MC912DT128ACPV Freescale Semiconductor, MC912DT128ACPV Datasheet - Page 36
MC912DT128ACPV
Manufacturer Part Number
MC912DT128ACPV
Description
IC 8MHZ 16 BIT MICROCONTROLLER
Manufacturer
Freescale Semiconductor
Series
HC12r
Datasheet
1.MC912DG128ACPVER.pdf
(478 pages)
Specifications of MC912DT128ACPV
Core Processor
CPU12
Core Size
16-Bit
Speed
8MHz
Connectivity
CAN, I²C, SCI, SPI
Peripherals
POR, PWM, WDT
Number Of I /o
67
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
Other names
KMC912DT128ACPV
Q1195202
Q1195202
Available stocks
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MC912DT128ACPVE
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Central Processing Unit
2.3 Programming Model
Technical Data
36
CPU12 registers are an integral part of the CPU and are not addressed
as if they were memory locations.
Accumulators A and B are general-purpose 8-bit accumulators used to
hold operands and results of arithmetic calculations or data
manipulations. Some instructions treat the combination of these two 8-
bit accumulators as a 16-bit double accumulator (accumulator D).
Index registers X and Y are used for indexed addressing mode. In the
indexed addressing mode, the contents of a 16-bit index register are
added to 5-bit, 9-bit, or 16-bit constants or the content of an accumulator
to form the effective address of the operand to be used in the instruction.
15
15
15
15
15
7
Freescale Semiconductor, Inc.
For More Information On This Product,
A
Go to: www.freescale.com
Central Processing Unit
Figure 2-1. Programming Model
0
SP
PC
IX
IY
D
7
S X H I
B
N
Z V C
0
0
0
0
0
0
MC68HC912DT128A — Rev 4.0
8-BIT ACCUMULATORS A & B
OR
16-BIT DOUBLE ACCUMULATOR D
INDEX REGISTER X
INDEX REGISTER Y
STACK POINTER
PROGRAM COUNTER
CONDITION CODE REGISTER
MOTOROLA
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