Available Resources in Different Power Modes in PSoC 4 and PSoC 6 - KBA229035

Version 2

    Author: LinglingG_46         Version: **

     

    Translation - Japanese: PSoC 4 および PSoC 6の異なる電力モードで利用可能なリソース - KBA229035 - Community Translated (JA)

     

    Question:

    What are the resources available in different power modes in PSoC® 4 and PSoC 6?

    Answer: 
    PSoC 4 Family:

    PSoC 4 features five power modes of operation, which include Active, Sleep, Deep Sleep, Hibernate, and Stop. Table 1 lists the
    PSoC 4 resources and the availability in different power modes.

     

    Table 1. PSoC 4 Power Modes – Resources Availability

    Subsystem

    Active

    Sleep

    Deep Sleep

    Hibernate

    Stop

    CPU

    ON

    Retention

    Retention

    OFF

    OFF

    SRAM

    ON

    ON

    Retention

    Retention

    OFF

    High-speed peripherals (SPI, UART, and so on)

    ON

    ON

    Retention

    OFF

    OFF

    Universal Digital Blocks (UDBs)

    ON

    ON

    Retention

    OFF

    OFF

    VDAC

    ON

    ON

    Retention

    OFF

    OFF

    SPI slave and I2C slave (SCB based)

    ON

    ON

    ON

    OFF

    OFF

    High- speed clock (IMO, ECO, and PLLs)

    ON

    ON

    OFF

    OFF

    OFF

    Low-speed clock (32 kHz) (ILO and WCO)

    ON

    ON

    ON

    OFF

    OFF

    Brown-out detection

    ON

    ON

    ON

    ON

    OFF

    CTBs/CTB ms (opamp and comparators)

    ON

    ON

    ON

    OFF

    OFF

    ADC

    ON

    ON

    OFF

    OFF

    OFF

    Low-power comparators

    ON

    ON

    ON

    ON

    OFF

    GPIO (output state)

    ON

    ON

    ON

    ON

    Frozen


    PSoC 6 Family:

    PSoC6 features seven power modes of operation.  The system powers are Low-Power (LP), Ultra-Low-Power (ULP), Deep Sleep, and Hibernate. The Arm® CPU power modes are Active, Sleep, and Deep Sleep, and are available in the system LP and ULP power modes.

     

    Table 2 lists the PSoC 6 resource availability in different power modes.

     

    Table 2. Resources Available in Different Power Modes

    Component

    System Power Modes

    LP

    ULP

    Deep Sleep

    Hibernate

    XRES

    Power Off with Backup

    CPU active

    CPU Sleep/Deep Sleep

    CPU Active

    CPU Sleep/Deep Sleep

    Core function

     

    CPU

    ON

    Sleep

    ON

    Sleep

    Retention

    OFF

    OFF

    OFF

    SRAM

    ON

    ON

    ON

    ON

    Retention

    OFF

    OFF

    OFF

    Flash

    Read/Write

    Read/Write

    Read only

    Read only

    OFF

    OFF

    OFF

    OFF

    High-Speed Clock (IMO, ECO, PLL, FLL)

    ON

    ON

    ON

    ON

    OFF

    OFF

    OFF

    OFF

    LVD

    ON

    ON

    ON

    ON

    OFF

    OFF

    OFF

    OFF

    ILO

    ON

    ON

    ON

    ON

    ON

    ON

    OFF

    OFF

    Peripherals

     

    SMIF

    ON

    ON

    ON

    ON

    Retention

    OFF

    OFF

    OFF

    UDB

    ON

    ON

    ON

    ON

    OFF

    OFF

    OFF

    OFF

    SAR ADC

    ON

    ON

    ON

    ON

    OFF

    OFF

    OFF

    OFF

    CTBm

    ON

    ON

    ON

    ON

    ON (lower GBW)

    OFF

    OFF

    OFF

    LPCMP

    ON

    ON

    ON

    ON

    ON

    ON

    OFF

    OFF

    TCPWM

    ON

    ON

    ON

    ON

    OFF

    OFF

    OFF

    OFF

    CSD

    ON

    ON

    ON

    ON

    Retention

    OFF

    OFF

    OFF

    BLE

    ON

    ON

    ON

    ON

    Retention

    OFF

    OFF

    OFF

    LCD

    ON

    ON

    ON

    ON

    ON

    OFF

    OFF

    OFF

    SCB

    ON

    ON

    ON

    ON

    Retention (I2C/SPI wakeup available)

    OFF

    OFF

    OFF

    GPIO

    ON

    ON

    ON

    ON

    ON

    Freeze

    OFF

    OFF

    Watchdog timer

    ON

    ON

    ON

    ON

    ON

    ON

    OFF

    OFF

    Multi-Counter WDT

    ON

    ON

    ON

    ON

    ON

    OFF

    OFF

    OFF

    Reset

     

    XRES

    ON

    ON

    ON

    ON

    ON

    ON

    ON

    OFF

    POR

    ON

    ON

    ON

    ON

    ON

    ON

    OFF

    OFF

    BOD

    ON

    ON

    ON

    ON

    ON

    OFF

    OFF

    OFF

    Watchdog reset

    ON

    ON

    ON

    ON

    ON

    ON

    OFF

    OFF

    Backup domain

     

    WCO,RTC,alarms

    ON

    ON

    ON

    ON

    ON

    ON

    ON

    ON

     

    References: