SAM3A4C Atmel Corporation, SAM3A4C Datasheet - Page 610
SAM3A4C
Manufacturer Part Number
SAM3A4C
Description
Manufacturer
Atmel Corporation
- Current page: 610 of 1465
- Download datasheet (26Mb)
30.8.1
610
610
SAM3X/A
SAM3X/A
Write Protection Registers
To prevent any single software error that may corrupt SSC behavior, certain address spaces can
be write-protected by setting the WPEN bit in the
(SSC_WPMR).
If a write access to the protected registers is detected, then the WPVS flag in the SSC Write Pro-
tect Status Register (US_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 SSC Write Protect Mode Register (SSC_WPMR) with the
appropriate access key, WPKEY.
The protected registers are:
•
•
•
•
•
•
•
“SSC Clock Mode Register” on page 613
“SSC Receive Clock Mode Register” on page 614
“SSC Receive Frame Mode Register” on page 616
“SSC Transmit Clock Mode Register” on page 618
“SSC Transmit Frame Mode Register” on page 620
“SSC Receive Compare 0 Register” on page 626
“SSC Receive Compare 1 Register” on page 627
“SSC Write Protect Mode Register”
11057A–ATARM–17-Feb-12
11057A–ATARM–17-Feb-12
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