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| XA-H4 Datasheet, PDF (39/42 Pages) NXP Semiconductors – Single-chip 16-bit microcontroller | |||
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Philips Semiconductors
Single-chip 16-bit microcontroller
Preliminary specification
XA-H4
XTALIN
VDD â 0.5
0.45 V
0.7 VDD
0.2 VDD â 0.1
tCHCL
tCLCX
tCHCX
tCLCH
tC
Figure 23. External Clock Input Drive
SU01146
ClkOut
tCODH
WARNING: ClkOut is specified into 40 pF max, do not overload.
Figure 24. ClkOut Duty Cycle
SU01147
ClkOut
WAIT
tWS
tWH
tWS â Setup time of WAIT to rising edge of ClkOut.
tWH â Hold time of WAIT after ClkOut High.
Figure 25. External WAIT Pin Timing
SU01148
1999 Sep 24
39
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