Datasheet

36.8.3 Control C
Name: CTRLC
Offset: 0x08
Reset: 0x00000000
Property: PAC Write-Protection, Enable-Protected
Bit 31 30 29 28 27 26 25 24
DATA32B
Access
R/W
Reset 0
Bit 23 22 21 20 19 18 17 16
Access
Reset
Bit 15 14 13 12 11 10 9 8
Access
Reset
Bit 7 6 5 4 3 2 1 0
SDASETUP[3:0]
Access
R/W R/W R/W R/W
Reset 0 0 0 0
Bit 24 – DATA32B Data 32 Bit
This bit enables 32-bit data writes and reads to/from the DATA register.
Value Description
0
Data transaction to/from DATA are 8-bit in size
1
Data 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:

SU:DAT
= CLK_SERCOMx × APBperiod × 6 + 16 × SDASETUP
SAM D5x/E5x Family Data Sheet
SERCOM I2C – Inter-Integrated Circuit
© 2019 Microchip Technology Inc.
Datasheet
DS60001507E-page 1036