CC1110-RTY1 datasheet(28/203 Pages) TI

28 / 203 page

CC1110

CC1110 PRELIMINARY Datasheet (Rev. 1.01) SWRS033A

Page 28 of 202

10 Power Control

The

CC1110 has four power modes, called PM0,

PM1, PM2 and PM3. PM0 is the active mode

while PM1 to PM3 are low-power modes,

where

PM3

has

the

lowest

power

consumption. The power modes are shown in

Table 22 together with voltage regulator and

oscillator options.

Power

Mode

High speed

oscillator

Low-speed

oscillator

Voltage

regulator

(digital)

None

26 MHz

XOSC

RCOSC

Both

None

Low

power

RCOSC

32.768

kHz

XOSC

Off

PM0

B, C, D

B, C

PM1

B, C

PM2

B, C

PM3

Table 22: Power modes

PM0: The active mode. The voltage regulator

to the digital core is on and either the high

speed RC oscillator or the 26 MHz crystal

oscillator or both are running. Either the low

power RC oscillator or the 32.768 kHz crystal

oscillator is running.

PM1: The voltage regulator to the digital part is

on. Neither the 26 MHz crystal oscillator nor

the high speed RC oscillator is running. Either

the low power RC oscillator or the 32.768 kHz

crystal oscillator is running. The system will go

to PM0 on reset or an external interrupt or

when the sleep timer expires.

PM2: The voltage regulator to the digital core

is turned off. Neither the 26 MHz crystal

oscillator nor the high speed RC oscillator is

running. Either the low power RC oscillator or

the 32.768 kHz crystal oscillator is running.

The system will go to PM0 on reset or an

external interrupt or when the sleep timer

expires.

PM3: The voltage regulator to the digital core

is turned off. None of the oscillators are

running. The system will go to PM0 on reset or

an external interrupt.

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