ACS_RTC_CFG

Bit Field

Read/Write

Field Name

Description

6:4

RW

RTC_CLOCK_SRC

Select the RTC Clock event source

2:0

RW

CLK_SRC_SEL

Select the RTC, standby, bb timer, and sensor block clock source

Bit Field

Field Name

Value Symbol

Value Description

Hex Value

6:4

RTC_CLOCK_SRC

RTC_CLOCK_62MS

RTC clock on counter bit 10 rising edge (62 ms)

0x0*

RTC_CLOCK_125MS

RTC clock on counter bit 11 rising edge (125 ms)

0x1

RTC_CLOCK_250MS

RTC clock on counter bit 12 rising edge (250 ms)

0x2

RTC_CLOCK_500MS

RTC clock on counter bit 13 rising edge (500 ms)

0x3

RTC_CLOCK_1S

RTC clock on counter bit 14 rising edge (1 s)

0x4

RTC_CLOCK_2S

RTC clock on counter bit 15 rising edge (2 s)

0x5

RTC_CLOCK_4S

RTC clock on counter bit 16 rising edge (4 s)

0x6

RTC_CLOCK_8S

RTC clock on counter bit 17 rising edge (8 s)

0x7

2:0

CLK_SRC_SEL

RTC_CLK_SRC_STANDBY_CLK

Select standby clock that runs at 32kHz as clock source

0x0*

RTC_CLK_SRC_GPIO0

Select GPIO[0] as clock source

0x1

RTC_CLK_SRC_GPIO1

Select GPIO[1] as clock source

0x2

RTC_CLK_SRC_GPIO2

Select GPIO[2] as clock source

0x3

RTC_CLK_SRC_GPIO3

Select GPIO[3] as clock source

0x4

RTC_CLK_SRC_NO_CLOCK

Set RTC clock to constant value 0

0x5