MC68HC908JG16FA MOTOROLA [Motorola, Inc], MC68HC908JG16FA Datasheet - Page 283

• Manufacturer Part Number: MC68HC908JG16FA
• Description: Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

16.1 Contents
16.2 Introduction
MC68HC908JG16
MOTOROLA
Technical Data — MC68HC908JG16
—
Rev. 1.0
Section 16. Keyboard Interrupt Module (KBI)
16.2
16.3
16.4
16.5
16.6
16.7
16.7.1
16.7.2
16.8
16.8.1
16.8.2
16.9
The keyboard interrupt module (KBI) provides eight independently
maskable external interrupts which are accessible via PTA0–PTA7 pins.
Freescale Semiconductor, Inc.
For More Information On This Product,
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 283
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 284
Pin Name Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 284
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 285
Keyboard Initialization. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 287
I/O Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 287
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .289
Keyboard Module During Break Interrupts . . . . . . . . . . . . . . .290
Keyboard Status and Control Register. . . . . . . . . . . . . . . . 288
Keyboard Interrupt Enable Register . . . . . . . . . . . . . . . . . . 289
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289
Keyboard Interrupt Module (KBI)
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Technical Data
283