MC68HC08AS20 Datasheet, PDF (147/386 Pages) Freescale Semiconductor, Inc – M68HC08 Microcontrollers

Advance Information — MC68HC08AS20
Section 11. Break Module (Break)
11.1 Contents
11.2 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
11.3 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
11.4 Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .148
11.4.1 Flag Protection During Break Interrupts . . . . . . . . . . . . . . 150
11.4.2 CPU During Break Interrupts. . . . . . . . . . . . . . . . . . . . . . . 150
11.4.3 TIM During Break Interrupts . . . . . . . . . . . . . . . . . . . . . . .150
11.4.4 COP During Break Interrupts . . . . . . . . . . . . . . . . . . . . . . 150
11.5 Break Module Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
11.5.1 Break Status and Control Register . . . . . . . . . . . . . . . . . . 151
11.5.2 Break Address Registers. . . . . . . . . . . . . . . . . . . . . . . . . . 152
11.6 Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
11.6.1 Wait or Stop Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
11.2 Introduction
This section describes the break module (break). The break module can
generate a break interrupt that stops normal program flow at a defined
address to enter a background program.
MC68HC08AS20 — Rev. 4.1
Freescale Semiconductor
Advance Information
147