12.5.1 Control A

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

Bit 76543210 
     SMODE[2:0]SEN 
Access R/WR/WR/WR/W 
Reset 0000 

Bits 3:1 – SMODE[2:0] Sleep Mode

Writing these bits selects the desired sleep mode when the Sleep Enable (SEN) bit is written to ‘1’ and the SLEEP instruction is executed.
ValueNameDescription
0x0 IDLE Idle mode enabled
0x1 STANDBY Standby mode enabled
0x2 PDOWN Power-Down mode enabled
Other - Reserved

Bit 0 – SEN Sleep Enable

This bit must be written to ‘1’ before the SLEEP instruction is executed to make the microcontroller enter the selected sleep mode.