nRF24LE1 Nordic VLSI, nRF24LE1 Datasheet - Page 85

• Manufacturer Part Number: nRF24LE1
• Manufacturer: Nordic VLSI

nRF24LE1 Preliminary Product Specification
The nRF24LE1 contains a set of counters used for timing up important system events. One of the timers
(RTC2) is also available in power down mode where it can be used as a wakeup source.
8.1
nRF24LE1 includes the following set of timers/counters:
8.2
Revision 1.1
8
•
•
Three 16-bit timers/counters (Timer 0, Timer 1 and Timer 2) which can operate as either a timer with
RTC2 is a configurable, linear, 16-bit real time clock with capture and compare capabilities. Input
clock frequency is 32 KHz.
a clock rate based on the MCU clock, or as an event counter clocked by signals from the program-
mable digital I/O.
Timers/counters
Features
Block diagram
TIMER1
(from pin)
TIMER0
(from pin)
TIMER2
(from pin)
Figure 38. Block diagram of timers/counters
ckCpu
CKLF
t2ex
/2
Timer 1/Timer 0
Timer 2
RTC2
TH1
TH0
TCON
TMOD
TH2
T2CON
CRCH
CCH3
CCH2
CCH1
CCEN
RTC2CMP1
RTC2CPT01
RTC2CPT10
RTC2CON
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TL1
TL0
TL2
CRCL
CCL3
CCL2
CCL1
RTC2CMP0
RTC2CPT00
tf0 (irq)
tf2 (irq)
exf2 (irq)
TICK
(irq)
tf1 (irq)