MC68HC08AS32 Datasheet, PDF (151/394 Pages) Motorola, Inc – M68HC08 Family of 8-bit microcontroller units (MCUs)

Advance Information — MC68HC08AS32
Section 11. Break Module (Break)
11.1 Contents
11.2 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .151
11.3 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .152
11.4 Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .152
11.4.1 Flag Protection During Break Interrupts . . . . . . . . . . . . . .153
11.4.2 CPU During Break Interrupts. . . . . . . . . . . . . . . . . . . . . . .154
11.4.3 TIM During Break Interrupts . . . . . . . . . . . . . . . . . . . . . . .154
11.4.4 COP During Break Interrupts . . . . . . . . . . . . . . . . . . . . . .154
11.5 Break Module Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . .154
11.5.1 Break Status and Control Register . . . . . . . . . . . . . . . . . .155
11.5.2 Break Address Registers. . . . . . . . . . . . . . . . . . . . . . . . . .156
11.6 Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .156
11.6.1 Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .156
11.6.2 Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .157
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.
MC68HC08AS32 — Rev. 3.0
MOTOROLA
Break Module (Break)
Advance Information
151