MC68HC908AZ32ACFU MOTOROLA [Motorola, Inc], MC68HC908AZ32ACFU Datasheet - Page 357

• Manufacturer Part Number: MC68HC908AZ32ACFU
• Description: Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

Advance Information — 68HC908AZ32A
22.1 Contents
22.2 Introduction
22.3 Features
68HC908AZ32A — Rev 0.0
MOTOROLA
22.2
22.3
22.4
22.5
22.6
22.6.1
22.6.2
22.7
22.8
22.8.1
22.8.2
The keyboard interrupt module (KBD) provides five independently
maskable external interrupt pins.
This module is only available on 64-pin package options.
KBD features include:
Freescale Semiconductor, Inc.
•
•
For More Information On This Product,
Five Keyboard Interrupt Pins with Separate Keyboard Interrupt
Enable Bits and One Keyboard Interrupt Mask
Hysteresis Buffers
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 357
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 357
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 358
Keyboard Initialization. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 361
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .362
Keyboard Module During Break Interrupts . . . . . . . . . . . . . . .362
I/O Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 363
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 362
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 362
Keyboard Status and Control Register. . . . . . . . . . . . . . . . 363
Keyboard Interrupt Enable Register . . . . . . . . . . . . . . . . . . 364
Go to: www.freescale.com
Section 22. Keyboard Module (KBD)
Keyboard Module (KBD)
Advance Information
357