MC68HC08AZ0 Datasheet, PDF (141/444 Pages) Motorola, Inc – Advance Information

Freescale Semiconductor, Inc.
Break Module
Break Module
Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
Flag protection during break interrupts . . . . . . . . . . . . . . . . . . . . . 141
CPU during break interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
TIM and PIT during break interrupts . . . . . . . . . . . . . . . . . . . . . . . 142
COP during break interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Break module registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Break status and control register (BRKSCR) . . . . . . . . . . . . . . . . 143
Break address registers (BRKH and BRKL) . . . . . . . . . . . . . . . . . 144
Low-power modes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145
Wait Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145
Stop Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145
Introduction
This section describes the break module. The break module can
generate a break interrupt which stops normal program flow at a defined
address in order to begin execution of a background program.
1-brk
MOTOROLA
Break Module
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MC68HC08AZ0
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