MC68HC12 MOTOROLA [Motorola, Inc], MC68HC12 Datasheet - Page 474

• Manufacturer Part Number: MC68HC12
• Description: The MC68HC912DT128A microcontroller unit (MCU) is a 16-bit device composed of standard on-chip peripherals including a 16-bit central processing unit
• Manufacturer: MOTOROLA [Motorola, Inc]

Revision History
Technical Data
474
Development Support
Appendix: Information
MC68HC912DT128A
MC68HC912DG128
Appendix: Changes
Mask Set Changes
EEPROM Memory
MSCAN Controller
Practical Aspects
Analog-to-Digital
Clock Functions
Appendix: CGM
Specifications
Converter
Electrical
Section
from
on
Page (in Rev 3.0)
128,
132
159
159
163
182
339
352
425
427
429
429
440
444
447
455
129
FPOPEN bit added to EEMCR register
Paragraph added to the EEPGM description to clarify block
protection
Note added about consideration of crystal selection due to EMC
emissions
Opening paragraphs of PLL description changed for clarification
In the section on clock loss during normal operation, description of
operation in limp home mode has been expanded for clarification
In
corrected
First two bullets of sleep mode description updated
SLPRQ = 1 description updated
Major rewrite of entire section for clarification
Clock for the BDM has been renamed as BDMCLK, to
differentiaite it from another internal signal, BCLK
Units for I
Reference to supply differential voltage values updated.
V
Analog input differential voltage row added
f
Footnote added restricting external oscillator operating frequency
to 8MHz when using a quartz crystal
Table footnote removed from
Additional paragraphs added describing ATD differences from the
non A suffix device
Section 23.3 A Few Hints For The CGM Crystal Oscillator
Application removed. All points are covered in new
section
Extra bullets added
XTAL
REF
Revision History
Figure
removed
differential voltage row removed
12-6, MSCAN clock source selection via CLKSRC bit
OFF
corrected to nA
New Section
Description of change
Table 21-16
MC68HC912DT128A — Rev 4.0
regarding V
Oscillator
DDPLL
MOTOROLA