SI1062-A-GM Datasheet, PDF (4/358 Pages) Silicon Laboratories – MCU with Integrated 240–960 MHz EZRadioPRO® Transceiver

Si106x/108x
8.2. Data Memory ................................................................................................... 125
9. On-Chip XRAM ....................................................................................................... 127
9.1. Accessing XRAM............................................................................................. 127
9.2. Special Function Registers.............................................................................. 128
10. Special Function Registers................................................................................. 129
10.1. SFR Paging ................................................................................................... 130
11. Interrupt Handler.................................................................................................. 137
11.1. Enabling Interrupt Sources ............................................................................ 137
11.2. MCU Interrupt Sources and Vectors.............................................................. 137
11.3. Interrupt Priorities .......................................................................................... 138
11.4. Interrupt Latency............................................................................................ 138
11.5. Interrupt Register Descriptions ...................................................................... 140
11.6. External Interrupts INT0 and INT1................................................................. 147
12. Flash Memory....................................................................................................... 149
12.1. Programming the Flash Memory ................................................................... 149
12.2. Non-Volatile Data Storage............................................................................. 151
12.3. Security Options ............................................................................................ 151
12.4. Determining the Device Part Number at Run Time ....................................... 154
12.5. Flash Write and Erase Guidelines ................................................................. 154
12.6. Minimizing Flash Read Current ..................................................................... 156
13. Power Management ............................................................................................. 160
13.1. Normal Mode ................................................................................................. 161
13.2. Idle Mode....................................................................................................... 162
13.3. Stop Mode ..................................................................................................... 162
13.4. Suspend Mode .............................................................................................. 163
13.5. Sleep Mode ................................................................................................... 163
13.6. Configuring Wakeup Sources........................................................................ 164
13.7. Determining the Event that Caused the Last Wakeup................................... 164
13.8. Power Management Specifications ............................................................... 166
14. Cyclic Redundancy Check Unit (CRC0)............................................................. 167
14.1. 16-bit CRC Algorithm..................................................................................... 167
14.2. 32-bit CRC Algorithm..................................................................................... 169
14.3. Preparing for a CRC Calculation ................................................................... 170
14.4. Performing a CRC Calculation ...................................................................... 170
14.5. Accessing the CRC0 Result .......................................................................... 170
14.6. CRC0 Bit Reverse Feature............................................................................ 174
15. On-Chip DC-DC Converter (DC0)........................................................................ 175
15.1. Startup Behavior............................................................................................ 176
15.2. High Power Applications................................................................................ 177
15.3. Pulse Skipping Mode..................................................................................... 177
15.4. Enabling the DC-DC Converter ..................................................................... 177
15.5. Minimizing Power Supply Noise .................................................................... 179
15.6. Selecting the Optimum Switch Size............................................................... 179
15.7. DC-DC Converter Clocking Options .............................................................. 179
15.8. DC-DC Converter Behavior in Sleep Mode ................................................... 180
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Rev. 1.0