RXC101 Datasheet, PDF (2/33 Pages) RF Monolithics, Inc – Multi-channel High data rate Programmable

Table of Contents
Table of Contents .......................................................................................................... 2
1. RXC101 Pin Description ........................................................................................... 3
1.1 Processor Mode Pin Configuration ...................................................................... 3
1.2 Simple Mode Pin Configuration............................................................................ 4
2. RXC101 Functional Description ............................................................................... 5
2.1 RXC101 Typical Application Circuit ..................................................................... 5
Processor Mode .................................................................................................. 5
Antenna Design Considerations........................................................................... 6
PCB Layout Considerations ................................................................................. 6
2.2 Simple Mode ........................................................................................................ 9
Simple Mode Functional Block Diagram .............................................................. 9
Duty Cycle Mode ............................................................................................... 11
3. RXC101 Functional Characteristics....................................................................... 12
Input Amplifier .......................................................................................................... 12
Baseband Data and Filtering ................................................................................... 12
Data Quality Detector (DQD) ................................................................................... 13
Valid Data Detector (DDET)..................................................................................... 13
Receiver FIFO.......................................................................................................... 13
Receive Signal Strength Indicator (RSSI) ................................................................ 13
Automatic Frequency Adjustment (AFA).................................................................. 14
Crystal Oscillator...................................................................................................... 14
Frequency Control (PLL) and Frequency Synthesizer ............................................. 14
Wake-Up Mode ........................................................................................................ 15
Low Battery Detector ............................................................................................... 15
SPI Interface ............................................................................................................ 15
SPI Interface Timing.......................................................................................... 15
4. Control and Configuration Registers .................................................................... 16
Status Register ....................................................................................................... 16
Configuration Register [POR=893Ah] ...................................................................... 17
Receiver Control Register [POR=C0C1h] ................................................................ 19
FIFO Configuration Register [POR=CE89h] ............................................................ 21
Automatic Frequency Adjust Register [POR=C6F7h] .............................................. 22
Baseband Filter Register [POR=C42Ch].................................................................. 24
Frequency Setting Register [POR=A680h] .............................................................. 25
Data Rate Setup Register [POR=C823h]................................................................. 26
Wake-up Timer Period Register [POR=E196h]........................................................ 27
Duty Cycle Set Register [POR=CC0Eh] .................................................................. 28
Battery Detect Threshold and Clock Output Register [POR=C200h] ....................... 29
5. Maximum Ratings.................................................................................................... 30
Recommended Operating Ratings........................................................................... 30
6. DC Electrical Characteristics ................................................................................ 30
7. AC Electrical Characteristics ................................................................................ 31
8. Package Information .............................................................................................. 33
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