Control A

Name:
CTRLA
Offset:
0x00
Reset:
0x00
Access:
-
Bit76543210
SMODE[1:0]SEN
AccessRRRRRR/WR/WR/W
Reset00000000

Bits 2:1 – SMODE[1:0]: Sleep Mode

Sleep Mode

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

Bit 0 – SEN: Sleep Enable

Sleep Enable

This bit must be written to '1' before the SLEEP instruction is executed to make the MCU enter the selected sleep mode.