mc68hc708mp16 Freescale Semiconductor, Inc, mc68hc708mp16 Datasheet - Page 333

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mc68hc708mp16

Manufacturer Part Number
mc68hc708mp16
Description
M68hc08 Microcontrollers
Manufacturer
Freescale Semiconductor, Inc
Datasheet

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Technical Data — MC68HC708MP16
16.1 Contents
16.2 Introduction
MC68HC708MP16
Freescale Semiconductor
Section 16. Computer Operating Properly (COP)
Rev. 3.1
16.2
16.3
16.4
16.4.1
16.4.2
16.4.3
16.4.4
16.4.5
16.4.6
16.5
16.6
16.7
16.8
16.9
This section describes the computer operating properly module (COP,
Version B), a free-running counter that generates a reset if allowed to
overflow. The COP module helps software recover from runaway code.
Prevent a COP reset by periodically clearing the COP counter.
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 333
Interrupts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .337
Wait Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 337
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .334
I/O Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 335
COP Control Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 336
Monitor Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .337
COP Module During Break Mode . . . . . . . . . . . . . . . . . . . . . . 337
Computer Operating Properly (COP)
CGMXCLK. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 335
COPCTL Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 335
Power-On Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 335
Internal Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 336
Reset Vector Fetch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .336
COPD (COP Disable) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 336
Technical Data
333

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