MC912DG128AMPVE Freescale Semiconductor, MC912DG128AMPVE Datasheet - Page 464

IC MCU 128K FLASH 8MHZ 112-LQFP

MC912DG128AMPVE

Manufacturer Part Number
MC912DG128AMPVE
Description
IC MCU 128K FLASH 8MHZ 112-LQFP
Manufacturer
Freescale Semiconductor
Series
HC12r
Datasheet

Specifications of MC912DG128AMPVE

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 ~ 125°C
Package / Case
112-LQFP
Processor Series
HC912D
Core
HC12
Data Bus Width
16 bit
Data Ram Size
8 KB
Interface Type
CAN/I2C/SCI/SPI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
69
Number Of Timers
8
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWHCS12
Minimum Operating Temperature
- 40 C
On-chip Adc
2 (8-ch x 10-bit)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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Glossary
CPU cycles — A CPU cycle is one period of the internal bus clock, normally derived by dividing
CPU registers — Memory locations that are wired directly into the CPU logic instead of being
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
Technical Data
464
a crystal oscillator source by two or more so the high and low times will be equal. The
length of time required to execute an instruction is measured in CPU clock cycles.
part of the addressable memory map. The CPU always has direct access to the
information in these registers. The CPU registers in an M68HC12 are:
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.
A (8-bit accumulator)
B (8-bit accumulator)
IX (16-bit index register)
IY (16-bit index register)
SP (16-bit stack pointer)
PC (16-bit program counter)
CCR (8-bit condition code register)
D (16-bit accumulator formed by concatenation of accumulators A and B)
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
Glossary
CYC
= 1/f
OP
.
MC68HC912DT128A — Rev 4.0
MOTOROLA

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