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UHF ASK/FSK Receiver User's Guide
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ATA8210
ATA8215
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4
Hardware
4.3
Fractional-N PLL
Introduction
Features
1
Quick References
2
General Product Description
3
System Functional Description
4
Hardware
4.1
Overview
4.2
Crystal Oscillator
4.3
Fractional-N PLL
4.3.1
Overview
4.3.2
PFD/CP and Loop Filter
4.3.3
VCO
4.3.4
RF Divider
4.3.5
Fractional-N Divider and SDM
4.3.6
Fractional-N PLL Register Overview
4.4
Receive Path
4.5
Data and Support FIFOs
4.6
SPDT RF Switch
4.7
RF Front-End Register Description
4.8
Sequencer State Machine
4.9
AVR Controller
4.10
Power Management
5
Application
6
Timing Characteristics
7
Appendix
8
Document Revision History
Microchip Information
4.3 Fractional-N PLL
