
AN118
Rev 1.1 | Page 2 / 31
Table of Contents
Introduction....................................................................................................................................................................... 1
1. Getting Started............................................................................................................................................................. 4
2. RF Settings................................................................................................................................................................... 6
2.1 Frequency.............................................................................................................................................................6
2.2 Demodulation........................................................................................................................................................6
2.3 Symbol Rate..........................................................................................................................................................6
2.4 Xtal Tolerance.......................................................................................................................................................6
2.5 Xtal Stabilizing Time..............................................................................................................................................7
3. Operation Settings ...................................................................................................................................................... 8
3.1 Duty-Cycle Mode...................................................................................................................................................8
3.1.1 Always Receive Mode................................................................................................................................9
3.1.2 Duty-Cycle Receive Mode .........................................................................................................................9
3.2 Sleep Time, Rx Time.............................................................................................................................................9
3.2.1 Easy Configuration...................................................................................................................................10
3.2.2 Precise Configuration...............................................................................................................................10
3.3 Wake-On Radio................................................................................................................................................... 11
3.3.1 Application Example 1: Fixed Duty..........................................................................................................12
3.3.2 Application Example 2: Wake on Preamble.............................................................................................12
3.4 Rx Early Exit........................................................................................................................................................ 14
3.4.1 Application Example 1: Fixed Duty with Rx Early Exit..............................................................................14
3.4.2 Application Example 2: Wake on Preamble with Rx Early Exit ................................................................15
4. OOK Settings............................................................................................................................................................. 16
4.1 Demod Method.................................................................................................................................................... 16
4.1.1 Fixed Threshold Method..........................................................................................................................16
4.1.2 Peak Threshold Method...........................................................................................................................17
4.2 Fixed Demod TH................................................................................................................................................. 17
4.3 Peak Drop Step, Peak Drop Rate....................................................................................................................... 17
5. Decode Settings ........................................................................................................................................................ 19
5.1 Decoder .............................................................................................................................................................. 19
5.1.1 1920 Normal Packet Structure.................................................................................................................20
5.1.2 1920 Study Packet Structure...................................................................................................................21
5.1.3 1920 Bit Format.......................................................................................................................................21
5.1.4 1527 Normal Packet Structure.................................................................................................................22
5.1.5 1527 Study Packet Structure...................................................................................................................23
5.1.6 1527 Bit Format.......................................................................................................................................23
5.1.7 2262 Packet Structure .............................................................................................................................24
5.1.82262 Bit Format.......................................................................................................................................25
5.2 Pulse Mode, Pulse Time..................................................................................................................................... 25
5.3 Bit Format............................................................................................................................................................ 26
5.4 Valid Reception................................................................................................................................................... 26
5.5 Data Pin Reset Code .......................................................................................................................................... 27
6. Study Settings ........................................................................................................................................................... 28
6.1 ID Study.............................................................................................................................................................. 28