XC68HC12A0CPV8 Freescale Semiconductor, XC68HC12A0CPV8 Datasheet - Page 31
XC68HC12A0CPV8
Manufacturer Part Number
XC68HC12A0CPV8
Description
IC, 16BIT MCU, 68HC12, 8MHZ, TQFP-112
Manufacturer
Freescale Semiconductor
Datasheet
1.MC912D60ACFUE8.pdf
(460 pages)
Specifications of XC68HC12A0CPV8
Controller Family/series
68HC12
No. Of I/o's
68
Eeprom Memory Size
1KB
Ram Memory Size
2KB
Cpu Speed
8MHz
No. Of Timers
1
Core Size
16 Bit
Program Memory Size
60KB
Peripherals
ADC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Technical Data — MC68HC912D60A
2.1 Contents
2.2 Introduction
2.3 Programming Model
MC68HC912D60A — Rev. 3.1
Freescale Semiconductor
2.2
2.3
2.4
2.5
2.6
2.7
The CPU12 is a high-speed, 16-bit processing unit. It has full 16-bit data
paths and wider internal registers (up to 20 bits) for high-speed extended
math instructions. The instruction set is a proper superset of the
M68HC11instruction set. The CPU12 allows instructions with odd byte
counts, including many single-byte instructions. This provides efficient
use of ROM space. An instruction queue buffers program information so
the CPU always has immediate access to at least three bytes of machine
code at the start of every instruction. The CPU12 also offers an
extensive set of indexed addressing capabilities.
CPU12 registers are an integral part of the CPU and are not addressed
as if they were memory locations.
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Programming Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Data Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Addressing Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Indexed Addressing Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Opcodes and Operands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Central Processing Unit
Section 2. Central Processing Unit
Technical Data
31
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