MC68HC12 Datasheet, PDF (14/478 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

Table of Contents
Section 22. Appendix: Changes from MC68HC912DG128
22.1 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .441
22.2 Significant changes from the MC68HC912DG128 (non-suffix de-
vice)441
Section 23. Appendix: CGM Practical Aspects
23.1 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .447
23.2 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 447
23.3 Practical Aspects For The PLL Usage . . . . . . . . . . . . . . . . . .447
23.4 Printed Circuit Board Guidelines. . . . . . . . . . . . . . . . . . . . . . .453
Section 24. Appendix: Information on
MC68HC912DT128A Mask Set Changes
24.1 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .457
24.2 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 457
24.3 Oscillator – Major Changes . . . . . . . . . . . . . . . . . . . . . . . . . .457
24.4 Flash Protection Feature . . . . . . . . . . . . . . . . . . . . . . . . . . . . 458
24.5 Clock Circuitry. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .458
24.6 Pseudo Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 458
24.7 Oscillator – Minor Changes . . . . . . . . . . . . . . . . . . . . . . . . . .459
24.8 PLL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 459
Technical Data — Glossary
Technical Data — Revision History
24.9 Changes in Rev. 3.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 473
24.10 Changes from Rev 2.0 to Rev 3.0 . . . . . . . . . . . . . . . . . . . . . 473
24.11 Changes from Rev 1.0 to Rev 2.0 . . . . . . . . . . . . . . . . . . . . . 475
Technical Data
14
Table of Contents
MC68HC912DT128A — Rev 4.0
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