MC6805P4
MC6805P4 is 8-BIT MICROCOMPUTER manufactured by Motorola Semiconductor.
FEATURES
- 8-Bit Architecture
- 112 Bytes of Standby RAM
- Standby RAM Power Pin
- Memory Mapped I/O
- 1100 Bytes of User ROM
- 20 TTL/CMOS patible Bidirectional I/O Lines (8 Lines are LED patible)
- On-Chip Clock Generator
- Self-Check Mode
- Zero-Crossing Detection
- Master Reset
- plete Development System Support on EXORciser
- 5 V Single Supply
SOFTWARE FEATURES
- Similar to M6800 Family
- Byte Efficient Instruction Set
- Easy to Program
- True Bit Manipulation
- Bit Test and Branch Instructions
- Versatile Interrupt Handling
- Versatile Index Register
- Powerful Indexed Addressing for Tables
- Full Set of Conditional Branches
- Memory Usable as Register/Flags
- Single Instruction Memory Examine/Change
- 10 Powerful Addressing Modes
- All Addressing Modes Apply to ROM, RAM, and I/O
USER SELECTABLE OPTIONS
- Standby RAM Size is Mask Programmable
- Internal 8-Bit Timer with Selectable Clock Source (External Timer Input or Internal Machine Clock)
- Timer Prescaler Option (7 Bits, 2n)
- 8 Bidirectional I/O Lines with TTL or TTL/CMOS ,Interface Option
- Crystal or Low-Cost Resistor Oscillator Option
- Low Voltage Inhibit Option
- Vectored Interrupts: Timer, Software, and External
- Open Drain Port Option on Ports Band C
Ttiis document contains information on a new product. Specifications and information -herein are subject to change without notice.
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MC680SP4
HMOS...
