MC68HC08JK1 Datasheet, PDF (173/198 Pages) Motorola, Inc – HCMOS Microcontroller Unit

Freescale Semiconductor, Inc.
Technical Data — MC68H(R)C08JL3
Section 17. Break Module (BREAK)
17.1 Contents
17.2 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
17.3 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174
17.4 Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174
17.4.1 Flag Protection During Break Interrupts . . . . . . . . . . . . . . . 176
17.4.2 CPU During Break Interrupts . . . . . . . . . . . . . . . . . . . . . . . 176
17.4.3 TIM During Break Interrupts . . . . . . . . . . . . . . . . . . . . . . . . 176
17.4.4 COP During Break Interrupts . . . . . . . . . . . . . . . . . . . . . . . 176
17.5 Break Module Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176
17.5.1 Break Status and Control Register (BRKSCR) . . . . . . . . . 177
17.5.2 Break Address Registers . . . . . . . . . . . . . . . . . . . . . . . . . . 178
17.5.3 Break Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178
17.5.4 Break Flag Control Register (BFCR) . . . . . . . . . . . . . . . . . 180
17.6 Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180
17.6.1 Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180
17.6.2 Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180
17.2 Introduction
This section describes the break module. The break module can
generate a break interrupt that stops normal program flow at a defined
address to enter a background program.
MC68H(R)C08JL3 — Rev. 4
MOTOROLA
Break Module (BREAK)
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Technical Data
173