Data Sheet

Page 61
nRF51822 Product Specification v3.1
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
Tes t
level
I
TIMER0/1/2
Timer current when running from
HFCLK in 16 MHz mode.
30 µA 1
I
TIMER0/1/2,1M
Timer current when running from
HFCLK in 1 MHz mode.
4 µA 1
t
TIMER,START
Time from START task is given
until timer starts counting.
0.25 µs 1
Symbol Description Min. Typ. Max. Units
Test
level
I
RTC
Timer (LFCLK source).
0.1 µA 1
Symbol Description Min. Typ. Max. Units
Test
level
I
TEMP
Run current for Temperature sensor. 185 µA 1
t
TEMP
Time required for temperature
measurement.
35 µs 1
T
RANGE
Temperature sensor range. -25 75 °C N/A
T
ACC
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 +4 °C N/A
T
RES
Temperature sensor resolution. 0.25 °C 1