MC68HC908JL8 MOTOROLA [Motorola, Inc], MC68HC908JL8 Datasheet - Page 241

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

15.1 Contents
15.2 Introduction
MC68HC908JL8
MOTOROLA
Technical Data – MC68HC908JL8
—
Rev. 2.0
Section 15. Keyboard Interrupt Module (KBI)
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
The keyboard interrupt module (KBI) provides eight independently
maskable external interrupts which are accessible via PTA0–PTA7.
When a port pin is enabled for keyboard interrupt function, an internal
pull-up device is also enabled on the pin.
Freescale Semiconductor, Inc.
For More Information On This Product,
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
Keyboard Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245
Keyboard Status and Control Register. . . . . . . . . . . . . . . . 246
Keyboard Interrupt Enable Register . . . . . . . . . . . . . . . . . . 247
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247
Keyboard Interrupt Module (KBI)
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Technical Data
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