HC705E5GRSSLASHD datasheet(47/148 Pages) NXP

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MC68HC705E5 — Rev. 1.0

General Release Specification

Operating Modes

General Release Specification — MC68HC705E5

Section 6. Operating Modes

6.1 Contents

6.2

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47

6.3

Single-Chip Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48

6.4

Self-Check Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48

6.5

Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48

6.5.1

Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48

6.5.2

Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49

6.5.3

Data-Retention Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49

6.2 Introduction

The MCU has two modes of operation: single-chip mode and self-check

mode. This section describes these modes as well as the two low-power

modes: stop mode and wait mode.

Refer to Table 6-1 for the conditions required to go into each of the

operating modes.

Table 6-1. Operating Mode Conditions

RESET

IRQ

PB1

Mode

VSS – VDD

Single-Chip

VTST

VDD

Self-Check

VTST = 2 x VDD

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

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