MC68HC912BD32CFU10 FREESCALE [Freescale Semiconductor, Inc], MC68HC912BD32CFU10 Datasheet - Page 6
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MC68HC912BD32CFU10
Manufacturer Part Number
MC68HC912BD32CFU10
Description
Advance Information
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.MC68HC912BD32CFU10.pdf
(292 pages)
- Current page: 6 of 292
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Bus Control and
Input/Output
Flash EEPROM
EEPROM
Resets and
Interrupts
Clocks
Table of Contents
MC68HC912BD32 Rev 1.0
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55
Detecting Access Type from External Signals . . . . . . . . . . . . . . . . . .55
Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66
Flash EEPROM Control Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66
Flash EEPROM Array . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66
Flash EEPROM Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71
Programming the Flash EEPROM . . . . . . . . . . . . . . . . . . . . . . . . . . .74
Erasing the Flash EEPROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76
Program/Erase Protection Interlocks . . . . . . . . . . . . . . . . . . . . . . . . .78
Stop or Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .78
Test Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81
EEPROM Programmer’s Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . .82
EEPROM Control Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89
Exception Priority . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89
Maskable interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90
Interrupt Control and Priority Registers . . . . . . . . . . . . . . . . . . . . . . .92
Resets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93
Effects of Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .94
Register Stacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97
Clock Selection and Generation . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97
Slow Mode Divider . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100
CGM Register Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100
Clock Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101
Computer Operating Properly (COP) . . . . . . . . . . . . . . . . . . . . . . . .101
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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