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MC68705P5

Motorola
Part Number MC68705P5
Manufacturer Motorola
Description 8-Bit EPROM Microcontroller
Published Nov 27, 2019
Detailed Description ® MOTOROLA Advance Information 8-BIT EPROM MICROCOMPUTER UNIT The MC68705P5 Microcomputer Unit (MCU) is an EPROM member ...
Datasheet PDF File MC68705P5 PDF File

MC68705P5
MC68705P5

Overview
® MOTOROLA Advance Information 8-BIT EPROM MICROCOMPUTER UNIT The MC68705P5 Microcomputer Unit (MCU) is an EPROM member of the M6805 Family of low-cost single-chip microcomputers.
The user programmable EPROM allows program changes and lower volume applications in comparison to the factory mask programmable versions.
The EPROM versions also reduce the development costs and turnaround time for prototype evaluation of the mask ROM versions, This 8-bit microcomputer contains a CPU, on-chip CLOCK, EPROM, bootstrap ROM, RAM, I/O, and a TIMER.
Because of these features, the MC68705P5 offers the user an economical means of designing an M6805 Family MCU into his system, either as a prototype evaluation, as a low-volume production run, or a pilot production run.
HARDWARE FEATURES • 8-Bit Architecture • 112 bytes of RAM • Memory Mapped I/O • 1804 Bytes of User EPROM • Internal 8-Bit Timer with 7-Bit Prescaler • Programmable Prescaler • Programmable Timer Input Modes • External Timer Interrupt • Vectored Interrupts - External, Timer, and Software • Zero-Cross Detection on INT Input • 20 TTL/CMOS Compatible Bidirectional I/O Lines (8 Lines are LED Compatible) • On-Chip Clock Generator • Master and Power-On Reset • Complete Development System Support on EXORciser • Emulates the MC6805P2 and MC6805P4 (Except for VSB) • Bootstrap Program in ROM Simplifies EPROM Programming • EPROM Security Features (Hardware and Software) 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 Registers/Flags • Single Instruction Memory Examine/Change • 10 Powerful Addressing Modes • All Addressing Modes Apply to EPROM, RAM, and I/O ThiS document contains mformatlon on a new product Speclflcatlons and Information herein are subject to change without no...


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