NRF51822-CDAC-R datasheet(62/130 Pages) NORDIC

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Page 62

nRF51822 Product Specification v3.3

8.13

Timer (TIMER) specifications

Table 52 Timer specifications

8.14

Real Time Counter (RTC)

Table 53 RTC

8.15

Temperature sensor (TEMP)

Note: HFCLK XOSC is required to get the stated accuracy.

Table 54 Temperature sensor

Symbol

Description

Note

Min.

Typ.

Max.

Units

Test

level

ITIMER0/1/2

Timer current when running from

HFCLK in 16 MHz mode.

μA

ITIMER0/1/2,1M

Timer current when running from

HFCLK in 1 MHz mode.

μA

tTIMER,START

Time from START task is given

until timer starts counting.

0.25

μs

Symbol

Description

Min.

Typ.

Max.

Units

Test

level

IRTC

Timer (LFCLK source).

0.1

μA

Symbol

Description

Min.

Typ.

Max.

Units

Test

level

ITEMP

Run current for Temperature sensor.

185

μA

tTEMP

Time required for temperature

measurement.

μs

TRANGE

Temperature sensor range.

-25

°C

N/A

TACC

Temperature sensor accuracy.1

1. Stated temperature accuracy is valid in the range 0 to 60

°C.

Temperature accuracy outside the 0 to 60°C range is ± 8°C.

-4

°C

N/A

TRES

Temperature sensor resolution.

0.25

°C

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