C8051F987-GMR Silicon Labs, C8051F987-GMR Datasheet - Page 4

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C8051F987-GMR

Manufacturer Part Number
C8051F987-GMR
Description
8-bit Microcontrollers - MCU 8kB 512B RAM
Manufacturer
Silicon Labs
Datasheet

Specifications of C8051F987-GMR

Rohs
yes
Core
8051
Processor Series
C8051
Data Bus Width
8 bit
C8051F99x-C8051F98x
14. Flash Memory ....................................................................................................... 149
15. Power Management.............................................................................................. 161
16. Cyclic Redundancy Check Unit (CRC0) ............................................................. 170
17. Voltage Regulator (VREG0) ................................................................................. 178
18. Reset Sources....................................................................................................... 179
19. Clocking Sources ................................................................................................. 186
4
13.4.Interrupt Latency............................................................................................. 138
13.5.Interrupt Register Descriptions ....................................................................... 140
13.6.External Interrupts INT0 and INT1.................................................................. 147
14.1.Programming the Flash Memory .................................................................... 149
14.2.Non-volatile Data Storage .............................................................................. 150
14.3.Security Options ............................................................................................. 151
14.4.Determining the Device Part Number at Run Time ........................................ 153
14.5.Flash Write and Erase Guidelines .................................................................. 155
14.6.Minimizing Flash Read Current ...................................................................... 157
15.1.Normal Mode .................................................................................................. 162
15.2.Idle Mode........................................................................................................ 163
15.3.Stop Mode ...................................................................................................... 163
15.4.Suspend Mode ............................................................................................... 164
15.5.Sleep Mode .................................................................................................... 164
15.6.Configuring Wakeup Sources......................................................................... 165
15.7.Determining the Event that Caused the Last Wakeup.................................... 165
15.8.Power Management Specifications ................................................................ 169
16.1.CRC Algorithm................................................................................................ 170
16.2.Preparing for a CRC Calculation .................................................................... 172
16.3.Performing a CRC Calculation ....................................................................... 172
16.4.Accessing the CRC0 Result ........................................................................... 172
16.5.CRC0 Bit Reverse Feature............................................................................. 177
17.1.Voltage Regulator Electrical Specifications .................................................... 178
18.1.Power-On Reset ............................................................................................. 180
18.2.Power-Fail Reset ............................................................................................ 180
18.3.External Reset ................................................................................................ 182
18.4.Missing Clock Detector Reset ........................................................................ 182
18.5.Comparator0 Reset ........................................................................................ 183
18.6.PCA Watchdog Timer Reset .......................................................................... 183
18.7.Flash Error Reset ........................................................................................... 183
18.8.SmaRTClock (Real Time Clock) Reset .......................................................... 183
18.9.Software Reset ............................................................................................... 184
19.1.Programmable Precision Internal Oscillator ................................................... 187
14.1.1.Flash Lock and Key Functions ............................................................... 149
14.1.2.Flash Erase Procedure .......................................................................... 150
14.1.3.Flash Write Procedure ........................................................................... 150
14.5.1.V
14.5.2.PSWE Maintenance ............................................................................... 156
14.5.3.System Clock ......................................................................................... 156
DD
Maintenance and the V
Rev. 1.1
DD
Monitor ................................................. 155

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