MC68HC16Z1 Datasheet, PDF (339/500 Pages) Freescale Semiconductor, Inc – M68HC16Z Series

Freescale Semiconductor, Inc.
PHI1¹
PHI1/4²
PAEN
EXT PIN (PAI)
A³
B⁴
PACNT
$77
$78
PAIF⁵
NOTES:
1. PHI1 HAS THE SAME FREQUENCY AS THE SYSTEM CLOCK; HOWEVER, IT DOES NOT HAVE THE SAME TIMING.
2. PHI1/4 CLOCKS PACNT WHEN GT-PAIF IS ASSERTED.
3. A = PAI SIGNAL AFTER THE SYNCHRONIZER.
4. B = “A” AFTER THE DIGITAL FILTER.
5. PAIF IS ASSERTED WHEN PAI IS NEGATED.
PULSE ACCUM GATED MODE
Figure A-26 Pulse Accumulator — Gated Mode (Count While Pin High)
M68HC16 Z SERIES
USER’S MANUAL
ELECTRICAL CHARACTERISTICS
For More Information On This Product,
Go to: www.freescale.com
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