MC68HC908KX2 MOTOROLA [Motorola, Inc], MC68HC908KX2 Datasheet - Page 171

• Manufacturer Part Number: MC68HC908KX2
• Description: Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

Technical Data — MC68HC908KX8 • MC68HC908KX2 • MC68HC08KX8
13.1 Contents
13.2 Introduction
MC68HC908KX8 • MC68HC908KX2 • MC68HC08KX8 — Rev. 1.0
MOTOROLA
13.2
13.3
13.4
13.5
13.6
13.6.1
13.6.2
13.7
13.7.1
13.7.2
The keyboard interrupt module (KBI) provides five independently
maskable external interrupt pins.
Section 13. Keyboard Interrupt Module (KBI)
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
Keyboard Initialization. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176
I/O Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .176
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .176
Keyboard Status and Control Register. . . . . . . . . . . . . . . . 176
Keyboard Interrupt Enable Register . . . . . . . . . . . . . . . . . . 178
Keyboard Interrupt Module (KBI)
Technical Data
171