MC68HC12 Datasheet, PDF (7/478 Pages) Motorola, Inc – The MC68HC912DT128A microcontroller unit (MCU) is a 16-bit device composed of standard on-chip peripherals including a 16-bit central processing unit

Technical Data — MC68HC912DT128A
Table of Contents
List of Paragraphs
Table of Contents
List of Figures
List of Tables
Section 1. General Description
1.1 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
1.2 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
1.3 Devices Covered in this Document. . . . . . . . . . . . . . . . . . . . . .26
1.4 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
1.5 MC68HC912DT128A Block Diagram . . . . . . . . . . . . . . . . . . . . 30
1.6 MC68HC912DG128A Block Diagram. . . . . . . . . . . . . . . . . . . . 31
1.7 Ordering Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Section 2. Central Processing Unit
2.1 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
2.2 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
2.3 Programming Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
2.4 Data Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
2.5 Addressing Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
2.6 Indexed Addressing Modes . . . . . . . . . . . . . . . . . . . . . . . . . . .39
MC68HC912DT128A — Rev 4.0
MOTOROLA
Table of Contents
Technical Data
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