MC68HC708MP16CFU

Manufacturer Part NumberMC68HC708MP16CFU
ManufacturerFreescale Semiconductor, Inc
MC68HC708MP16CFU datasheet
 


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Glossary
modulo counter — A counter that can be programmed to count to any
number from zero to its maximum possible modulus.
monitor ROM — A section of ROM that can execute commands from a
host computer for testing purposes.
MOR — See mask option register (MOR).
most significant bit (MSB) — The leftmost digit of a binary number.
multiplexer — A device that can select one of a number of inputs and
pass the logic level of that input on to the output.
N — The negative bit in the condition code register of the CPU08. The
CPU sets the negative bit when an arithmetic operation, logical
operation, or data manipulation produces a negative result.
nibble — A set of four bits (half of a byte).
object code — The output from an assembler or compiler that is itself
executable machine code, or is suitable for processing to produce
executable machine code.
opcode — A binary code that instructs the CPU to perform an operation.
open-drain — An output that has no pullup transistor. An external pullup
device can be connected to the power supply to provide the logic 1
output voltage.
operand — Data on which an operation is performed. Usually a
statement consists of an operator and an operand. For example, the
operator may be an add instruction, and the operand may be the
quantity to be added.
oscillator — A circuit that produces a constant frequency square wave
that is used by the computer as a timing and sequencing reference.
OTPROM — One-time programmable read-only memory. A non-volatile
type of memory that cannot be reprogrammed.
overflow — A quantity that is too large to be contained in one byte or
one word.
page zero — The first 256 bytes of memory (addresses $0000–$00FF).
Technical Data
390
MC68HC708MP16
Glossary
Rev. 3.1
Freescale Semiconductor