MC68HC908AZ32ACFU MOTOROLA [Motorola, Inc], MC68HC908AZ32ACFU Datasheet - Page 114

• Manufacturer Part Number: MC68HC908AZ32ACFU
• Description: Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

System Integration Module (SIM)
7.2 Introduction
Advance Information
114
7.8.2
7.8.3
This section describes the system integration module (SIM), which
supports up to 32 external and/or internal interrupts. Together with the
central processor unit (CPU), the SIM controls all MCU activities. A block
diagram of the SIM is shown in
the SIM input/output (I/O) registers. The SIM is a system state controller
that coordinates CPU and exception timing. The SIM is responsible for:
Freescale Semiconductor, Inc.
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Bus clock generation and control for CPU and peripherals
– Stop/wait/reset/break entry and recovery
– Internal clock control
Master reset control, including power-on reset (POR) and
computer operating properly (COP) timeout
Interrupt control:
– Acknowledge timing
– Arbitration control timing
– Vector address generation
CPU enable/disable timing
SIM Reset Status Register . . . . . . . . . . . . . . . . . . . . . . . . . 133
SIM Break Flag Control Register . . . . . . . . . . . . . . . . . . . . 134
System Integration Module (SIM)
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Figure
7-1.
Figure 7-2
68HC908AZ32A — Rev 0.0
is a summary of
MOTOROLA