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DA16200

Ultra Low Power Wi-Fi SoC

Datasheet

Revision 3.6

04-Jan-2023

CFR0011-120-00

123 of 153

10.6 RTC Register

DA16200 provides RTC functions. Clock source for RTC can be selected with a register between

32 KHz OSC and 32 KHz XTAL. There is a 36-bits free-running counter in the RTC block making it a

reference time. RTC block controls sleep and wake up operation of DA16200. And it also controls

internal power on/off for each HW blocks.

Table 193: RTC Register Overview

Address

Registers

Description

0x50091000

wakeup_counter0

Wakeup counter [31:0]

0x50091004

wakeup_counter1

Wakeup counter [35:32]

0x50091008

gpio_wakeup_config

Wakeup by GPIO config register

0x5009100C

gpio_wakeup_control

Wakeup by GPIO control register

0x50091010

rtc_control

RTC control register

0x50091014

xtal_control

32 kHz XTAL control register

0x50091018

retention_control

Retention memory power control register

0x5009101C

dc_power_control

DCDC control register

0x50091020

ldo_control

Control LDOs

0x50091024

reserved

Reserved

0x50091028

wakeup_source

Wake up source

0x5009102C

reserved

Reserved

0x50091030

AO indicator

Indicate retention memory contents

0x50091034

reserved

Reserved

0x50091038

counter0

Real time counter [31:0]

0x5009103C

counter1

Real time counter [35:32]

0x50091040

ldo_status

LDO status register

0x50091044

ldo_pwr_control

uLDO control register

0x50091048

reserved

Reserved

0x5009104C

bor_circuit

Brown and Black out control register

0x50091050

reserved

Reserved

0x50091054

reserved

Reserved

0x50091058

reserved

Reserved

0x5009105C

watchdog_cnt

RTC watch dog counter

Table 194: wakeup_counter0 (0x50091000)

Bit

Mode

Symbol

Description

Reset

31:0

R/W

Set to RTC timer value which is expected to

wakeup

0x00000000

Table 195: wakeup_counter1 (0x50091004)

Bit

Mode

Symbol

Description

Reset

3:0

R/W

Set to RTC timer value which is expected to

wakeup

0x0

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