MC912DG128A Motorola, MC912DG128A Datasheet - Page 8
MC912DG128A
Manufacturer Part Number
MC912DG128A
Description
Microcontrollers
Manufacturer
Motorola
Datasheet
1.MC912DG128A.pdf
(404 pages)
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Operating Modes
Resource Mapping
Bus Control and
Input/Output
Flash EEPROM
EEPROM
Table of Contents
MC68HC912DT128A Rev 2.0
8
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63
Operating Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63
Background Debug Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69
Internal Resource Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69
Flash EEPROM mapping through internal Memory Expansion . . . . .72
Miscellaneous System Control Register . . . . . . . . . . . . . . . . . . . . . . .77
Mapping test registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79
Memory Maps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83
Detecting Access Type from External Signals . . . . . . . . . . . . . . . . . .83
Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93
Flash EEPROM Control Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .94
Flash EEPROM Arrays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .94
Flash EEPROM Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .95
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97
Programming the Flash EEPROM . . . . . . . . . . . . . . . . . . . . . . . . . . .97
Erasing the Flash EEPROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98
Stop or Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101
EEPROM Selective Write More Zeros . . . . . . . . . . . . . . . . . . . . . . .102
EEPROM Programmer’s Model . . . . . . . . . . . . . . . . . . . . . . . . . . . .103
EEPROM Control Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .105
Program/Erase Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .111
Shadow Word Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .111
Programming EEDIVH and EEDIVL Registers . . . . . . . . . . . . . . . . .112
Table of Contents
MOTOROLA
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