MC68HC08AS20 Datasheet, PDF (29/386 Pages) Freescale Semiconductor, Inc – M68HC08 Microcontrollers

• System Protection Features
– Computer Operating Properly (COP) with Optional Reset
– Low-Voltage Detection with Optional Reset
– Illegal Opcode Detection with Optional Reset
– Illegal Address Detection with Optional Reset
• Low-Power Design (Fully Static with Stop and Wait Modes)
• Master Reset Pin and Power-On Reset
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
• C Language Support
1.4 MCU Block Diagram
Figure 1-1 shows the structure of the MC68HC08AS20.
MC68HC08AS20 — Rev. 4.1
Freescale Semiconductor
Advance Information
29