mc68hc908jb16 Freescale Semiconductor, Inc, mc68hc908jb16 Datasheet - Page 289

• Manufacturer Part Number: mc68hc908jb16
• Description: M68hc08 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

16.1 Contents
16.2 Introduction
MC68HC908JB16
Freescale Semiconductor
Technical Data — MC68HC908JB16
—
Rev. 1.1
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.
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 290
Keyboard Initialization. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 293
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 295
Keyboard Module During Break Interrupts . . . . . . . . . . . . . . . 296
Pin Name Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 290
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .291
I/O Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 293
Keyboard Status and Control Register. . . . . . . . . . . . . . . . 294
Keyboard Interrupt Enable Register . . . . . . . . . . . . . . . . . . 295
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .295
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .295
Keyboard Interrupt Module (KBI)
Technical Data
289