:INT3 28 PD4:ICP1 29 PD5:XCK1 30 PD6:T1 31 PD7:T0 32 PE0:RXD0:PCINT8 46 PE1:TXD0 47 PE2:XCK0:AIN0 48 PE3:OC3A:AIN1 49 PE4:OC3B:INT4 50 PE5:OC3C:INT5 51 PE6:T3:INT6 52 PE7:ICP3:INT7:CLKO 53 PG0:DIG3 14 PG1:DIG1 15 PG2 / AMR 16 PG3:TOSC2 17 PG4:TOSC1 18 PG5:OC0B 19 DEVDD 23 DEVDD 34 DEVDD 44 DEVDD 54 DVSS 24 DVSS 35 DVSS 45 DVSS 55 AVSS_RFP 7 RFP 8 RFN 9 AVSS_RFN 10 AVSS:ASVSS 58 AVSS 61 EVDD 59 AVDD 60 DVDD 21 DVDD 22 DVSS:DSVSS 20 XTAL2 56 XTAL1 57 AREF 62 CLKI 33 Paddle 65 TST 11 RSTN 12 RSTON 13 ATMEGA256RFR2ZUU301 GND GND 1uC306 12pFC30512pFC307 GND GND GND GND 22p C300 GND 32.768kHzXC300 13 24 16.0MHzXC301 GNDGND 100nC308 100nC309 100nC310 100nC311 100n C304 GND PF2_DIG2 PG1_DIG1 22p C302 GNDGND PF0_ADC0PF1_ADC1PF3_GPIOPE0_UART0_RXDPE1_UART0_TXDPE2_GPIOPE3_GPIO PG0_GPIOPG2_GPIOPG3_TOSCPG4_TOSCPG5_GPIO PD0_TWI_SCLPD1_TWI_SDAPD2_UART1_RXDPD3_UART1_TXDPD4_GPIOPD5_GPIOPD6_GPIOPD7_GPIOPB0_SPI_SSPB1_SPI_SCKPB2_SPI_MOSIPB3_SPI_MISOPB4_OC2APB5_OC1APB6_OC1BPB7_GPIO PE4_GPIO_INTPE5_GPIO_INTPE6_GPIO_INTPE7_GPIO_INT PB1_SPI_SCKPB2_SPI_MOSIPB3_SPI_MISOPG0_GPIOPD0_TWI_SCLPD1_TWI_SDAPB1_SPI_SCKPB2_SPI_MOSIPB3_SPI_MISOPD0_TWI_SCLPD1_TWI_SDAPB1_SPI_SCKPB2_SPI_MOSIPB3_SPI_MISOPD0_TWI_SCLPD1_TWI_SDAPG2_GPIOPD4_GPIOPF0_ADC0_FSPF1_ADC1_FSPE2_GPIOPE3_GPIOPB5_OC1APB6_OC1BPE6_GPIO_INT PD0_TWI_SCLPD1_TWI_SDAPB1_SPI_SCKPB2_SPI_MOSIPB3_SPI_MISOPB0_SPI_SS TSTRSTON PE4_GPIO_INT PB4_OC2A RSTON CLKI CLKITST GND J308 J302J303J304J305J306 AREF AREF PE5_GPIO_INTPE7_GPIO_INTPD7_GPIOPB7_GPIOPG5_GPIO J309J310J311J312 100k100k R301 GND 100k100k R303 GND 1u C303 J307 J313 PF7_TDIPF6_TDOPF5_TMSPF4_TCK PF7_TDIPF6_TDOPF5_TMSPF4_TCK PE2_GPIOPE3_GPIOPE6_GPIO_INTPE5_GPIO_INT J315 J316 PD2_UART1_RXDPD3_UART1_TXD PE0_UART0_RXDPE1_UART0_TXD 123456 J323 HEADER 1x6 N.M. VCC_MCU_P3V3 VCC_MCU_P3V3 VCC_MCU_P3V3 PF3_GPIO J317J318 EXT_UART_RXDEXT_UART_TXD EXT_UART_RXDEXT_UART_TXDEXT_UART_RXDEXT_UART_TXDPD6_GPIOPD5_GPIO J322 RSTN PD0_TWI_SCLPD1_TWI_SDA GND GND GND GND ADC Input protection/scaling 10k R308 10k R310 10k R309 10k R311 J320J321J319 J314 EXT5 EXT4 PIN10_SPI_SS_B/GPIOPIN11_TWI_SDAPIN12_TWI_SCLPIN13_UART_RXPIN14_UART_TXPIN15_SPI_SS_APIN16_SPI_MOSIPIN17_SPI_MISOPIN18_SPI_SCKPIN3_ADC(+)PIN4_ADC(-)PIN5_GPIOPIN6_GPIOPIN7_PWM(+)PIN8_PWM(-)PIN9_IRQ/GPIO EXT PIN10_SPI_SS_B/GPIOPIN11_TWI_SDAPIN12_TWI_SCLPIN13_UART_RXPIN14_UART_TXPIN15_SPI_SS_APIN16_SPI_MOSIPIN17_SPI_MISOPIN18_SPI_SCKPIN3_ADC(+)PIN4_ADC(-)PIN5_GPIOPIN6_GPIOPIN7_PWM(+)PIN8_PWM(-)PIN9_IRQ/GPIO EXT PB1_SPI_SCKPB2_SPI_MOSIPB3_SPI_MISOPG0_GPIOPD0_TWI_SCLPD1_TWI_SDAPB1_SPI_SCKPB2_SPI_MOSIPB3_SPI_MISOPD0_TWI_SCLPD1_TWI_SDAPD4_GPIOPE6_GPIO_INTPE5_GPIO_INTPE0_UART0_RXDPE1_UART0_TXDEXT_UART_RXDEXT_UART_TXDPD6_GPIOPD5_GPIO PF0_ADC0_FSPF1_ADC1_FS SDA SCL TWI TWI RFN RFP DIG1 DIG2 Strap for testing crystal safety factor Strap for testing crystal safety factor RSTN RSTN RSTN TP301 TP300 PF7_TDIPF6_TDOPF5_TMSPF4_TCK 12345 J301HEADER 1x5 N.M. SPARE HEADER RSTONC…

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