Register Lock Key address
| REGWRPROT | Register Write-Protected Code (Write Only) Some write-protected registers have to be disabled the protected function by writing the sequence value “59h”, “16h”, “88h” to this field. After this sequence is completed, the REGPROTDIS bit will be set to 1 and write-protected registers can be normal write. |
| REGPROTDIS | Register Write-Protected Disable index (Read only) 1 = Protection is disabled for writing protected registers 0 = Protection is enabled for writing protected registers. Any write to the protected register is ignored. The Write-Protected registers list are below table: Registers Address Note IPRSTC1 0x5000_0008 None BODCR 0x5000_0018 None PORCR 0x5000_001C None PWRCON 0x5000_0200 bit[6] is not protected for power wake-up interrupt clear APBCLK bit[0] 0x5000_0208 bit[0] is watch dog clock enable CLKSEL0 0x5000_0210 HCLK and CPU STCLK clock source select CLK_SEL1 bit[1:0] 0x5000_0214 Watch dog clock source select ISPCON 0x5000_C000 Flash ISP Control register WTCR 0x4000_4000 None FATCON 0x5000_C018 None |