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MC6840 - 8-BIT MPU

Download the MC6840 datasheet PDF. This datasheet also covers the MC6800 variant, as both devices belong to the same 8-bit mpu family and are provided as variant models within a single manufacturer datasheet.

General Description

and timing signals be provided to accomplish tions and that other signal lines be monitored the state of the processor.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (MC6800_Motorola.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Motorola Semiconductor (now NXP Semiconductors)

Part Number Description
MC6840 Programmable Timer Module
MC6844 Direct Memory Access Controller
MC68440 Dual-Channel Direct Memory Access Controller
MC6845 MOS(N-Channel / Silicon-Gate)
MC68450 Direct Memory Access Controller

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
MCWOO I i 8-BIT MICROPROCESSING UNIT (MPU) I The MC6800 is a monolithic 8-bit microprocessor forming the central control function for Motorola’s M68~ family. Compatible with TTL, the MC6B~, as with all M6800 system parts, requires only one + 5.O-volt power supply, and no external TTL devices for bus interface. The MC6800 is capable of addressing 64K bytes of memory with its 16-bit address lines. The 8-bit data bus is bidirectional as well as threestate, making direct memory addressing and multiprocessing applications realizable. q 8-Bit Parallel Processing q Bidirectional Data Bus – Variable Length Indexed, . . 16-Bit Address Bus – WK Bytes of Addressing Seven Addressing Modes – Direct, Relative, Immediate, Extended, Implied and Accumulator q 72 Instructions ,>: ,,*!. “)!.IC,[ .