XE1202I027 データシートの表示（PDF） - Unspecified

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XE1202I027

433MHz / 868MHz / 915MHz Low-power, integrated UHF transceiver

Unspecified 

Data Sheet

XE1202

Table of Contents

General Description.................................................................................................................................................. 1

Applications .............................................................................................................................................................. 1

Key product features ................................................................................................................................................ 1

Ordering information................................................................................................................................................. 1

1 Functional Block Diagram .............................................................................................................................. 3

2 Pin description ................................................................................................................................................ 4

3 Electrical Characteristics ............................................................................................................................... 5

3.1 Absolute Maximum Operating Ranges.......................................................................................................... 5

3.2 Specifications................................................................................................................................................. 5

3.2.1 Operating Range .......................................................................................................................................... 5

3.2.2 Electrical Specifications ................................................................................................................................ 5

4 Description....................................................................................................................................................... 7

4.1 Detailed description ....................................................................................................................................... 8

4.1.1 Receiver........................................................................................................................................................ 8

4.1.2 High sensitivity vs. high linearity: A-mode, B-mode...................................................................................... 8

4.1.3 RSSI.............................................................................................................................................................. 8

4.1.4 Frequency Error Indicator - FEI .................................................................................................................... 9

4.1.5 Transmitter.................................................................................................................................................. 11

4.1.6 Pattern recognition...................................................................................................................................... 12

4.1.7 Clock Output for external processor ........................................................................................................... 12

5 Interface definition, Principles of operation ............................................................................................... 13

5.1 Serial Control Interface ................................................................................................................................ 13

5.2 Configuration and Status registers .............................................................................................................. 14

5.2.1 RTParam configuration register.................................................................................................................. 14

5.2.2 FSParam configuration register .................................................................................................................. 15

5.2.3 DataOut register ......................................................................................................................................... 16

5.2.4 ADParam configuration register ................................................................................................................. 17

5.2.5 Pattern register ........................................................................................................................................... 18

5.3 Operating Modes ......................................................................................................................................... 19

5.3.1 Standard power up sequence for the receiver and transmitter .................................................................. 19

5.3.2 Single step sequence for the receiver ........................................................................................................ 21

5.4 Transmitted Data Interface .......................................................................................................................... 21

5.5 Received Data Interface .............................................................................................................................. 21

5.6 Pattern Recognition Interface ...................................................................................................................... 21

5.7 Clock Output Interface ................................................................................................................................. 22

5.8 Default settings at power-up........................................................................................................................ 22

6 Application Information ................................................................................................................................ 23

6.1 Matching network of the receiver................................................................................................................. 23

6.2 Matching network of the transmitter ............................................................................................................ 23

6.3 VCO tank ..................................................................................................................................................... 24

6.4 Loop filter of the frequency synthesizer....................................................................................................... 24

6.5 Reference crystal for the frequency synthesizer ......................................................................................... 25

6.6 Decoupling capacitances............................................................................................................................. 25

7 Packaging information.................................................................................................................................. 26

2

D0211-105

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