C8051F911 View Datasheet(PDF) - Silicon Laboratories
Part Name
Description
Manufacturer
C8051F911 Datasheet PDF : 318 Pages
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C8051F91x-C8051F90x
13.5.3.System Clock ......................................................................................... 138
13.6.Minimizing Flash Read Current ...................................................................... 139
14. Power Management.............................................................................................. 143
14.1.Normal Mode .................................................................................................. 144
14.2.Idle Mode........................................................................................................ 145
14.3.Stop Mode ...................................................................................................... 145
14.4.Suspend Mode ............................................................................................... 146
14.5.Sleep Mode .................................................................................................... 146
14.6.Configuring Wakeup Sources......................................................................... 147
14.7.Determining the Event that Caused the Last Wakeup.................................... 148
14.8.Power Management Specifications ................................................................ 151
15. Cyclic Redundancy Check Unit (CRC0) ............................................................. 152
15.1.CRC Algorithm................................................................................................ 152
15.2.Preparing for a CRC Calculation .................................................................... 154
15.3.Performing a CRC Calculation ....................................................................... 154
15.4.Accessing the CRC0 Result ........................................................................... 154
15.5.CRC0 Bit Reverse Feature............................................................................. 159
16. On-Chip DC-DC Converter (DC0) ........................................................................ 160
16.1.Startup Behavior............................................................................................. 161
16.2.High Power Applications ............................................................................. 162
16.3.Pulse Skipping Mode...................................................................................... 162
16.4.Enabling the DC-DC Converter ...................................................................... 163
16.5.Minimizing Power Supply Noise ..................................................................... 164
16.6.Selecting the Optimum Switch Size................................................................ 164
16.7.DC-DC Converter Clocking Options ............................................................... 164
16.8.DC-DC Converter Behavior in Sleep Mode .................................................... 164
16.9.Bypass Mode (C8051F912/02 only) ............................................................... 165
16.10.Low Power Mode (C8051F912/02 only) ....................................................... 165
16.11.Passive Diode Mode (C8051F912/02 only).................................................. 166
16.12.DC-DC Converter Register Descriptions ...................................................... 167
16.13.DC-DC Converter Specifications .................................................................. 169
17. Voltage Regulator (VREG0) ................................................................................. 170
17.1.Voltage Regulator Electrical Specifications .................................................... 170
18. Reset Sources....................................................................................................... 171
18.1.Power-On (VBAT Supply Monitor) Reset ....................................................... 172
18.2.Power-Fail (VDD/DC+ Supply Monitor) Reset................................................ 173
18.3.External Reset ................................................................................................ 176
18.4.Missing Clock Detector Reset ........................................................................ 176
18.5.Comparator0 Reset ........................................................................................ 176
18.6.PCA Watchdog Timer Reset .......................................................................... 176
18.7.Flash Error Reset ........................................................................................... 177
18.8.SmaRTClock (Real Time Clock) Reset .......................................................... 177
18.9.Software Reset ............................................................................................... 177
19. Clocking Sources ................................................................................................. 179
19.1.Programmable Precision Internal Oscillator ................................................... 180
Rev. 1.0
5
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