Clock System Overview - Texas Instruments CC253x User Manual

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XTAL1
XTAL2
SWRU191F – April 2009 – Revised April 2014
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SLEEPCMD.MODE[1:0]
32-MHz Crystal Oscillator
SLEEPCMD.MODE[1:0]
16-MHz RC Oscillator
SLEEPCMD.MODE[1:0]
32-kHz Crystal Oscillator
SLEEPCMD.MODE[1:0]
32-kHz RC Oscillator
SLEEPCMD.OSC32K_CALDIS
Figure 4-1. Clock System Overview
Copyright © 2009–2014, Texas Instruments Incorporated
Power-Management Registers
CLKCONCMD.OSC
0
1
XOSC_ STB
HFRC_STB
CLKCONCMD.OSC32K
0
32-kHz Clock
1
Power Management and Clocks
System Clock
Sleep Timer
Watchdog Timer
B0303-02
65