Rainbow Electronics ATmega128RFA1 - Manual (Page 517)

517
8266A-MCU Wireless-12/09
ATmega128RFA1
Table of Contents
1 Pin Configurations.............................................................................. 2
2 Disclaimer............................................................................................ 2
3 Overview .............................................................................................. 3
3.1 Block Diagram ........................................................................................................ 3
3.2 Pin Descriptions...................................................................................................... 5
3.3 Compatibility to ATmega1281/2561 ....................................................................... 6
4 Resources............................................................................................ 7
5 About Code Examples........................................................................ 7
6 Data Retention..................................................................................... 7
7 AVR CPU Core..................................................................................... 9
7.1 Introduction............................................................................................................. 9
7.2 Architectural Overview ........................................................................................... 9
7.3 ALU – Arithmetic Logic Unit ................................................................................. 10
7.4 Status Register ..................................................................................................... 11
7.5 General Purpose Register File ............................................................................. 12
7.6 Stack Pointer ........................................................................................................ 13
7.7 Instruction Execution Timing ................................................................................ 15
7.8 Reset and Interrupt Handling ............................................................................... 15
8 AVR Memories................................................................................... 18
8.1 In-System Reprogrammable Flash Program Memory.......................................... 18
8.2 SRAM Data Memory ............................................................................................ 18
8.3 EEPROM Data Memory ....................................................................................... 20
8.4 EEPROM Register Description ............................................................................ 23
8.5 I/O Memory........................................................................................................... 25
8.6 General Purpose I/O Registers ............................................................................ 26
8.7 Other Port Registers............................................................................................. 26
9 Low-Power 2.4 GHz Transceiver...................................................... 29
9.1 Features ............................................................................................................... 29
9.2 General Circuit Description .................................................................................. 30
9.3 Transceiver to Microcontroller Interface............................................................... 31
9.4 Operating Modes .................................................................................................. 35
9.5 Functional Description.......................................................................................... 61
9.6 Module Description............................................................................................... 74
9.7 Radio Transceiver Usage..................................................................................... 83
9.8 Radio Transceiver Extended Feature Set ............................................................ 85