Electronic Components Datasheet Search
  British  ▼
ALLDATASHEET.CO.UK

X  

HCS412 Datasheet(PDF) 19 Page - Microchip Technology

Part # HCS412
Description  KEELOQ짰 Code Hopping Encoder and Transponder Burglar alarm systems
PDF  52 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

HCS412 Datasheet(HTML) 19 Page - Microchip Technology

Back Button HCS412_11 Datasheet HTML 15Page - Microchip Technology HCS412_11 Datasheet HTML 16Page - Microchip Technology HCS412_11 Datasheet HTML 17Page - Microchip Technology HCS412_11 Datasheet HTML 18Page - Microchip Technology HCS412_11 Datasheet HTML 19Page - Microchip Technology HCS412_11 Datasheet HTML 20Page - Microchip Technology HCS412_11 Datasheet HTML 21Page - Microchip Technology HCS412_11 Datasheet HTML 22Page - Microchip Technology HCS412_11 Datasheet HTML 23Page - Microchip Technology Next Button
Zoom Inzoom in Zoom Outzoom out
 19 / 52 page
background image
© 2011 Microchip Technology Inc.
DS41099D-page 19
HCS412
FIGURE 4-1:
FIELD ACKNOWLEDGE SEQUENCE
FIGURE 4-2:
LC PIN PULSE POSITION MODULATION (PPM)
3LFTE
TPU
3LFTE 3LFTE
2LFTE
Command
TATO
Communication from reader to HCS412
Filed ACK Sequence from HCS412 to reader
8LFTE
Inductive
Comms
RF
Comms
8LFTE
(DATA)
(LC)
RF
Comms
(DATA)
Field Ack sequence repeats every 255 LFTE if no command is received.
255LFTE
255LFTE
(LC)
Inductive
Comms
0
1
0
1
Start or
previous
bit
Transponder reader communication to the HCS412
HCS412 response back to the reader
2 LFTE
2 LFTE
4 LFTE
2 LFTE
2 LFTE LFTE
LFTE
LFTE
Start or
previous
bit
Extending the high time
is acceptable but the low
time should minimally
be 1 LFTE.
TBITC
TBITC
TBITR
TBITR
The HCS412 determines
bit values from rising edge
to rising edge times.



Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52


Datasheet Download

Go To PDF Page


Link URL



Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Contact us   |   Privacy Policy   |   Link to Datasheet    |   Link Exchange   |   Manufacturer List
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com