mc68hc908jb8 Freescale Semiconductor, Inc, mc68hc908jb8 Datasheet - Page 227

• Manufacturer Part Number: mc68hc908jb8
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Technical Data — MC68HC908JB8•MC68HC08JB8•MC68HC08JT8
14.1 Contents
14.2 Introduction
MC68HC908JB8•MC68HC08JB8•MC68HC08JT8 — Rev. 2.3
Freescale Semiconductor
Section 14. Keyboard Interrupt Module (KBI)
14.2
14.3
14.4
14.5
14.6
14.7
14.7.1
14.7.2
14.8
14.9
14.9.1
14.9.2
The keyboard interrupt module (KBI) provides eight independently
maskable external interrupts which are accessible via PTA0–PTA7 pins.
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228
Keyboard Initialization. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232
Keyboard Module During Break Interrupts . . . . . . . . . . . . . . . 233
Pin Name Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .230
I/O Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .232
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .232
Keyboard Status and Control Register. . . . . . . . . . . . . . . . 233
Keyboard Interrupt Enable Register . . . . . . . . . . . . . . . . . . 235
Keyboard Interrupt Module (KBI)
Technical Data
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