15.6.9 Peripheral Write Protection Status A

Reading the STATUSA register returns the peripheral write protection status of the indicated peripherals:

0 Peripheral is not write protected.

1 Peripheral is write protected.

Table 15-10. Register Bit Attribute Legend
SymbolDescriptionSymbolDescriptionSymbolDescription
RReadable bitHCCleared by Hardware(Grey cell)Unimplemented
WWritable bitHSSet by HardwareXBit is unknown at Reset
KWrite to clearSSoftware settable bit
Name: STATUSA
Offset: 0x34
Reset: 0x00000000
Property: -

Bit 3130292827262524 
 SERCOM8SERCOM7SERCOM6SERCOM5SERCOM4SERCOM3SERCOM2SERCOM1 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset 00000000 
Bit 2322212019181716 
 SERCOM0EVSYSBROMC DMACPORTTRAMMCRAMC-APB 
Access R/WR/WR/WR/WR/WR/WR/W 
Reset 0000000 
Bit 15141312111098 
 DRMTCMPACEICRTCWDTFREQMMCLKGCLK 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset 00000000 
Bit 76543210 
 OSC32KCTRLOSCCTRLRSTCSUPCPMFCR-APBFCWDSU 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset 00000000 

Bits 23, 24, 25, 26, 27, 28, 29, 30, 31 – SERCOMx x=0,1,...8

For SERCOM8 see Note 3.

For SERCOM6 see Note 2.

For SERCOM4 and SERCOM5 see Note 1.

Bit 22 – EVSYS Event System

Bit 21 – BROMC Boot ROM Controller

Bit 19 – DMAC Direct Memory Access Controller

Bit 18 – PORT Peripheral PORT Write Protection Status

Bit 17 – TRAM Trust RAM

Bit 16 – MCRAMC-APB System RAM

Bit 15 – DRMTCM Data Tightly Coupled Memory

Bit 14 – PAC Peripheral PAC Write Protection Status

Bit 13 – EIC Peripheral EIC Write Protection Status

Bit 12 – RTC Peripheral RTC Write Protection Status

Bit 11 – WDT Peripheral WDT Write Protection Status

Bit 10 – FREQM Peripheral FREQM Write Protection Status

Bit 9 – MCLK Peripheral MCLK Write Protection Status

Bit 8 – GCLK Peripheral GCLK Write Protection Status

Bit 7 – OSC32KCTRL Peripheral OSC32KCTRL Write Protection Status

Bit 6 – OSCCTRL Peripheral OSCCTRL Write Protection Status

Bit 5 – RSTC Peripheral RSTC Write Protection Status

Bit 4 – SUPC Peripheral SUPC Write Protection Status

Bit 3 – PM Peripheral PM Write Protection Status

Bit 2 – FCR-APB Peripheral PAC Protection Status for the FCR-APB

Bit 1 – FCW Peripheral PAC Protection Status for the FCW

Bit 0 – DSU Peripheral PAC Protection Status for the DSU