MC68HC908AB32 MOTOROLA [Motorola, Inc], MC68HC908AB32 Datasheet - Page 365

• Manufacturer Part Number: MC68HC908AB32
• Description: HCMOS Microcontroller Unit
• Manufacturer: MOTOROLA [Motorola, Inc]

22.1 Contents
22.2 Introduction
MC68HC908AB32
MOTOROLA
Technical Data — MC68HC908AB32
—
Rev. 1.0
22.2
22.3
22.4
22.4.1
22.4.2
22.4.3
22.4.4
22.5
22.5.1
22.5.2
22.6
22.6.1
22.6.2
22.6.3
22.6.4
This section describes the break module (BRK). The break module can
generate a break interrupt that stops normal program flow at a defined
address to enter a background program.
Freescale Semiconductor, Inc.
For More Information On This Product,
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 365
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 366
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 366
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 368
Break Module Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 369
Flag Protection During Break Interrupts . . . . . . . . . . . . . . . 368
CPU During Break Interrupts . . . . . . . . . . . . . . . . . . . . . . . 368
PIT, TIMA, and TIMB During Break Interrupts . . . . . . . . . . 368
COP During Break Interrupts . . . . . . . . . . . . . . . . . . . . . . . 368
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 368
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 369
Break Status and Control Register. . . . . . . . . . . . . . . . . . . 369
Break Address Registers . . . . . . . . . . . . . . . . . . . . . . . . . . 370
SIM Break Status Register . . . . . . . . . . . . . . . . . . . . . . . . . 370
SIM Break Flag Control Register . . . . . . . . . . . . . . . . . . . . 372
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Break Module (BRK)
Section 22. Break Module (BRK)
Technical Data
365