ST25R100 datasheet(79/86 Pages) STMICROELECTRONICS

79 / 86 page

Contents

Description .......................................................................3

Functional overview ...............................................................4

2.1

Block diagram ................................................................. 4

2.1.1

Transmitter ............................................................. 5

2.1.2

Receiver ............................................................... 5

2.1.3

Quartz crystal oscillator.................................................... 5

2.1.4

Power supply regulators ................................................... 5

2.1.5

POR and bias ........................................................... 5

2.1.6

RC oscillator and wake-up timer ............................................. 5

2.1.7

Tx coding .............................................................. 5

2.1.8

Rx framing ............................................................. 5

2.1.9

Control logic ............................................................ 5

2.1.10

FIFO .................................................................. 5

2.1.11

SPI ................................................................... 5

Pin and signal description .........................................................6

Device description.................................................................8

4.1

System diagram ............................................................... 8

Application information ...........................................................11

5.1

Operating modes.............................................................. 11

5.2

Power-on sequence ........................................................... 12

5.3

Supply system ................................................................ 13

5.4

Power-down support block...................................................... 14

5.5

Automatic adjust regulator circuit ................................................ 14

5.6

Crystal oscillator .............................................................. 15

5.7

RC oscillator.................................................................. 15

5.8

Communication with an external host............................................. 15

5.8.1

Interrupt interface ....................................................... 15

5.8.2

Serial peripheral interface (SPI) ............................................ 15

5.8.3

FIFO block ............................................................ 19

5.9

Timers....................................................................... 20

5.10

Reader operation.............................................................. 21

5.10.1

ISO14443A/NFC-A short frames ............................................ 22

5.10.2

Bit oriented anti-collision ................................................. 22

5.11

Wake-up mode ............................................................... 23

5.12

Transparent mode ............................................................. 24

ST25R100

Contents

DS14139 - Rev 5

page 79/86

ST25R100 датащи(PDF) 79 Page - STMicroelectronics

ST25R100 датащи(HTML) 79 Page - STMicroelectronics

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 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86

датащи скачать

ссылки URL