Control A
Name:
CTRLA
Offset:
0x00
Reset:
0x00
Access:
PAC Write-Protection
Bit76543210
SEREN1 SEREN0 CKEN1 CKEN0 ENABLESWRST
AccessR/WR/WR/WR/WR/WR/W
Reset000000

Bit 1 – ENABLE: Enable

Enable

Writing a '0' to this bit will disable the module.

Writing a '1' to this bit will enable the module.

ValueDescription
0 The peripheral is disabled.
1 The peripheral is enabled.

Bit 0 – SWRST: Software Reset

Software Reset

Writing a '0' to this bit has no effect.

Writing a '1' to this bit resets all registers to their initial state, and the peripheral will be disabled.

Writing a '1' to CTRL.SWRST will always take precedence, meaning that all other writes in the same write-operation will be discarded.

ValueDescription
0 There is no reset operation ongoing.
1 The reset operation is ongoing.

Bits 5,4 – SERENx : Serializer x Enable [x=1..0]

Serializer x Enable [x=1..0]

Writing a '0' to this bit will disable the Serializer x.

Writing a '1' to this bit will enable the Serializer x.

ValueDescription
0 The Serializer x is disabled.
1 The Serializer x is enabled.

Bits 3,2 – CKENx : Clock Unit x Enable [x=1..0]

Clock Unit x Enable [x=1..0]

Writing a '0' to this bit will disable the Clock Unit x.

Writing a '1' to this bit will enable the Clock Unit x.

ValueDescription
0 The Clock Unit x is disabled.
1 The Clock Unit x is enabled.