MC68HC908JL8 MOTOROLA [Motorola, Inc], MC68HC908JL8 Datasheet - Page 15

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MC68HC908JL8

Manufacturer Part Number
MC68HC908JL8
Description
Motorola reserves the right to make changes without further notice to any products herein
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet

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MC68HC908JL8
MOTOROLA
Rev. 2.0
14.4
14.4.1
14.5
14.6
15.1
15.2
15.3
15.4
15.5
15.5.1
15.6
15.6.1
15.6.2
15.7
15.7.1
15.7.2
15.8
16.1
16.2
16.3
16.4
16.4.1
16.4.2
16.4.3
16.4.4
16.4.5
16.4.6
Freescale Semiconductor, Inc.
For More Information On This Product,
Section 16. Computer Operating Properly (COP)
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236
IRQ Module During Break Interrupts . . . . . . . . . . . . . . . . . . .239
IRQ Status and Control Register (INTSCR) . . . . . . . . . . . . . . 239
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242
I/O Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243
Keyboard Interrupt Registers . . . . . . . . . . . . . . . . . . . . . . . . . 245
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .247
Keyboard Module During Break Interrupts . . . . . . . . . . . . . . .248
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250
I/O Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251
Section 15. Keyboard Interrupt Module (KBI)
IRQ Pin. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237
Keyboard Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245
Keyboard Status and Control Register. . . . . . . . . . . . . . . . 246
Keyboard Interrupt Enable Register . . . . . . . . . . . . . . . . . . 247
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247
ICLK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251
COPCTL Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251
Power-On Reset. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251
Internal Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251
Reset Vector Fetch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252
COPD (COP Disable). . . . . . . . . . . . . . . . . . . . . . . . . . . . .252
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Table of Contents
Table of Contents
Technical Data
15

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