Service Cop (Sim_Srvcop); Functional Description - NXP Semiconductors MKL27Z128VFM4 Reference Manual

Table of Contents

COP timeout after 2

COP Clock Select

This write-once field selects between a short timeout or a long timeout, the COP clock source is

configured by COPCLKSEL.

COP configured for short timeout

COP configured for long timeout

COP Windowed Mode

Windowed mode is supported for all COP clock sources, but only when the COP is configured for a long

timeout. The COP window is opened three quarters through the timeout period and will generate a system

reset if the COP is serviced outside of that time.

Windowed mode

12.3.19 Service COP (SIM_SRVCOP)

This is write only register, any read to this register will cause transfer error.

Address: 4004_7000h base + 1104h offset = 4004_8104h

This field is reserved.

Service COP Register

Write 0x55 and then 0xAA (in that order) to reset the COP timeout counter, writing any other value will

generate a system reset.

Introduction

Freescale Semiconductor, Inc.

SIM_COPC field descriptions (continued)

cycles for short timeout or 2

SIM_SRVCOP field descriptions

KL27 Sub-Family Reference Manual , Rev. 5, 01/2016

Chapter 12 System Integration Module (SIM)

cycles for long timeout