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UHF ASK/FSK Receiver User's Guide
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ATA8210
ATA8215
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4
Hardware
4.9
AVR Controller
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
4.4
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
4.9.1
AVR Controller Sub-System Overview
4.9.2
CPU Core
4.9.3
Memories
4.9.4
System Clock and Clock Options
4.9.5
Sleep Modes and Active Power Reduction
4.9.6
I/O Ports
4.9.7
Timer Module
4.9.8
SPI – Serial Peripheral Interface
4.9.9
CRC
4.9.10
debugWIRE – On-Chip Debug System
4.9.11
Memory Access via SPM/LPM
4.9.12
Memory Programming
4.9.13
Specific Interrupts Handling
4.9.14
External Interrupts
4.10
Power Management
5
Application
6
Timing Characteristics
7
Appendix
8
Document Revision History
Microchip Information
4.9 AVR Controller
