34.8.3 Control C

Name: CTRLC
Offset: 0x08
Reset: 0x00000000
Property: PAC Write-Protection, Enable-Protected

Bit 3130292827262524 
        DATA32B 
Access R/W 
Reset 0 
Bit 2322212019181716 
          
Access  
Reset  
Bit 15141312111098 
          
Access  
Reset  
Bit 76543210 
     SDASETUP[3:0] 
Access R/WR/WR/WR/W 
Reset 0000 

Bit 24 – DATA32B Data 32 Bit

This bit enables 32-bit data writes and reads to/from the DATA register.

ValueDescription
0Data transaction to/from DATA are 8-bit in size
1Data transaction to/from DATA are 32-bit in size

Bits 3:0 – SDASETUP[3:0] SDA Setup Time

These bits select the minimum SDA-to-SCL setup time, measured from the release of SDA to the release of SCL:
tSU:DAT=(GCLK_SERCOMx×APB period(PBx_CLK))×(6+16×SDASETUP)