NRF52810-QFAA-R datasheet(403/483 Pages) NORDIC

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Peripherals

6.21.2 Electrical specification

6.21.2.1 Temperature Sensor Electrical Specification

Symbol

Description

Min.

Typ.

Max.

Units

tTEMP

Time required for temperature measurement

µs

TTEMP,RANGE

Temperature sensor range

-40

°C

TTEMP,ACC

Temperature sensor accuracy

-5

°C

TTEMP,RES

Temperature sensor resolution

0.25

°C

TTEMP,STB

Sample to sample stability at constant device temperature

+/-0.25

°C

TTEMP,OFFST

Sample offset at 25°C

-2.5

2.5

°C

6.22 TIMER — Timer/counter

The TIMER can operate in two modes: timer and counter.

PCLK1M

Prescaler

TIMER Core

CC[0..n]

fTIMER

Increment

MODE

PRESCALER

Counter

BITMODE

PCLK16M

TIMER

Figure 105: Block schematic for timer/counter

The timer/counter runs on the high-frequency clock source (HFCLK) and includes a four-bit (1/2X)

prescaler that can divide the timer input clock from the HFCLK controller. Clock source selection between

PCLK16M and PCLK1M is automatic according to TIMER base frequency set by the prescaler. The TIMER

base frequency is always given as 16 MHz divided by the prescaler value.

The PPI system allows a TIMER event to trigger a task of any other system peripheral of the device. The PPI

system also enables the TIMER task/event features to generate periodic output and PWM signals to any

GPIO. The number of input/outputs used at the same time is limited by the number of GPIOTE channels.

The TIMER can operate in two modes, Timer mode and Counter mode. In both modes, the TIMER is

started by triggering the START task, and stopped by triggering the STOP task. After the timer is stopped

the timer can resume timing/counting by triggering the START task again. When timing/counting is

resumed, the timer will continue from the value it had prior to being stopped.

4430_161 v1.0

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