MC68HC908JK3 MOTOROLA [Motorola, Inc], MC68HC908JK3 Datasheet - Page 11
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MC68HC908JK3
Manufacturer Part Number
MC68HC908JK3
Description
MC68HC908JK1
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet
1.MC68HC908JK3.pdf
(210 pages)
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MC68H(R)C908JL3
MOTOROLA
—
Rev. 1.0
12.6
12.6.1
12.6.2
12.6.3
13.1
13.2
13.3
13.4
13.4.1
13.5
13.6
14.1
14.2
14.3
14.4
14.4.1
14.4.2
14.4.3
14.5
14.6
14.7
15.1
15.2
15.3
Section 15. Computer Operating Properly (COP)
Port D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
IRQ Module During Break Interrupts . . . . . . . . . . . . . . . . . . . 163
IRQ Status and Control Register (ISCR) . . . . . . . . . . . . . . . . 163
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166
Wait Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Keyboard Module During Break Interrupts . . . . . . . . . . . . . . . 171
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174
Section 14. Keyboard Interrupt Module (KBI)
Port D Data Register (PTD) . . . . . . . . . . . . . . . . . . . . . . . . 155
Data Direction Register D (DDRD). . . . . . . . . . . . . . . . . . . 156
Port D Control Register (PDCR). . . . . . . . . . . . . . . . . . . . . 157
IRQ1 Pin. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Keyboard Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
Keyboard Status and Control Register. . . . . . . . . . . . . . . . 169
Keyboard Interrupt Enable Register . . . . . . . . . . . . . . . . . . 170
Section 13. External Interrupt (IRQ)
Table of Contents
Table of Contents
Technical Data
11