Datasheet

Revision History
Changes from Rev 1.0 to Rev 2.0
MC68HC912DT128A — Rev 4.0 Technical Data
MOTOROLA Revision History 475
24.11 Changes from Rev 1.0 to Rev 2.0
24.12 Changes from first version (internal release, no revision number) to
Rev 1.0
Section Page (in Rev 2.0) Description of change
Pinout and Signal
Descriptions
30, 31 Figures 4 and 5, pin 97 changed to TEST and note added.
33 Note added about connection of power supplies.
35 Note about non-standard oscillator circuit expanded.
35 Additional paragraphs added covering DC bias.
Registers 55 CD bit name corrected in ATD0CTL5.
EEPROM 104 New section added ‘EEPROM Selective Write More Zeros’
Clock Functions
143 to 153 Major rewrite of Limp Home and Fast STOP Recovery section.
160 System Clock Frequency Formulae updated for clarification.
161 Figure 18 modified for clarification.
164 Figure 21 modified for clarification.
ECT 194 Figure 28 modified for clarification.
ATD 321 Shading removed from CC bit in table 52. CD bit name corrected.
Electrical
Characteristics
353, 354 Preliminary notes removed.
361
EEPROM Programming Maximum Time to ‘AUTO’ Bit Set and
EEPROM Erasing Maximum Time to ‘AUTO’ Bit Set added to
table 71.
369 Several values in table 76 updated.
Appendix A 377
New section added ‘2d. EEPROM Selective Write More Zeros’.
New section added ‘6. Port ADx’.
New section added ‘7. ATD’.
Appendix B 380 New section added ‘DC Bias’.
Section Page (in Rev 1.0) Description of change
General Description 21 Ordering Information updated.
EEPROM 109
Addition of Caution regarding attempts to erase or program
protected locations.
Frees
cale Semiconductor,
I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
nc...