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Motorola Manuals
Computer Hardware
MC6805R Series
Advance information
Motorola MC6805R Series Advance Information
8-bit microcomputers
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Contents
Table of Contents
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Table of Contents
Table of Contents
MC6805R2/MC6805U2 Timer Circuitry
MC6805R3/MC6805U3 Timer Circuitry
Timer Input Mode
Timer Input Mode 2
Timer Input Mode 4
Timer Control Register (TCR)
MC68705R3/MC68705U3 and MC68705R5/MC68705U5 Timer Circuitry
Software Controlled Mode
MOR Controlled Mode
Timer Control Register Ncr)
RAM Self-Check Subroutine
ROM Checksum Subroutine
Analog-To-Digital Converter Self-Check
Timer Self-Check Subroutine
Reset
Power-Onreset(Por)
External Reset Input
Low-Voltage Inhibit (LVI)
Internal Clock Generator Options
Interrupts
Input/Output Circuitry
Analog-To-Digital Converter
Mask Options
On-Chip Programming Hardware
Erasing the EPROM
Programming Firmware
Programming Steps
Emulation
Bit Manipulation
Addressing Modes
Immediate
Direct
Extended
Relative
Indexed, no Offset
Indexed, 8-Bit Offset
Indexed, 16-Bit Offset
Bit Setlclear
Bit Test and Branch
Inherent
Instruction Set
Registerl Memory Instructions
Read-Modify-Write Instructions
Branch Instructions
Bit Manipulation Instructions
Control Instructions
Alphabetical Listing
Opcode Map Summary
Electrical Characteristics
Power Considerations
MC6805R2 and MC6805R3 Characteristics
Electrical Characteristics
Switching Characteristics
AID Converter Characteristics
Port Electrical Characteristics
Electrical Characteristics
Switching Characteristics
Port Electrical Characteristics
MC68705R3 and MC68705R5 Characteristics
Programming Operation Electrical Characteristics
Electrical Characteristics
Switching Characteristics
AID Converter Characteristics
Port Electrical Characteristics
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Table of Contents
2
Mc6805R2/Mc6805U2 Timer Circuitry
3
Mc6805R3/Mc6805U3 Timer Circuitry
4
Mc68705R3/Mc68705U3 and Mc68705R5/Mc68705U5 Timer Circuitry
5
On-Chip Programming Hardware
6
Instruction Set
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Advance Information
MC68(7)05R/U
SERIES
8-BIT
MICROCOMPUTERS
JANUARY, 1984
This document contains information on a new product. Specifications and Information herein
are subject to change without notice.
©MOTOROLA INC., 1984
ADI-977
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This manual is also suitable for:
Mc6805u series
Mc6805u3
Mc6805u2
Mc6805r3
Mc6805r2
Mc68705u3
...
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Mc68705u5
Mc68705r3
Mc68705r5
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