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NRF52820-QDAA-R Datasheet(PDF) 238 Page - Nordic Semiconductor

Part # NRF52820-QDAA-R
Description  nRF52820
PDF  437 Pages
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Manufacturer  NORDIC [Nordic Semiconductor]
Direct Link  https://www.nordicsemi.com/
Logo NORDIC - Nordic Semiconductor

NRF52820-QDAA-R Datasheet(HTML) 238 Page - Nordic Semiconductor

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Peripherals
6.14.10 Registers
Base address
Peripheral
Instance
Description
Configuration
0x4000B000
RTC
RTC0
Real-time counter 0
CC[0..2] implemented, CC[3] not
implemented
0x40011000
RTC
RTC1
Real-time counter 1
CC[0..3] implemented
Table 69: Instances
Register
Offset
Description
TASKS_START
0x000
Start RTC COUNTER
TASKS_STOP
0x004
Stop RTC COUNTER
TASKS_CLEAR
0x008
Clear RTC COUNTER
TASKS_TRIGOVRFLW
0x00C
Set COUNTER to 0xFFFFF0
EVENTS_TICK
0x100
Event on COUNTER increment
EVENTS_OVRFLW
0x104
Event on COUNTER overflow
EVENTS_COMPARE[0]
0x140
Compare event on CC[0] match
EVENTS_COMPARE[1]
0x144
Compare event on CC[1] match
EVENTS_COMPARE[2]
0x148
Compare event on CC[2] match
EVENTS_COMPARE[3]
0x14C
Compare event on CC[3] match
INTENSET
0x304
Enable interrupt
INTENCLR
0x308
Disable interrupt
EVTEN
0x340
Enable or disable event routing
EVTENSET
0x344
Enable event routing
EVTENCLR
0x348
Disable event routing
COUNTER
0x504
Current COUNTER value
PRESCALER
0x508
12 bit prescaler for COUNTER frequency (32768/(PRESCALER+1)). Must be written when RTC is
stopped.
CC[0]
0x540
Compare register 0
CC[1]
0x544
Compare register 1
CC[2]
0x548
Compare register 2
CC[3]
0x54C
Compare register 3
Table 70: Register overview
6.14.10.1 TASKS_START
Address offset: 0x000
Start RTC COUNTER
Bit number
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ID
A
Reset 0x00000000
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
ID
Access
Field
Value ID
Value
Description
A
W TASKS_START
Start RTC COUNTER
Trigger
1
Trigger task
6.14.10.2 TASKS_STOP
Address offset: 0x004
Stop RTC COUNTER
4463_156 v1.0
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