46.7.11 Prescaler Value

Note: This register is write-synchronized: SYNCBUSY.PRESC must be checked to ensure the PRESC register synchronization is complete.
Table 46-12. 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: PRESC
Offset: 0x14
Reset: 0x00
Property: Write-Synchronized

Bit 76543210 
     PRESC[3:0] 
Access RWRWRWRW 
Reset 0000 

Bits 3:0 – PRESC[3:0] Prescaler Value

These bits select the GCLK prescaler factor.

ValueNameDescription
0DIV1No division
1DIV2Divide by 2
2DIV4Divide by 4
3DIV8Divide by 8
4DIV16Divide by 16
5DIV32Divide by 32
6DIV64Divide by 64
7DIV128Divide by 128
8DIV256Divide by 256
9DIV512Divide by 512
10DIV1024Divide by 1024