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Table of Contents
1 Pin-out Diagram .................................................................................. 2
1.1 Pin Descriptions...................................................................................................... 3
1.2 Analog and RF Pins ............................................................................................... 4
1.2.1 Supply and Ground Pins................................................................................................ 4
1.2.2 RF Pins.......................................................................................................................... 4
1.2.3 Crystal Oscillator Pins ................................................................................................... 5
1.2.4 Analog Pin Summary ..................................................................................................... 5
1.3 Digital Pins .............................................................................................................. 6
1.3.1 Driver Strength Settings ................................................................................................ 6
1.3.2 Pull-up and Pull-down Configuration ............................................................................. 6
2 Disclaimer ............................................................................................ 7
3 Overview .............................................................................................. 7
4 General Circuit Description................................................................ 8
5 Application Circuits .......................................................................... 10
5.1 Basic Application Schematic ................................................................................ 10
5.2 Extended Feature Set Application Schematic ...................................................... 12
6 Microcontroller Interface .................................................................. 14
6.1 SPI Timing Description ......................................................................................... 15
6.2 SPI Protocol.......................................................................................................... 16
6.2.1 Register Access Mode................................................................................................. 16
6.2.2 Frame Buffer Access Mode ......................................................................................... 17
6.2.3 SRAM Access Mode.................................................................................................... 19
6.3 Radio Transceiver Status information .................................................................. 21
6.3.1 Register Description .................................................................................................... 21
6.4 Radio Transceiver Identification ........................................................................... 22
6.4.1 Register Description .................................................................................................... 22
6.5 Sleep/Wake-up and Transmit Signal (SLP_TR) ................................................... 24
6.6 Interrupt Logic....................................................................................................... 25
6.6.1 Overview ..................................................................................................................... 25
6.6.2 Interrupt Mask Modes and Pin Polarity ........................................................................ 26
6.6.3 Register Description .................................................................................................... 27
7 Operating Modes............................................................................... 30
7.1 Basic Operating Mode .......................................................................................... 30
7.1.1 State Control ............................................................................................................... 30
7.1.2 Basic Operating Mode Description .............................................................................. 31
7.1.3 Interrupt Handling ........................................................................................................ 35
7.1.4 Basic Operating Mode Timing ..................................................................................... 36
7.1.5 Register Description .................................................................................................... 41
7.2 Extended Operating Mode ................................................................................... 43
7.2.1 State Control ............................................................................................................... 45
7.2.2 Configuration ............................................................................................................... 46
7.2.3 RX_AACK_ON – Receive with Automatic ACK ........................................................... 47
170
AT86RF232
8321A – MCU Wireless – 10/11
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