Motorola MC6809P 1MHz 8-Bit Microprocessore Unità DIP-40 MCU CPU IC Chip

● 8-Bit Parallel Processing

● Bidirectional Data Bus

● 16-Bit Address Bus – WK Bytes of Addressing

● 72 Instructions – Variable Length

● Seven Addressing Modes – Direct, Relative, Immediate, Indexed, Extended, Implied and Accumulator

● Variable Length Stack

● Vectored Restart

● Maskable Interrupt Vector

● Simplified Clocking Characteristics

● Clock Rates as High as 2.0 MHz

● Simple Bus Interface Without TTL

● Separate Non-Maskable Interrupt – Internal Registers Saved in Stack

● Six Internal Registers – Two Accumulators, Index Register Program Counter, Stack Pointer and Condition Code Register

● Direct Memory Addressing (D MA) and Multiple Processor Capability