25.5.1 Control A

Name: CTRLA
Offset: 0x00
Reset: 0x00
Property: Double-Buffered

Bit 76543210 
 RUNSTDBY   PRESC[2:0]ENABLE 
Access R/WR/WR/WR/WR/W 
Reset 00000 

Bit 7 – RUNSTDBY Run Standby

Writing a '1' to this bit will enable the peripheral to run in Standby sleep mode.

Bits 3:1 – PRESC[2:0] Prescaler Select

This bit field selects the clock prescaler.

ValueNameDescription
0x0 DIV1 TCF runs directly on Clock Source
0x1 DIV2 TCF uses Clock Source divided by 2
0x2 DIV4 TCF uses Clock Source divided by 4
0x3 DIV8 TCF uses Clock Source divided by 8
0x4 DIV16 TCF uses Clock Source divided by 16
0x5 DIV32 TCF uses Clock Source divided by 32
0x6 DIV64 TCF uses Clock Source divided by 64
0x7 DIV128 TCF uses Clock Source divided by 128

Bit 0 – ENABLE Enable

Writing this bit to '1' enables the Timer/Counter type F (TCF) peripheral.