HCS473T/SL Microchip Technology, HCS473T/SL Datasheet

IC KEELOQ 3AXIS TRANSCODR 14SOIC

HCS473T/SL

Manufacturer Part Number
HCS473T/SL
Description
IC KEELOQ 3AXIS TRANSCODR 14SOIC
Manufacturer
Microchip Technology
Series
KEELOQ®r
Type
Code Hopping Encoder and Transponderr
Datasheets

Specifications of HCS473T/SL

Applications
Access Control Systems
Mounting Type
Surface Mount
Package / Case
14-SOIC (3.9mm Width), 14-SOL
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
HCS473
Data Sheet
Code Hopping Encoder and Transponder
Preliminary
 2002 Microchip Technology Inc.
DS40035C

Related parts for HCS473T/SL

HCS473T/SL Summary of contents

Page 1

... Code Hopping Encoder and Transponder  2002 Microchip Technology Inc. Data Sheet Preliminary HCS473 DS40035C ...

Page 2

... Serialized Quick Turn Programming (SQTP service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. © 2002, Microchip Technology Incorporated, Printed in the U.S.A., All Rights Reserved. Printed on recycled paper. Microchip received QS-9000 quality system ...

Page 3

... Low battery operation • Passive proximity activation • 64-bit secure user EEPROM • Fast reaction time Peripherals • Low Voltage Detector • On-board RC oscillator with ±10% variation  2002 Microchip Technology Inc. ® L 3-Axis Transcoder OQ Package Types PDIP, SOIC S3/RFEN ...

Page 4

... When contacting a sales office or the literature center, please specify which device, revision of silicon and data sheet (include liter- ature number) you are using. Customer Notification System Register on our web site at www.microchip.com/cn to receive the most current information on all of our products. DS40035C-page 2 Preliminary  2002 Microchip Technology Inc. ...

Page 5

... Device Identifier - 16-bit value used to uniquely select one of multiple transponders for communi- cation. • Encoder - A device that generates and encodes data.  2002 Microchip Technology Inc. • Encryption Algorithm - A recipe whereby data is scrambled using a crypto key. The data can only EE OQ ...

Page 6

... The bi-directional communication path required for IFF is typically inductive for short range (<10cm) transpon- der applications with an inductive challenge and induc technol- tive response. Longer range (~1.5m) passive entry applications still transmit using the LF inductive path but the response is transmitted RF. Preliminary  2002 Microchip Technology Inc. ...

Page 7

... Sensor tuning 2. A properly tuned sensor's relative sensitivity  2002 Microchip Technology Inc. The transponder circuitry requires only the addition of external LC-resonant circuits for inductive communica- tion capability. • The open-drain LED output allows an external resistor for customization of LED brightness - and current consumption. • ...

Page 8

... RFEN. FIGURE 2-5: RF Circuit DATA Note: RDATA is disabled when the DATA line is driven. Preliminary S0/S1/S2 PIN DIAGRAM PD R S3/RFEN PIN DIAGRAM DD V RFEN PFET NFET PD R DATA PIN DIAGRAM DD V DATA OUT PFET NFET RDATA  2002 Microchip Technology Inc. ...

Page 9

... R DAMP LCCOM BIAS CURRENT 100Ω 10V  2002 Microchip Technology Inc. 2.3 Architectural Overview 2.3.1 WAKE-UP LOGIC The HCS473 automatically goes into a low-power Standby mode once connected to a supply voltage. Power is supplied to the minimum circuitry required to detect a wake-up condition; button activation or LC sig- nal detection ...

Page 10

... During every EEPROM write, the device ensures that the internal programming voltage acceptable level prior to performing the EEPROM write. Preliminary HCS473 TRANSPONDER CIRCUIT Rectifier/ V CCT Regulator Noise Filter Signal In Damp/Clamp Control  2002 Microchip Technology Inc. ...

Page 11

... RFEN OPTION RFEN Resulting S3/RFEN Configuration S3 button input pin with Schmitt Trigger 0 detector and internal pull-down resistor. RFEN output driver may not be used as a button input if the RFEN option is enabled  2002 Microchip Technology Inc. DD > 3.5V) and Preliminary HCS473 DS40035C-page 9 ...

Page 12

... HCS473 NOTES: DS40035C-page 10 Preliminary  2002 Microchip Technology Inc. ...

Page 13

... LC antenna input pin. This form of activation is called Proximity Activation as a code hopping transmission would be ini- tiated when the device was proximate field.  2002 Microchip Technology Inc. 3.1.2 TRANSMITTED CODE WORD The HCS473 transmits a 69-bit code word in response to a button activation or proximity activation, Figure 3- 1 ...

Page 14

... DISCRIM 16 Bits 10 Bits 0 15 LSb OVR0 69 Data bits Transmitted LSb first. Synchronization Synchronization Counter Counter 20 Bits 8 Bits 0 20 LSb 67 Data bits Transmitted LSb first. SDVAL1 SDVAL0 16 Bits 16 Least Sig Bits LSb 69 Data bits Transmitted LSb first.  2002 Microchip Technology Inc. ...

Page 15

... Preamble Sync Encrypt START bit bit 0 bit 1 bit 2 Preamble Header  2002 Microchip Technology Inc. The same code word repeats as long as the same input pins remain active, until a timeout occurs or a delayed seed transmission is activated. The modulated data timing is typically referred to in ...

Page 16

... A button re- activation within the queue time (T new transmission (new synchronization counter, encrypted data) using the updated QUE value. Button combinations are queued the same as individual but- tons. Preliminary  2002 Microchip Technology Inc then re-activated QUE ), ) apart. QUE ...

Page 17

... TABLE 3-1: VLOW STATUS BIT VLOW Description above selected trip voltage below selected trip voltage 1  2002 Microchip Technology Inc. All Buttons Released QUE1 Synch CNT = X ≤ t ≤ QUE T T 3.1.4.7 The S3/RFEN pin may be configured enable output PLL. The pin’ ...

Page 18

... RFT • 200 µs RFT • 400 µs RFT • 800 µs RFT Preliminary Code Word Code Word Limited Seed (SDLM) SEED Mode (SDMD) RF Baud Rate Select (RFBSL) because the DATA pin output is typically TE accuracy is sub  2002 Microchip Technology Inc. ...

Page 19

... LPRE options: • Standard 16 high pulse preamble • Long preamble, duration defined by LPRL  2002 Microchip Technology Inc. 3.1.4.18 Long Preamble Length (LPRL) The long preamble length option selects the first code word’s preamble length when the long preamble option (LPRE) is enabled ...

Page 20

... Write selected EEPROM areas. • Request a code hopping transmission. • Proximity Activation of a code hopping transmis- sion. • Address an individual transponder when multiple units are within the LF field; device selection for anticollision communication purposes. Preliminary  2002 Microchip Technology Inc. ...

Page 21

... Low-power mode; requiring another wake-up sequence to further demodulate data.  2002 Microchip Technology Inc. The demodulated signal on the LED pin is accurate to within +/-10µs of the signal on the LC pins. The injected signal will have baud rate limitations based on the HCS473’ ...

Page 22

... The RF response on the DATA pin will occur first (following the designated Encoder mode format), immediately followed by the LF response on the LC pins (Figure 3-20). Preliminary TE from FILTF INTELLIGENT DAMPING No Damping With Damping Damping Pulses DAMP T TE baud rate (Figure 3-11,  2002 Microchip Technology Inc. ...

Page 23

... LCRSP enables LF talkback). This short across the antenna inputs is detected by the reader as a load on its 125kHz transmitting antenna. See Section 5.4 for further details on inductive commu- nication principles.  2002 Microchip Technology Inc. FIGURE 3-10: LC PIN PULSE POSITION MODULATION (PPM) ‘0’ ...

Page 24

... Communication from HCS473 to reader DS40035C-page 22 FINH T should be appropriately adjusted to receive con- secutive commands Section 3.2.4 and Section 3.2.5 for LF response and consecutive command considerations. Command CMD T CMD 3LF 3LF SF T MAX Preliminary or LF responses. See Command T CMD  2002 Microchip Technology Inc. ...

Page 25

... Temporarily bypass a HCS473’s anticollision requirements. 2 Note 1: Command must be preceded by successful Select Transponder or Anticollision Off sequence if anticolli- sion is enabled successful Present Transport Code sequence must first occur to gain write access.  2002 Microchip Technology Inc. Description Preliminary HCS473 DS40035C-page 23 ...

Page 26

... CMD VID TID 12-Bit TID=0 TID=1 TID=2 TID=3 VID T TSACK Transponder Select ACK Example for TID=’0011’ 12-bit Vehicle 4-bit Token ID ] VID Preliminary TSCMD after the TSCMD MIN ‘XXX’ CMD Next Command TSCMD TID  2002 Microchip Technology Inc. ...

Page 27

... T CMD RF Response (DATA Pin) ACK  2002 Microchip Technology Inc. The present transport code sequence must precede a write sequence but not necessarily immediately. Per- haps all four user memory locations will be written and verified. The present transport code sequence must precede only the first write to gain write access. The system may then alternately write and read (verify) multiple memory locations ...

Page 28

... T IFF RESPONSE OPT CHAL CRC 16/32-Bit Option CRC Challenge T FINH Preliminary CMD after the T CMD Optional Next Command LF must remain on if following with consecutive command or if waiting for LF response RF Response (RFRSP=1) T IFF  2002 Microchip Technology Inc. ...

Page 29

... T CMD RF Response (DATA Pin) ACK  2002 Microchip Technology Inc. LFRSP determines if the response will be transmitted on the LC pins. The LC pin response will be the 32-bit result, modulated PPM format. If both RFRSP and LFRSP are enabled, the HCS473 will send the response on the DATA pin immediately fol- lowed by the PPM response on the LC pins ...

Page 30

... CRC Write Data T Preliminary CMD after the write CMD without receiving another T CMD Optional Next ACK Command Next Command LF must remain on if following with consecutive command or if waiting for LF response T CMD FINH T WRT T CMD Write ACK  2002 Microchip Technology Inc. ...

Page 31

... CMD T CMD RF Response (DATA Pin) ACK  2002 Microchip Technology Inc. Encoder mode options. The code word will contain a button code of ‘0000 not result from a button press. LFRSP determines if the response will be transmitted on the LC pins. The LC pin response will be the 32-bit hopping portion of the code word, modulated PPM for- mat ...

Page 32

... LC receiving antennas are design dependent, not a HCS473 specification. Preliminary CMD after the CMD without receiving another com- ‘XXX’ CMD T Next CMD Command Next Command T CMD T CMD CMD window waiting for an LC CMD window. FINH for consecutive commands and . and T FILTF  2002 Microchip Technology Inc. ...

Page 33

... CMD T AOACK RF Response (DATA Pin)  2002 Microchip Technology Inc. It must be clearly understood that the HCS473 core does not see the LF field immediately upon the base station turning it on, nor does it immediately detect its removal. If the internal analog delay and cumulative antenna delays are greater than a given low time, the HCS473 will obviously never “ ...

Page 34

... Preliminary Next Command T CMD T FINH T CMD TE 400 µs 400 µs E calculation method E sequence from the first Field E measurement will give  2002 Microchip Technology Inc. ...

Page 35

... Code”, “Write” and “Anticollision Off”. PLL setup occurs on the rising edge of the first CRC bit in anticipation of the Acknowledge. The setup time is therefore a function of... • LF baud rate • CRC value TPACK WRT AOACK • Response time  2002 Microchip Technology Inc. E Command CMD T CMD T 8LF 3LF ...

Page 36

... Data Response Sequences Concluding with CRC - IFF - Read - Request Hopping Code CRC Inductive In (LC) ASK RF (DATA) PLL (RFEN) FSK RF (DATA) PLL (RFEN) DS40035C-page CMD 12-Bit VID TID=0 TID=1 TID=2 TID=3 Command Response Time Response Time Preliminary Command CMD T Next Command Command  2002 Microchip Technology Inc. ...

Page 37

... Header Select MSEL 36 Modulation Format SDMD 37 Seed Mode SDLM 37 Limited Seed SDTM 37 Time Before Seed code word SDBT 37 Seed Button Code TSEL 38 Timeout Select MTX 38 Minimum Code Words  2002 Microchip Technology Inc. (1) Description Enable 0 - ASK ( 2. bits 0 - Disable 1 - Enable bits bits ( ...

Page 38

... TE (µs) 3.1.4.13 100 200 400 800 1 - Demod 3.2.1 Short 3.2.1 50% 3.1.4. 100ms 3.1.4. Enable 3.1.4. Enable 3.2.1 Enable 3.2.1 Enable 3.2.1 Enable 3.2.1 Enable 3.2.1 Enable 3.2.1.4 TE (µs) 3.2.1.3 100 200 400 800 DD < 5.5V vary  2002 Microchip Technology Inc. ...

Page 39

... PROGRAMMING SPECIFICATION The HCS473 programming specification is extensively covered in document DS41163 and will not be dupli- cated here.  2002 Microchip Technology Inc. Preliminary HCS473 DS40035C-page 37 ...

Page 40

... HCS473 NOTES: DS40035C-page 38 Preliminary  2002 Microchip Technology Inc. ...

Page 41

... ROM code. Storing the manufacturer’s code as part of the ROM code improves security by keeping it off the external bus to the EEPROM.  2002 Microchip Technology Inc. FIGURE 5-1: TYPICAL LEARN SEQUENCE Enter Learn ...

Page 42

... AM demodulator circuit. The demodulator extracts the transponder data for further processing by the base station software. Preliminary SYNCHRONIZATION WINDOW (16-BIT COUNTER) Blocked (32K Codes) Current Position Double Operation (32K Codes) Single Operation Window (16 Codes transponder  2002 Microchip Technology Inc. ...

Page 43

... Microchip Technology Inc. The key cannot be read from the EEPROM without costly die probing, but it can be calculated by brute force decryption attacks on transmitted code words. ...

Page 44

... HCS473 NOTES: DS40035C-page 42 Preliminary  2002 Microchip Technology Inc. ...

Page 45

... A project manager • Customizable toolbar and key mapping • A status bar • On-line help  2002 Microchip Technology Inc. The MPLAB IDE allows you to: • Edit your source files (either assembly or ‘C’) • One touch assemble (or compile) and download ...

Page 46

... ICEPIC In-Circuit Emulator The ICEPIC low cost, in-circuit emulator is a solution for the Microchip Technology PIC16C5X, PIC16C6X, PIC16C7X and PIC16CXXX families of 8-bit One- Time-Programmable (OTP) microcontrollers. The mod- ular system can support different subsets of PIC16C5X or PIC16CXXX products through the use of inter- changeable personality modules, or daughter boards ...

Page 47

... PIC16C92X PIC17C76X, may be supported with an adapter socket. The PICSTART Plus development programmer is CE compliant.  2002 Microchip Technology Inc. 6.11 PICDEM 1 Low Cost PICmicro Demonstration Board The PICDEM 1 demonstration board is a simple board which demonstrates the capabilities of several of Microchip’s microcontrollers. The microcontrollers sup- ...

Page 48

... Evaluation and Programming Tools evaluation and programming tools support Microchip’s HCS Secure Data Products. The HCS eval- uation kit includes a LCD display to show changing codes, a decoder to decode transmissions and a pro- gramming interface to program test transmitters. Preliminary  2002 Microchip Technology Inc. ...

Page 49

... DEVELOPMENT TOOLS FROM MICROCHIP MCP2510 MCRFXXX HCSXXX 93CXX 25CXX/ 24CXX/ PIC18FXXX PIC18CXX2 PIC17C7XX PIC17C4X PIC16C9XX PIC16F8XX PIC16C8X PIC16C7XX PIC16C7X PIC16F62X PIC16CXXX PIC16C6X PIC16C5X PIC14000 PIC12CXXX Tools Software Emulators Debugger Programmers  2002 Microchip Technology Inc. Kits Eval and Boards Preliminary HCS473 Demo DS40035C-page 47 ...

Page 50

... HCS473 NOTES: DS40035C-page 48 Preliminary  2002 Microchip Technology Inc. ...

Page 51

... This is a stress rating only and functional operation of the device at those or any other conditions above those indicated in the operation listings of this specification is not implied. Exposure to maximum rating conditions for extended periods may affect device reliability.  2002 Microchip Technology Inc. † SS ...

Page 52

... Active LC signals 4.5V ≤ V ≤ 5.5V DD Otherwise 4.5V ≤ V ≤ 5.5V DD Otherwise VLOWSEL = 2.2V VLOWSEL = 3.3V Vss ≤ V ≤ V PIN DD , Pin at Hi- impedance, no pull-downs enabled Vss ≤ V ≤ V PIN 8 -3 -0.5 mA 4.5V  2002 Microchip Technology Inc. ...

Page 53

... Carrier frequency LCS V LC Input Sensitivity LCC V LCCOM Output Voltage Note: These parameters are characterizied but not tested.  2002 Microchip Technology Inc. Standard Operating Conditions (unless otherwise stated) 0°C ≤ T Operating Temperature -20°C ≤ T Min Typ† Max 40 75 100 ...

Page 54

... HCS473 analog LF filter discharge time Cumulative LF antenna delay when field is turned on Cumulative LF antenna delay when field is turned off but not for FILTR ANTR ANTF , as they are design dependent. The system designer and T . ANTR ANTF Preliminary Description and temperature subject to HCS473  2002 Microchip Technology Inc. ...

Page 55

... HCS473’s timing, not the timing of the transponder reader. Therefore LF oscillator variation. 3: Response timing accounts for T must compensate communication accordingly for T 4: Timing parameters are characterized but not tested.  2002 Microchip Technology Inc. DD Tamb = 0°C to 70°C, 2.05V < V OSC MHz ± ...

Page 56

... DD Description (4) < 5.5V (4) < 5.5V (4) < 5.5V (4) < 5.5V (4) < 5.5V (4) < 5.5V (4) < 5.5V (4) < 5.5V (4) (4) < 5.5V (4) < 5.5V (4) < 5.5V (4) < 5.5V (4) < 5.5V (4) < 5.5V (4) < 5.5V (4) < 5.5V (4) < 5.  2002 Microchip Technology Inc. ...

Page 57

... T 4: Min and Max values modified for F tested. Very Important: Refer to Section 3.2.7 for communication requirements when using an Industrial tem- perature device at 3.5V < V  2002 Microchip Technology Inc. — HCS473 analog LF filter charge time — ...

Page 58

... HCS473 NOTES: DS40035C-page 56 Preliminary  2002 Microchip Technology Inc. ...

Page 59

... Standard marking consists of Microchip part number, year code, week code, facility code, mask rev#, and assembly code. For marking beyond this, certain price adders apply. Please check with your Microchip Sales Office. For SQTP devices, any special marking adders are included in SQTP price.  2002 Microchip Technology Inc. Example HCS473 ...

Page 60

... L p MILLIMETERS MIN NOM MAX 14 2.54 3.56 3.94 4.32 2.92 3.30 3.68 0.38 7.62 7.94 8.26 6.10 6.35 6.60 18.80 19.05 19.30 3.18 3.30 3.43 0.20 0.29 0.38 1.14 1.46 1.78 0.36 0.46 0.56 7.87 9.40 10.  2002 Microchip Technology Inc. ...

Page 61

... Mold Draft Angle Top Mold Draft Angle Bottom * Controlling Parameter § Significant Characteristic Notes: Dimensions D and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not exceed .010” (0.254 mm) per side. JEDEC Equivalent: MS-012 Drawing No. C04-065  2002 Microchip Technology Inc φ ...

Page 62

... HCS473 NOTES: DS40035C-page 60 Preliminary  2002 Microchip Technology Inc. ...

Page 63

... Low Voltage Detector............................................................ 9 Low-End System Security Risks ........................................... 4 M MPLAB C17 and MPLAB C18 C Compilers........................ 43 MPLAB ICD In-Circuit Debugger ........................................ 45  2002 Microchip Technology Inc. MPLAB ICE High Performance Universal In-Circuit Emulator with MPLAB IDE ................................................................. 44 MPLAB Integrated Development Environment Software.... 43 MPLINK Object Linker/MPLIB Object Librarian .................. 44 P Packaging Information ...

Page 64

... Plus, this line provides information on how customers ® ® can receive the most current upgrade kits.The Hot Line or Microsoft Numbers are: 1-800-755-2345 for U.S. and most of Canada, and 1-480-792-7302 for the rest of the world. Preliminary 092002  2002 Microchip Technology Inc. ...

Page 65

... What additions to the document do you think would enhance the structure and subject? 5. What deletions from the document could be made without affecting the overall usefulness there any incorrect or misleading information (what and where)? 7. How would you improve this document?  2002 Microchip Technology Inc. Total Pages Sent ________ FAX: (______) _________ - _________ N ...

Page 66

... Please specify which device, revision of silicon and Data Sheet (include Literature #) you are using. New Customer Notification System Register on our web site (www.microchip.com/cn) to receive the most current information on our products. DS40035C-page64 XXX Examples: a) Pattern To be supplied. Preliminary  2002 Microchip Technology Inc. ...

Page 67

... NOTES:  2002 Microchip Technology Inc. Preliminary HCS473 DS40035C-page 65 ...

Page 68

... Korea Microchip Technology Korea 168-1, Youngbo Bldg. 3 Floor Samsung-Dong, Kangnam-Ku Seoul, Korea 135-882 Tel: 82-2-554-7200 Fax: 82-2-558-5934 Singapore Microchip Technology Singapore Pte Ltd. 200 Middle Road #07-02 Prime Centre Singapore, 188980 Tel: 65-6334-8870 Fax: 65-6334-8850 Taiwan Microchip Technology (Barbados) Inc., Taiwan Branch 11F-3, No ...

Related keywords