Datasheet

X1 X2
C1 C2
Crystal
V
SSK
V
DD18
1.8V
XCLKIN
External Clock Signal
(Toggling 0-V )
DD
XCLKIN
X2
NC
X1
ExternalClockSignal
(Toggling0-V
DDIO
)
XCLKIN
X2
NC
X1
V
SSK
TMS320C28346, TMS320C28345, TMS320C28344
TMS320C28343, TMS320C28342, TMS320C28341
www.ti.com SPRS516D –MARCH 2009–REVISED AUGUST 2012
The three possible input-clock configurations are shown in Figure 3-10 through Figure 3-12.
Figure 3-10. Using a 3.3-V External Oscillator
Figure 3-11. Using a 1.8-V External Oscillator
Figure 3-12. Using the Internal Oscillator
Copyright © 2009–2012, Texas Instruments Incorporated Functional Overview 55
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