MC68HC908GZ8
Data Sheet
M68HC08
Microcontrollers
MC68HC908GZ8/D
Rev. 0
2/2003
MOTOROLA.COM/SEMICONDUCTORS
MC68HC908GZ8
Data Sheet
To provide the most up-to-date information, the revision of our documents on the
World Wide Web will be the most current. Your printed copy may be an earlier
revision. To verify you have the latest information available, refer to:
http://motorola.com/semiconductors
The following revision history table summarizes changes contained in this
document. For your convenience, the page number designators have been linked
to the appropriate location.
Motorola and the Stylized M Logo are registered trademarks of Motorola, Inc.
DigitalDNA is a trademark of Motorola, Inc.
This product incorporates SuperFlash® technology licensed from SST.
MC68HC908GZ8
MOTOROLA
© Motorola, Inc., 2003
Data Sheet
3
Revision History
Revision History
Date
February,
2003
Revision
Level
N/A
Initial release
Description
Page
Number(s)
N/A
Data Sheet
4
Revision History
MC68HC908GZ8
MOTOROLA
Data Sheet — MC68HC908GZ8
List of Sections
Section 1. General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Section 2. Memory Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Section 3. Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Section 4. Resets and Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Section 5. Analog-to-Digital Converter (ADC) . . . . . . . . . . . . . . . . . . . 65
Section 6. Break Module (BRK) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Section 7. Clock Generator Module (CGM). . . . . . . . . . . . . . . . . . . . . . 83
Section 8. Configuration Register (CONFIG) . . . . . . . . . . . . . . . . . . . 103
Section 9. Computer Operating Properly (COP) Module. . . . . . . . . . 107
Section 10. Central Processor Unit (CPU) . . . . . . . . . . . . . . . . . . . . . 111
Section 11. FLASH Memory (FLASH) . . . . . . . . . . . . . . . . . . . . . . . . . 125
Section 12. External Interrupt (IRQ) . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Section 13. Keyboard Interrupt Module (KBI) . . . . . . . . . . . . . . . . . . 139
Section 14. Low-Voltage Inhibit (LVI) . . . . . . . . . . . . . . . . . . . . . . . . . 145
Section 15. Monitor ROM (MON) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Section 16. MSCAN08 Controller (MSCAN08) . . . . . . . . . . . . . . . . . . 161
Section 17. Input/Output (I/O) Ports . . . . . . . . . . . . . . . . . . . . . . . . . . 199
Section 18. Random-Access Memory (RAM) . . . . . . . . . . . . . . . . . . . 217
Section 19. Enhanced Serial Communications
Interface (ESCI) Module . . . . . . . . . . . . . . . . . . . . . . . . . 219
Section 20. System Integration Module (SIM) . . . . . . . . . . . . . . . . . . 255
MC68HC908GZ8
MOTOROLA
List of Sections
Data Sheet
5
