MC68HC912BD32CFU10 FREESCALE [Freescale Semiconductor, Inc], MC68HC912BD32CFU10 Datasheet - Page 284

• Manufacturer Part Number: MC68HC912BD32CFU10
• Description: Advance Information
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

cycle time — The period of the operating frequency: t
D — See “accumulators (A and B or D).”
decimal number system — Base 10 numbering system that uses the digits zero through nine.
duty cycle — A ratio of the amount of time the signal is on versus the time it is off. Duty cycle is
ECT — See “enhanced capture timer.”
EEPROM — Electrically erasable, programmable, read-only memory. A nonvolatile type of
EPROM — Erasable, programmable, read-only memory. A nonvolatile type of memory that can
enhanced capture timer (ECT) — The HC12 Enhanced Capture Timer module has the features
exception — An event such as an interrupt or a reset that stops the sequential execution of the
fetch — To copy data from a memory location into the accumulator.
firmware — Instructions and data programmed into nonvolatile memory.
flash EEPROM — Electrically erasable, programmable, read-only memory. A nonvolatile type
free-running counter — A device that counts from zero to a predetermined number, then rolls
full-duplex transmission — Communication on a channel in which data can be sent and
hexadecimal — Base 16 numbering system that uses the digits 0 through 9 and the letters A
high byte — The most significant eight bits of a word.
illegal address — An address not within the memory map
illegal opcode — A nonexistent opcode.
Glossary
MC68HC912BD32 Rev 1.0
usually represented by a percentage.
memory that can be electrically erased and reprogrammed.
be erased by exposure to an ultraviolet light source and then reprogrammed.
of the HC12 Standard Timer module enhanced by additional features in order to enlarge
the field of applications.
instructions in the main program.
of memory that can be electrically erased and reprogrammed. Does not support byte or
word erase.
over to zero and begins counting again.
received simultaneously.
through F.
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Glossary
CYC
= 1/f
OP
.