XR68C681CP View Datasheet(PDF) - Exar Corporation
Part Name
Description
MFG CO.
'XR68C681CP' PDF : 75 Pages View PDF
XR68C681
4 ? & O 6
4 ? & O 6
4 •
4 •
5
XR68C681
5
1/</=9G
, % &%
Figure 6. A Recommended Schematic for the XTAL Oscillator Circuitry
Note:
The user also has an option to drive the oscillator circuit with a TTL input signal, in lieu of using a crystal oscillator. If this approach is
used, the TTL must be driven into the X1/CLK pin, and the X2 pin must be left floating.
#+ % $ %( % % % + %(- ' &% %'( " Figure 7 % % ' $
' %% & '( '( & '' (% (% L '(
XR68C681
5
5
1/<=9G
E
@=9=
5 (% +
%
Figure 7. A Recommended Schematic to Drive Multiple DUARTs From the Same Crystal Oscillator
6
Share Link: 
