Datasheet

Signalswing
limitingcircuit
Biasgenerator
andstartup
circuit
XI XO
Signal
shaping
Square/sinewave:
Vpp=VRRTCor
VIO_1P8V
Y
Currentcontrol
circuitandmode
selection
DC
DClevel:
Vpp/2
VBATOK
(1)
Internal
GND
Internal
GND
VBATOK
(1)
037-041
Signalswing
limitingcircuit
Biasgenerator
andstartup
circuit
XI
XO
Signal
shaping
Square/sinewave:
Vpp=VRRTCor
VIO_1P8V
Y
Currentcontrol
circuitandmode
selection
Floating
VBATOK
(1)
Internal
GND
Internal
GND
VBATOK
(1)
037-039
TPS65930/TPS65920
www.ti.com SWCS037G–MAY 2008–REVISED APRIL 2011
used if the oscillator is in bypass mode.
(1) Switches close by default and open only if register access enables very-low-power mode when VBAT < 2.7 V.
Figure 11-7. 32-kHz Oscillator Block Diagram Without Crystal Option 1
(1) Switches close by default and open only if register access enables very-low-power mode when VBAT < 2.7 V.
Figure 11-8. 32-kHz Oscillator Block Diagram Without Crystal Option 2
Copyright © 2008–2011, Texas Instruments Incorporated Clock Specifications 89
Submit Documentation Feedback
focus.ti.com: TPS65930/TPS65920