Rainbow-electronics ATmega128RFA1 Instrukcja Użytkownika Pobierz pdf (Strona 518)

518

8266A-MCU Wireless-12/09

ATmega128RFA1

9.9 Continuous Transmission Test Mode................................................................... 96

9.10 Abbreviations...................................................................................................... 98

9.11 Reference Documents...................................................................................... 100

9.12 Register Description ......................................................................................... 100

10 MAC Symbol Counter ...................................................................133

10.1 Main Features................................................................................................... 133

10.2 Clock source selection and Sleep/Active mode operation ............................... 133

10.3 32 bit Register Access (Atomic Read/Write) .................................................... 133

10.4 Symbol Counter (32 bit, SCCNT)..................................................................... 134

10.5 Symbol Counter SFD Timestamp Register (32 bit, SCTSR, Read Only) ........ 134

10.6 Symbol Counter Beacon Timestamp Register (32 bit, SCBTSR) .................... 134

10.7 Compare Unit (3x 32 bit, SCOCR1, SCOCR2, SCOCR3) ............................... 135

10.8 Interrupt Control Registers ............................................................................... 135

10.9 Backoff Slot Counter ........................................................................................ 135

10.10 Symbol Counter Usage .................................................................................. 135

10.11 Register Description ....................................................................................... 137

11 System Clock and Clock Options................................................147

11.1 Overview........................................................................................................... 147

11.2 Clock Systems and their Distribution ............................................................... 147

11.3 Clock Sources .................................................................................................. 148

11.4 Calibrated Internal RC Oscillator...................................................................... 149

11.5 128 kHz Internal Oscillator ............................................................................... 150

11.6 External Clock .................................................................................................. 150

11.7 Transceiver Crystal Oscillator .......................................................................... 151

11.8 Clock Output Buffer .......................................................................................... 152

11.9 Timer/Counter Oscillator .................................................................................. 152

11.10 System Clock Prescaler ................................................................................. 152

11.11 Register Description ....................................................................................... 153

12 Power Management and Sleep Modes ........................................156

12.1 Deep-Sleep Mode ............................................................................................ 156

12.2 AVR Microcontroller Sleep Modes ................................................................... 156

12.3 Power Reduction Register................................................................................ 159

12.4 Minimizing Power Consumption ....................................................................... 159

12.5 Supply Voltage and Leakage Control............................................................... 161

12.6 Register Description ......................................................................................... 166

13 System Control and Reset ...........................................................176

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Rainbow-electronics ATmega128RFA1 Instrukcja Użytkownika Strona 518