SAM3SD8C Atmel Corporation, SAM3SD8C Datasheet - Page 460
SAM3SD8C
Manufacturer Part Number
SAM3SD8C
Description
Manufacturer
Atmel Corporation
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SAM3S8/SD8
SAM3S8/SD8
If a write access to the protected registers is detected, then the WPVS flag in the PMC Write
Protect Status Register (PMC_WPSR) is set and the field WPVSRC indicates in which register
the write access has been attempted.
The WPVS flag is reset by writing the PMC Write Protect Mode Register (PMC_WPMR) with the
appropriate access key, WPKEY.
The protected registers are:
“PMC System Clock Enable Register”
“PMC System Clock Disable Register”
“PMC Peripheral Clock Enable Register 0”
“PMC Peripheral Clock Disable Register 0”
“PMC Clock Generator Main Oscillator Register”
“PMC Clock Generator PLLA Register”
“PMC Clock Generator PLLB Register”
“PMC Master Clock Register”
“PMC USB Clock Register”
“PMC Programmable Clock Register”
“PMC Fast Startup Mode Register”
“PMC Fast Startup Polarity Register”
“PMC Peripheral Clock Enable Register 1”
“PMC Peripheral Clock Disable Register 1”
“PMC Oscillator Calibration Register”
11090A–ATARM–10-Feb-12
11090A–ATARM–10-Feb-12
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