MC912DG128ACPV Freescale Semiconductor, MC912DG128ACPV Datasheet - Page 468

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MC912DG128ACPV

Manufacturer Part Number
MC912DG128ACPV
Description
IC MCU 128K FLASH 8MHZ 112-LQFP
Manufacturer
Freescale Semiconductor
Series
HC12r
Datasheet

Specifications of MC912DG128ACPV

Core Processor
CPU12
Core Size
16-Bit
Speed
8MHz
Connectivity
CAN, I²C, SCI, SPI
Peripherals
POR, PWM, WDT
Number Of I /o
69
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 16x8/10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
112-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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Glossary
parity — An error-checking scheme that counts the number of logic 1s in each byte transmitted.
PC — See “program counter (PC).”
peripheral — A circuit not under direct CPU control.
phase-locked loop (PLL) — A clock generator circuit in which a voltage controlled oscillator
PLL — See "phase-locked loop (PLL)."
pointer — Pointer register. An index register is sometimes called a pointer register because its
polarity — The two opposite logic levels, logic 1 and logic 0, which correspond to two different
polling — Periodically reading a status bit to monitor the condition of a peripheral device.
port — A set of wires for communicating with off-chip devices.
prescaler — A circuit that generates an output signal related to the input signal by a fractional
program — A set of computer instructions that cause a computer to perform a desired operation
program counter (PC) — A 16-bit register in the CPU. The PC register holds the address of the
pull — An instruction that copies into the accumulator the contents of a stack RAM location. The
Technical Data
468
In a system that uses odd parity, every byte is expected to have an odd number of logic
1s. In an even parity system, every byte should have an even number of logic 1s. In the
transmitter, a parity generator appends an extra bit to each byte to make the number of
logic 1s odd for odd parity or even for even parity. A parity checker in the receiver counts
the number of logic 1s in each byte. The parity checker generates an error signal if it finds
a byte with an incorrect number of logic 1s.
produces an oscillation which is synchronized to a reference signal.
contents are used in the calculation of the address of an operand, and therefore points to
the operand.
voltage levels, V
scale factor such as 1/2, 1/8, 1/10 etc.
or operations.
next instruction or operand that the CPU will use.
stack RAM address is in the stack pointer.
DD
and V
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Glossary
MC68HC912DT128A — Rev 4.0
MOTOROLA

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