ST40RA datasheet(40/94 Pages) STMICROELECTRONICS

40 / 94 page

ADCS 7260755H

STMicroelectronics

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ST40RA

6 Clock generation

6.6.2

CPG.STBCR register

CPG.STBCR

Sleep or standby mode

0x0004

Select between sleep and standby modes when a sleep instruction is issued.

MSTP0

SCIF1 standby

0: SCIF1 operates

1: SCIF1 clock stopped

Reset state: 0

MSTP1

RTC standby

0: RTC operates

1: RTC clock stopped

Reset state: 0

MSTP2

TMU standby

0: TMU operates

1: TMU clock stopped

Reset state: 0

MSTP3

SCIF2 standby

0: SCIF2 operates

1: SCIF2 clock stopped

Reset state: 0

MSTP4

Not used

Reset state: 0

PPU

Peripheral module pull-up pin control

Controls the state of peripheral module related pins

in the high impedance state

0: Peripheral module related pin pull-up resistors

are on

1: Peripheral module related pin pull-up resistors

are off

Reset state: 0

6PHZ

Peripheral module pin high impedance control

Controls the state of peripheral module related pins

in standby mode

0: Peripheral module related pins are in normal

state

1: Peripheral module related pins go to high

impedance state

Reset state: 0

7STBY

Standby

0: Transition to sleep mode on sleep instruction

1: Transition to standby mode on sleep instruction

Reset state: 0

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