Microcontrollers Data Sheet

MC68HC(7)08KH12 — Rev. 1.1 Advance Information
Freescale Semiconductor
219
Advance Information — MC68HC(7)08KH12
Section 15. Keyboard Interrupt Module (KBI)
15.1 Contents
15.2 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .220
15.3 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .220
15.4 Port-D Keyboard Interrupt Block Diagram . . . . . . . . . . . . . . .222
15.4.1 Port-D Keyboard Interrupt Functional Description. . . . . . .223
15.4.2 Port-D Keyboard Initialization . . . . . . . . . . . . . . . . . . . . . .224
15.4.3 Port-D Keyboard Interrupt Registers. . . . . . . . . . . . . . . . .225
15.4.3.1 Port-D Keyboard Status and Control Register: . . . . . . .225
15.4.3.2 Port-D Keyboard Interrupt Enable Register . . . . . . . . . .226
15.5 Port-E Keyboard Interrupt Block Diagram . . . . . . . . . . . . . . .228
15.5.1 Port-E Keyboard Interrupt Functional Description. . . . . . .229
15.5.2 Port-E Keyboard Initialization . . . . . . . . . . . . . . . . . . . . . .230
15.5.3 Port-E Keyboard Interrupt Registers . . . . . . . . . . . . . . . . .231
15.5.3.1 Port-E Keyboard Status and Control Register . . . . . . . .231
15.5.3.2 Port-E Keyboard Interrupt Enable Register . . . . . . . . . .232
15.6 Port-F Keyboard Interrupt Block Diagram. . . . . . . . . . . . . . . .234
15.6.1 Port-F Keyboard Interrupt Functional Description. . . . . . .235
15.6.2 Port-F Keyboard Initialization . . . . . . . . . . . . . . . . . . . . . .236
15.6.3 Port-F Keyboard Interrupt Registers . . . . . . . . . . . . . . . . .237
15.6.3.1 Port-F Keyboard Status and Control Register . . . . . . . .237
15.6.3.2 Port-F Keyboard Interrupt Enable Register . . . . . . . . . .238
15.6.3.3 Port-F Pull-up Enable Register . . . . . . . . . . . . . . . . . . .239
15.7 Wait Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .239
15.8 Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .239
15.9 Keyboard Module During Break Interrupts . . . . . . . . . . . . . . .239