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HARDWARE INTERFACE

- Hadron

mini

 Technical Information Manual

 

21

 

Output voltage range 

0.2 

 

3.1  V 

 

DNL 

 

 

±2  LSB 

 

INL 

 

 

±4  LSB  

 

Offset 

 

 

±10  mV 

 

Gain error 

 

 

±0.5  % 

 

Settling time  

 

4  μsec 

CLOAD < 50 pF & RLOAD > 5 kΩ 

Tab. 3.11: Analog Interface Specification 

EPC Class-1 Generation-2 Operation 

Supported RF modes 

The R1271C Hadron

mini

 supports the following RF modes: 

Key Value 

Description 

Auto (Defaults to mode 1) 

Dense Reader Mode profile for FCC operation 

Dense Reader Mode profile for ETSI operation 

Very fast mode with reduced sensitivity and noise immunity 

Very sensitive mode with reduced speed and reduced noise immunity 

Tab. 3.12: Supported RF Modes 

The  link  between  each  RF  modes  and  the  forward  and  reverse  link  profile  are  reported  in  the  following 
table: 

RF 

Modes 

Forward Link Profile 

Reverse Link Profile 

R2T 

Modulation 

Tari 

RTCAL 

T2R 

Modulation 

Link 

Frequency 

TRCAL 

PR-ASK 

25 μs 

62.5 μs  M4 

250 kHz 

85.333 μs 

PR-ASK 

25 μs 

62.5 μs  M4 

300 kHz 

71.111 μs 

 3

1

 

DSB-ASK 

6.25 μs 

15.625 μs  FM0 

400 kHz 

20 μs 

DSB-ASK 

25 μs 

75 μs  FM0 

40 kHz 

200 μs 

Tab. 3.13: RF Modes – Forward and Reverse Link Profiles 

In the following table are reported the inventory performances that can be achieved with RF Mode 1 and 
RF Mode 3: 

Parameter 

Min. 

Typ. 

Max.  Unit 

Conditions 

Inventory Rate 
(RF Mode 1) 

 

146   

Tags/sec 

1 Tag with tag population estimate = 0 (Q=0) 

 

140   

Tags/sec 

20 Tags with tag population estimate = 16 

 

191   

Tags/sec 

100 Tags with tag population estimate = 128 

Inventory Rate 
(RF Mode 3) 

 

230   

Tags/sec 

1 Tag with tag population estimate = 0 (Q=0) 

 

207   

Tags/sec 

20 Tags with tag population estimate = 16 

 

214   

Tags/sec 

100 Tags with tag population estimate = 128 

Tab. 3.14: Inventory Performance 

Note: Data gathered with reader performing 10 seconds of inventory in Dual Target, Session 0. 
 
 

                                                      
 

1

 

Only for FCC version ( mod. WR1271CXUAAA)

 

Summary of Contents for Hardon mini R1271C

Page 1: ...TECHNICAL INFORMATION MANUAL Revision 01 8 July 2020 Hadronmini R1271C High Performance 1 port Embedded Reader...

Page 2: ...om CAEN RFID srl 2020 Disclaimer No part of this manual may be reproduced in any form or by any means electronic mechanical recording or otherwise without the prior written permission of CAEN RFID The...

Page 3: ...enerates uses and can radiate radio frequency energy If not installed and used in accordance with the instruction manual the product may cause harmful interference to radio communications Operation of...

Page 4: ...s 1 Generation 2 Operation 21 Supported RF modes 21 EPC Class 1 Generation 2 Functionality 22 4 LAYOUT AND COMPONENTS 23 Introduction 23 PCB Layout for RF 23 50 Ohm Characteristic Impedance 23 Package...

Page 5: ...Pads 25 Fig 4 4 Recommended Solder Reflow Profile for the Hadronmini R1271C 25 Fig 5 1 Operating Mode State Diagram 27 Fig 7 1 Development Board Block Diagram 30 Fig 7 2 Hadronmini R1271C Development...

Page 6: ...s based on the Impinj R2000 chipset that permits to achieve fast reading speed and to be used in dense reader and dense tag environments for top class rated performances The compactness of the device...

Page 7: ...271C Hadronmini Evaluation Board allows managing the Hadronmini R1271C reader directly via USB and RS232 interfaces This board is particularly suited for Hadronmini R1271C reader reader evaluation and...

Page 8: ...r Antenna SMA ETSI or FCC n 1 Set of Labels n 1 RT0012 Dual frequency NFC UHF temperature logger n 1 RT0005 Temperature Logger Tag n 1 Support for kit assembling n 2 USB cables n 1 WALIM0000004 Wall m...

Page 9: ...1 port Embedded RAIN RFID Reader ETSI WR1271CXUAAA R1271C Hadronmini High Performance 1 port Embedded RAIN RFID Reader FCC Development kit WR1271CXDKEU Hadronmini ETSI Dev Kit with antenna interface...

Page 10: ...3V level Iout 8mA max Connectivity UART Serial Port Baudrate from 9 6 to 921 6 kbps default 115 2 kbps Databits 8 Stopbits 1 Parity none Flow control none 3 3 V I O voltage level Power Supply 3 6 to...

Page 11: ...tibility Inventory FastID Tag Population Estimate Select Session Target Access Read Write Lock Kill BlockPermalock and QT Shielded to prevent unwanted radiation and provide noise immunity in embedded...

Page 12: ...ni R1271C RF is required to connect to the UHF RFID antenna UART1 Tx and Rx are required to communicate with the system host Recommended connections nRST is used to reset the Hadronmini R1271C if UART...

Page 13: ...ne to a PCB antenna or SMT antenna or it could include a connector and coaxial cable The RF connection is single ended referenced to ground For more information about impedance matching see PCB Layout...

Page 14: ...NRST voltage is above 2 V This arrangement is shown in Fig 3 2 NRST Pin Circuit Diagram page 14 and the resistor size requirement is shown in Equation Warning Voltages outside of the maximum IO opera...

Page 15: ...e controlled using the IRI interface Their drive mode direction and state are all controllable via IRI There are two directions input and output In both input and output directions there are three pos...

Page 16: ...le it remains high the device stays in the bootstrap This allows bootloading of the part even if the bootloadable code is corrupted The WKUP pin operates at a 3 3 V logic level It has a 40 k typical p...

Page 17: ...Digital I O General purpose I O 19 GPIO3 Digital I O General purpose I O 20 GPIO4 Digital I O General purpose I O 21 STATUS Digital Output R1271C status indication 22 HEALTH Digital Output R1271C heal...

Page 18: ...t consumed by Hadronmini R1271C via VDC_IN pin Active mode 5V supply GX 700 mA 27 dBm transmit power Inventorying tags Active mode 3 6V supply 1000 mA 27 dBm transmit power Inventorying tags Idle mode...

Page 19: ...traints Tx Power Error Difference between desired Tx power and actual Tx power at a given ambient temperature 10 to 30 C 30 to 60 C 20 to 10 C Room temp 23 PTX 27 dBm 10 PTX 23 dBm 0 5 1 0 0 5 1 0 dB...

Page 20: ...6 921 6 kbaud Data bits 8 bits Parity bit None Stop bits 1 bits Tab 3 10 Digital Interface Specification Parameter Min Typ Max Unit Conditions ADC Pin 13 Resolution 12 Bits Conversion voltage range 1...

Page 21: ...Link Profile R2T Modulation Tari RTCAL T2R Modulation Link Frequency TRCAL 1 PR ASK 25 s 62 5 s M4 250 kHz 85 333 s 2 PR ASK 25 s 62 5 s M4 300 kHz 71 111 s 3 1 DSB ASK 6 25 s 15 625 s FM0 400 kHz 20...

Page 22: ...e following table shows the main EPC C1G2 functionalities of the R1271C Hadronmini reader Parameter Description Select Support for 2 Select commands Inventory FastID TagFocus Tag Population Estimate S...

Page 23: ...pedance of the Hadronmini R1271C 50 Ohms For example if a 40 Ohm transmission line is used the reflection coefficient will be 10 90 11 1 thus 11 1 of the power will be reflected back into the Hadronmi...

Page 24: ...generated by power losses due to the resistance of the trace There are many online resources and tools designed to assist in designing PCB transmission lines with the correct characteristic impedance...

Page 25: ...print copper and pastemask dimensions are shown in the following Fig 4 3 Recommended Etched Copper Footprint All Pads SMT Reflow Information The solder manufacturer s recommended reflow profile is sho...

Page 26: ...if the HIC is 10 when read at 23 C 5 C 4 After MBB is opened devices should go through reflow for board assembly within 168 hours at factory conditions of 30 C 60 RH or stored at 10 RH If both of thes...

Page 27: ...ransitions are shown in two categories IRI activity and non IRI activity IRI activity shows transitions that are caused by commands communicated over IRI Non IRI activity shows transitions that are ca...

Page 28: ...reads In Standby mode a GPIO or WKUP pin event is required to return to active mode In Sleep mode a WKUP pin event is required to wake the part and will reset the part resulting in the normal startup...

Page 29: ...ommunication with the R1271C via IRI occurs in two states 1 Configuration synchronous a All communications are commands and responses b Start and Stop commands cause transition to the Listen state 2 L...

Page 30: ...gle board computer and be powered by and communicate with the Pi It can also be used as a USB peripheral to a desktop computer or connected to an arbitrary host device and power supply Development Boa...

Page 31: ...the center pin of the antenna selection jumper J1 Removing the jumper causes the switch to connect the Hadronmini R1271C s RF port to the SMT antenna A1 Installing the jumper in the leftmost position...

Page 32: ...IOs of the Hadronmini R1271C J5 is the series current IDD jumper It allows a series current measurement to be performed while the Hadronmini R1271C is operating If no series current measurement is de...

Page 33: ...M LPT section Right click on the USB Serial Port COMx representing the FTDI interface Select Properties In the Properties dialog navigate to the Port Settings tab and click Advanced Under the BM Optio...

Page 34: ...rd Front and Backside flipped Layout The layout can be downloaded from the Hadronmini R1271C web page Hadronmini R1271C Technical drawing Fig 7 4 Development Board Front and Backside flipped Layout De...

Page 35: ...ns regulations requirements and equipment functions not associated with the Hadronmini R1271C For example compliance must be demonstrated to regulations for other transmitter components within the hos...

Page 36: ...nd on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and re...

Page 37: ...adronmini R1271C has been determined by conservative calculation to be less than 20 cm for the allowable antenna types The end product User s Guide must include the following statement in a prominent...

Page 38: ...er ETSI corresponds in the submitted version to the following standards ETSI EN 301 489 1 V2 2 0 2017 EN 55032 2015 CEI EN 55024 2010 A1 2015 ETSI EN 301 489 3 V2 1 1 2017 ETSI EN 302 208 V3 1 1 2017...

Page 39: ...Hadronmini R1271C FCC GRANT Hadronmini R1271C FCC Grant...

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