(MC908GR4 / MC908GR8) Microcontrollers

Freescale Semiconductor, Inc. Freescale Semiconductor, Inc... MC68HC908GR8 MC68HC908GR4 Technical Data www.DataSheet4U.com M68HC08 Microcontrollers MC68HC908GR8/D Rev. 4, 6/2002 WWW.MOTOROLA.COM/SEMICONDUCTORS For More Information On This Product, Go to: www.freescale.com Freescale Semiconductor, Inc. Freescale Semiconductor, Inc... For More Information On This Product, Go to: www.freescale.com Freescale Semiconductor, Inc. Freescale Semiconductor, Inc... MC68HC908GR8 MC68HC908GR4 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 indemnify and hold Motorola and its officers, employees, subsidiaries, affiliates, and 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 MC68HC908GR8 — Rev 4.0 MOTOROLA Technical Data 3 For More Information On This Product, Go to: www.freescale.com Freescale Semiconductor, Inc. Freescale Semiconductor, Inc... Technical Data 4 MC68HC908GR8 — Rev 4.0 MOTOROLA For More Information On This Product, Go to: www.freescale.com Freescale Semiconductor, Inc. Technical Data — MC68HC908GR8 List of Paragraphs List of Paragraphs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 List of Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 List of Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Section 1. General Description . . . . . . . . . . . . . . . . . . . . 25 Section 2. Memory Map . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Section 3. Low Power Modes. . . . . . . . . . . . . . . . . . . . . . 49 Section 4. Resets and Interrupts . . . . . . . . . . . . . . . . . . . 61 Section 5. Analog-to-Digital Converter (ADC) . . . . . . . . 79 Section 6. Break Module (BRK) . . . . . . . . . . . . . . . . . . . . 91 Section 7. Clock Generator Module (CGMC) . . . . . . . . . 99 Section 8. Configuration Register (CONFIG) . . . . . . . . 129 Section 9. Computer Operating Properly (COP) . . . . . 133 Section 10. Central Processing Unit (CPU) . . . . . . . . . 139 Section 11. Flash Memory . . . . . . . . . . . . . . . . . . . . . . . 157 Section 12. External Interrupt (IRQ) . . . . . . . . . . . . . . . 167 Section 13. Keyboard Interrupt (KBI) . . . . . . . . . . . . . . 175 Section 14. Low-Voltage Inhibit (LVI) . . . . . . . . . . . . . . 183 Section 15. Monitor ROM (MON) . . . . . . . . . . . . . . . . . . 189 Section 16. Input/Output Ports (I/O) . . . . . . . . . . . . . . . 205 MC68HC908GR8 — Rev 4.0 MOTOROLA List of Paragraphs For More Information On This Product, Go to: www.freescale.com Technical Data 5 Freescale Semiconductor, Inc... Freescale Semiconductor, Inc. List of Paragraphs Section 17. RAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229 Section 18. Serial Communications Interface (SCI) . . . 231 Section 19. System Integration Module (SIM) . . . . . . . 271 Section 20. Serial Peripheral Interface (SPI). . . . . . . . . 297 Section 21. Timebase Module (TBM) . . . . . . . . . . . . . . . 329 Section 22. Timer Interface Module (TIM) . . . . . . . . . . . 335 Section 23. Electrical Specifications. . . . . . . . . . . . . . . 361 Section 24. Mechanical Specifications . . . . . . . . . . . . . 387 Section 25. Ordering Information . . . . . . . . . . . . . . . . . 391 Glossary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 395 Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 405 Freescale Semiconductor, Inc... Technical Data 6 MC68HC908GR8 — Rev 4.0 List of Paragraphs For More Information On This Product, Go to: www.freescale.com MOTOROLA Freescale Semiconductor, Inc. Technical Data — MC68HC908GR8 Table of Contents List of Paragraphs Table of Contents List of Tables List of Figures Section 1. General Description 1.1 1.2 1.3 1.4 1.5 1.6 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 MCU Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Pin Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Freescale Semiconductor, Inc... Section 2. Memory Map 2.1 2.2 2.3 2.4 2.5 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Unimplemented Memory Locations . . . . . . . . . . . . . . . . . . . . . . 35 Reserved Memory Locations . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Input/Output (I/O) Section. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 MC68HC908GR8 — Rev 4.0 MOTOROLA Table of Contents For More Information On This Product, Go to: www.freescale.com Technical Data 7 Freescale Semiconductor, Inc. Table of Contents Section 3. Low Power Modes 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13 3.14 3.15 3.16 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 Analog-to-Digital Converter (ADC) . . . . . . . . . . . . . . . . . . . . . . 50 Break Module (BRK). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 Central Processor Unit (CPU). . . . . . . . . . . . . . . . . . . . . . . . . . 51 Clock Generator Module (CGM) . . . . . . . . . . . . . . . . . . . . . . . . 52 Computer Operating Properly Module (COP). . . . . . . . . . . . . . 52 External Interrupt Module (IRQ) . . . . . . . . . . . . . . . . . . . . . . . . 53 Keyboard Interrupt Module (KBI) . . . . . . . . . . . . . . . . . . . . . . . 53 Low-Voltage Inhibit Module (LVI) . . . . . . . . . . . . . . . . . . . . . . . 54 Serial Communications Interface Module (SCI) . . . . . . . . . . . . 54 Serial Peripheral Interface Module (SPI) . . . . . . . . . . . . . . . . . 55 Timer Interface Module (TIM1 and TIM2) . . . . . . . . . . . . . . . . . 55 Timebase Module (TBM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 Exiting Wait Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 Exiting Stop Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 Freescale Semiconductor, Inc... Section 4. Resets and Interrupts 4.1 4.2 4.3 4.4 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61 Resets. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61 Interrupts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 Section 5. Analog-to-Digital Converter (ADC) 5.1 5.2 Technical Data 8 Table of Contents For More Information On This Product, Go to: www.freescale.com Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79 MC68HC908GR8 — Rev 4.0 MOTOROLA Freescale Semiconductor, Inc. Table of Contents 5.3 5.4 5.5 5.6 5.7 5.8 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 Interrupts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83 Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83 I/O Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83 I/O Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85 Freescale Semiconductor, Inc... Section 6. Break Module (BRK) 6.1 6.2 6.3 6.4 6.5 6.6 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 Introduction . . . . . .