valid
valid
Lead
Active
Trail
1XTIMCLK
3XTIMCLK
SYSCLKOUT
XTIMCLK
(/1 Mode)
XCLKOUT
(/1 Mode)
XCLKOUT
(/2 Mode)
XWE0, XWE1
XREADY
(synch)
XREADY
(asynch)
XA(19:0)
XZCSx
XD(15:0)
or XD(31:0)
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SPRUI07–March 2020
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External Interface (XINTF)
Figure 14-15. Generic Write Cycle (XTIMCLK = SYSCLKOUT mode)
A XWRACTIVE = 2, XWRACTIVE = 4, XWRTRAIL = 2
B If the lead and active timing parameters are set low enough, it may not be possible to generate a valid XREADY
signal. No hardware is added to detect this.