mc68hc908mr8 Freescale Semiconductor, Inc, mc68hc908mr8 Datasheet - Page 329

• Manufacturer Part Number: mc68hc908mr8
• Description: M68hc08 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

20.1 Contents
20.2 Introduction
MC68HC908MR8 — Rev 4.1
Freescale Semiconductor
Technical Data — MC68HC908MR8
20.2
20.3
20.4
20.4.1
20.4.2
20.4.3
20.4.4
20.5
20.5.1
20.5.2
20.6
20.6.1
20.6.2
20.6.3
20.6.4
This section describes the break (BRK) module. The break module can
generate a break interrupt that stops normal program flow at a defined
address to enter a background program.
Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .330
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .329
Functional Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . .330
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .333
Break Module Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . .333
Flag Protection During Break Interrupts . . . . . . . . . . . .330
CPU During Break Interrupts . . . . . . . . . . . . . . . . . . . . .332
TIM During Break Interrupts . . . . . . . . . . . . . . . . . . . . . .332
COP During Break Interrupts . . . . . . . . . . . . . . . . . . . . .332
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .333
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .333
Break Status and Control Register. . . . . . . . . . . . . . . . .333
Break Address Registers. . . . . . . . . . . . . . . . . . . . . . . . .334
SIM Break Status Register. . . . . . . . . . . . . . . . . . . . . . . .336
SIM Break Flag Control Register . . . . . . . . . . . . . . . . . .337
Break (BRK)
Section 20. Break (BRK)
Technical Data
329