mc68hc908mr24 Freescale Semiconductor, Inc, mc68hc908mr24 Datasheet - Page 398

• Manufacturer Part Number: mc68hc908mr24
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Glossary
Advance Information
398
modulo counter — A counter that can be programmed to count to any
monitor ROM — A section of ROM that can execute commands from a
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
N — The negative bit in the condition code register of the CPU08. The
nibble — A set of four bits (half of a byte).
object code — The output from an assembler or compiler that is itself
opcode — A binary code that instructs the CPU to perform an operation.
open-drain — An output that has no pullup transistor. An external pullup
operand — Data on which an operation is performed. Usually, a
oscillator — A circuit that produces a constant frequency square wave
OTPROM — One-time programmable read-only memory. A non-volatile
overflow — A quantity that is too large to be contained in one byte or
page zero — The first 256 bytes of memory (addresses $0000–$00FF).
number from zero to its maximum possible modulus.
host computer for testing purposes.
pass the logic level of that input on to the output.
CPU sets the negative bit when an arithmetic operation, logical
operation, or data manipulation produces a negative result.
executable machine code or is suitable for processing to produce
executable machine code.
device can be connected to the power supply to provide the logic 1
output voltage.
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.
that is used by the computer as a timing and sequencing reference.
type of memory that cannot be reprogrammed.
one word.
Glossary
MC68HC908MR24
MOTOROLA
—
Rev. 4.0