MC68HC708XL36 FREESCALE [Freescale Semiconductor, Inc], MC68HC708XL36 Datasheet - Page 321

• Manufacturer Part Number: MC68HC708XL36
• Description: HCMOS Microcontroller Unit
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Contents
Introduction
Features
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MOTOROLA
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .321
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .321
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .323
Keyboard Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .325
Low-Power Modes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .326
Keyboard Module During Break Interrupts . . . . . . . . . . . . . . . . . . . .326
I/O Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .327
The keyboard module provides eight independently maskable external
interrupt pins.
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .326
Stop Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .326
Keyboard Status and Control Register . . . . . . . . . . . . . . . . . . . . .327
Keyboard Interrupt Enable Register . . . . . . . . . . . . . . . . . . . . . . .328
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Freescale Semiconductor, Inc.
For More Information On This Product,
Eight Keyboard Interrupt Pins with Separate Keyboard Interrupt
Enable Bits and One Keyboard Interrupt Mask
Hysteresis Buffers
Programmable Edge-Only or Edge- and Level- Interrupt Sensitivity
Automatic Interrupt Acknowledge
Exit from Low-Power Modes
Go to: www.freescale.com
KBI
Keyboard Interrupt Module
MC68HC708XL36
KBI
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