XC908AS60ACFU Motorola Semiconductor Products, XC908AS60ACFU Datasheet - Page 431

• Manufacturer Part Number: XC908AS60ACFU
• Description: MC68HC908AZ60A, MC68HC908AS60A Hcmos Microcontroller Unit Technical Data
• Manufacturer: Motorola Semiconductor Products

Technical Data — MC68HC908AZ60A
24.1 Contents
24.2 Introduction
MC68HC908AZ60A — Rev 2.0
MOTOROLA
24.2
24.3
24.4
24.5
24.6
24.6.1
24.6.2
24.7
24.8
24.8.1
24.8.2
The keyboard interrupt module (KBD) provides five independently
maskable external interrupt pins.
This module is only available on 64-pin package options.
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 431
Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 432
Functional Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . .432
Keyboard Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . .435
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 436
Keyboard Module During Break Interrupts . . . . . . . . . . . .436
I/O Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 437
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 436
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 436
Keyboard Status and Control Register . . . . . . . . . . . . . 437
Keyboard Interrupt Enable Register. . . . . . . . . . . . . . . . 438
Section 24. Keyboard Module (KBD)
Keyboard Module (KBD)
Technical Data
431