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Part Number: MC68HC908GR8
Description: The MC68HC908GR8 is a member of the low-cost, high-performance M68HC08 Family of 8-bit microcontroller units (MCUs)....
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MC68HC908GR8
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DataSheet
General Description
MC68HC908GR8 General Description
The MC68HC908GR8 is a member of the low-cost, high-performance M68HC08 Family of 8-bit microcontroller units (MCUs). All MCUs in the family use the enhanced M68HC08 central processor unit (CPU08) and are available with a variety of modules, memory sizes and types, and package types. This document also describes the MC68HC908GR4.
The MC68HC908GR4 is a device identical to the MC68HC908GR8 except that it has less Flash memory. Only when there are differences from the MC68HC908GR8 is the MC68HC908GR4 specifically mentioned in the text.
MC68HC908GR8 Maximum Ratings
| Characteristic(1) | Symbol | Value | Unit |
| Supply voltage | VDD | 0.3 to + 5.5 | V |
| Input voltage | VIn | VSS 0.3 to VDD + 0.3 | V |
| Maximum current per pin excluding VDD, VSS, and PTC0PTC1 |
I | ± 15 | mA |
| Maximum current for pins PTC0PTC1 |
IPTC0PTC1 | ± 25 | mA |
| Maximum current into VDD | Imvdd | 150 | mA |
| Maximum current out of VSS | Imvss | 150 | mA |
| Storage temperature | Tstg | 55 to +150 | °C |
MC68HC908GR8 Features
For convenience, features have been organized to reflect:
• Standard features of the MC68HC908GR8
• Features of the CPU08
Standard Features of the MC68HC908GR8
• High-performance M68HC08 architecture optimized for Ccompilers
• Fully upward-compatible object code with M6805, M146805, and M68HC05 Families
• 8-MHz internal bus frequency
• FLASH program memory security(1)
• On-chip programming firmware for use with host personal computer which does not require high voltage for entry
• In-system programming
• System protection features:
Optional computer operating properly (COP) reset
Low-voltage detection with optional reset and selectable trip points for 3.0 V and 5.0 V operation
Illegal opcode detection with reset
Illegal address detection with reset
• Low-power design; fully static with stop and wait modes
• Standard low-power modes of operation:
Wait mode
Stop mode
• Master reset pin and power-on reset (POR)
Features of the CPU08 include:
• Enhanced HC05 programming model
• Extensive loop control functions
• 16 addressing modes (eight more than the HC05)
• 16-bit index register and stack pointer
• Memory-to-memory data transfers
• Fast 8 * 8 multiply instruction
• Fast 16/8 divide instruction
• Binary-coded decimal (BCD) instructions
• Optimization for controller applications
• Efficient C language support
• Standard features of the MC68HC908GR8
• Features of the CPU08
Standard Features of the MC68HC908GR8
• High-performance M68HC08 architecture optimized for Ccompilers
• Fully upward-compatible object code with M6805, M146805, and M68HC05 Families
• 8-MHz internal bus frequency
• FLASH program memory security(1)
• On-chip programming firmware for use with host personal computer which does not require high voltage for entry
• In-system programming
• System protection features:
Optional computer operating properly (COP) reset
Low-voltage detection with optional reset and selectable trip points for 3.0 V and 5.0 V operation
Illegal opcode detection with reset
Illegal address detection with reset
• Low-power design; fully static with stop and wait modes
• Standard low-power modes of operation:
Wait mode
Stop mode
• Master reset pin and power-on reset (POR)
Features of the CPU08 include:
• Enhanced HC05 programming model
• Extensive loop control functions
• 16 addressing modes (eight more than the HC05)
• 16-bit index register and stack pointer
• Memory-to-memory data transfers
• Fast 8 * 8 multiply instruction
• Fast 16/8 divide instruction
• Binary-coded decimal (BCD) instructions
• Optimization for controller applications
• Efficient C language support
MC68HC908GR8 Connection Diagram
MC68HC908GR8
PDF/DataSheet Download
- Datasheet: MC68HC908GR8
- File Size: 3225931 KB
- Manufacturer: MOTOROLA [Motorola, Inc]
- Click here to Download
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