WWW.MOTOROLA.COM/SEMICONDUCTORS
M68HC08
Microcontrollers
MC68HC908MR8/D
Rev. 4, 8/2002
MC68HC908MR8
Technical Data
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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MC68HC908MR8 -- Rev 4.0
Technical Data
MOTOROLA
3
MC68HC908MR8
Technical Data -- Rev 4.0
Motorola reserves the right to make changes without further notice to any products
herein. Motorola makes no warranty, representation or guarantee regarding the
suitability of its products for any particular purpose, nor does Motorola assume any
liability arising out of the application or use of any product or circuit, and specifically
disclaims any and all liability, including without limitation consequential or incidental
damages. "Typical" parameters which may be provided in Motorola data sheets and/or
specifications can and do vary in different applications and actual performance may
vary over time. All operating parameters, including "Typicals" must be validated for
each customer application by customer's technical experts. Motorola does not convey
any license under its patent rights nor the rights of others. Motorola products are not
designed, intended, or authorized for use as components in systems intended for
surgical implant into the body, or other applications intended to support or sustain life,
or for any other application in which the failure of the Motorola product could create a
situation where personal injury or death may occur. Should Buyer purchase or use
Motorola products for any such unintended or unauthorized application, Buyer shall
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distributors harmless against all claims, costs, damages, and expenses, and
reasonable attorney fees arising out of, directly or indirectly, any claim of personal
injury or death associated with such unintended or unauthorized use, even if such claim
alleges that Motorola was negligent regarding the design or manufacture of the part.
Motorola, Inc. is an Equal Opportunity/Affirmative Action Employer.
Motorola and
are registered trademarks of Motorola, Inc.
DigitalDNA is a trademark of Motorola, Inc.
Motorola, Inc., 2002
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Freescale Semiconductor, Inc.
For More Information On This Product,
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MC68HC908MR8 -- Rev 4.0
Technical Data
MOTOROLA
List of Paragraphs
5
Technical Data -- MC68HC908MR8
List of Paragraphs
Section 1. General Description . . . . . . . . . . . . . . . . . . . . 29
Section 2. Memory Map . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Section 3. Random-Access Memory (RAM) . . . . . . . . . . 53
Section 4. FLASH Memory . . . . . . . . . . . . . . . . . . . . . . . . 55
Section 5. Configuration Register (CONFIG) . . . . . . . . . 67
Section 6. Central Processor Unit (CPU) . . . . . . . . . . . . 71
Section 7. System Integration Module (SIM) . . . . . . . . . 89
Section 8. Clock Generator Module (CGM) . . . . . . . . . . 111
Section 9. Pulse-Width Modulator for Motor Control
(PWMMC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
Section 10. Monitor ROM (MON) . . . . . . . . . . . . . . . . . . 187
Section 11. Timer Interface A (TIMA). . . . . . . . . . . . . . . 199
Section 12. Timer Interface B (TIMB). . . . . . . . . . . . . . . 223
Section 13. Serial Communications Interface (SCI) . . . 247
Section 14. Input/Output (I/O) Ports . . . . . . . . . . . . . . . 279
Section 15. Computer Operating Properly (COP) . . . . 291
Section 16. External Interrupt (IRQ) . . . . . . . . . . . . . . . 297
Section 17. Low-Voltage Inhibit (LVI) . . . . . . . . . . . . . . 305
Section 18. Analog-to-Digital Converter (ADC) . . . . . . 311
Section 19. Power-On Reset (POR) . . . . . . . . . . . . . . . 327
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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