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Motorola 6800: Difference between revisions
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The '''Motorola 6800''' is an 8-bit microprocessor introduced in 1974. | The '''Motorola 6800''' is an 8-bit microprocessor introduced in 1974. | ||
It requires a +5 V supply only (generating bias voltages on chip) and came initially in 40-pin DIL packages. The 6800 has non-multiplexed data (8 bit) and address (16 bit) buses. | It requires a +5 V supply only (generating bias voltages on chip) and came initially in 40-pin DIL packages. The 6800 has non-multiplexed data (8 bit) and address (16 bit) buses, and requires an external non-overlapping two-phase 0.1 − 1 MHz clock (later versions from 1976 on up to 2 MHz). | ||
The '''6802''', introduced in 1977, includes 128 bytes RAM and an internal clock oscillator. The '''6808''' is the same without RAM. | The '''6802''', introduced in 1977, includes 128 bytes RAM and an internal clock oscillator. The '''6808''' is the same without RAM. | ||