Table Of Contents - Motorola MC6805R Series Advance Information

8-bit microcomputers
Table of Contents

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Paragraph
Number
TABLE OF CONTENTS
( Continued)
Title
Section 5
Timer
Page
Number
5.1
MC6805R2/MC6805U2 Timer Circuitry ............................... ,
5-1
5.2
MC6805R3/MC6805U3 Timer Circuitry. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..
5-2
5.2.1
Timer Input Mode 1 ............................................ ,
5-3
5.2.2
Timer Input Mode 2 ............................................ , 5-3
5.2.3
Timer Input Mode 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..
5-3
5.2.4
Timer Input Mode 4 ............................................ , 5-3
5.2.5
Timer Control Register (TCR) ....................................
5-4
5.3
5.3.1
Software Controlled Mode ...................................... , 5-8
5.3.2
MOR Controlled Mode ......................................... , 5-9
5.3.3
Timer Control Register nCR) .................................... 5-9
Section 6
Self-Check
q.1
RAM Self-Check Subroutine. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..
6-1
6.2
ROM Checksum Subroutine. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..
6-1
6.3
Analog-to-Digital Converter Self-Check. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..
6-1
6.4
Timer Self-Check Subroutine ....................................... , 6-3
Section 7
Reset, Clock, and Interrupt Structure
7. 1
Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 7-1
7.1.1
Power-OnReset(POR) .......................................... 7-1
7.1.2
External Reset Input ........................................... , 7-2
7.1.3
Low-Voltage Inhibit (LVI) ........................................ 7-2
7.2
Internal Clock Generator Options .................................... , 7-2
7.3
Interrupts ......................................................... 7-5
Section 8
Input/Output Circuitry and Analog-to-Digital Converter
8.1
I nput/ Output Circuitry ............................................. , 8-1
8.2
Analog-to-Digital Converter ......................................... , 8-3
Section 9
Mask Options and Programming
9.1
Mask Options ..................................................... , 9-1
9.2
On-Chip Programming Hardware .................................... , 9-2
9.3
Erasing the EPROM ................................................ , 9-4
9.4
Programming Firmware ............................................ , 9-4
9.5
Programming Steps ................................................ 9-4
9.6
Emulation ........................................................ , 9-6
iv

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