Microchip Technology megaAVR 0 Series Manual page 98

10.5.1 Control A
Name: CTRLA
Offset: 0x00
Reset: 0x00
Property: -
Bit 7
Access R
Reset 0
Bits 2:1 – SMODE[1:0] 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.
Value Name
0x0 IDLE
0x1 STANDBY
0x2 PDOWN
other -
Bit 0 – SEN Sleep Enable
This bit must be written to '1' before the SLEEP instruction is executed to make the MCU enter the
selected sleep mode.
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2018 Microchip Technology Inc.
6 5
R R
0 0
Description
Idle Sleep mode enabled
Standby Sleep mode enabled
Power-Down Sleep mode enabled
Reserved
4 3
R R
0 0
Datasheet Preliminary
®
megaAVR 0-Series
Sleep Controller (SLPCTRL)
2 1
SMODE[1:0]
R/W R/W
0 0
DS40002015A-page 98
0
SEN
R/W
0