MC68HC05E5 Datasheet, PDF (45/140 Pages) Freescale Semiconductor, Inc – General Release Specification

Freescale Semiconductor, Inc.
General Release Specification — MC68HC05E5
Section 6. Operating Modes
6.1 Contents
6.2 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
6.3 Single-Chip Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
6.4 Self-Check Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
6.5 Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
6.5.1 Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
6.5.2 Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
6.5.3 Data-Retention Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
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
V_SS – V_DD
V_SS – V_DD
Single-Chip
V_TST = 2 x V_DD
V_TST
V_DD
Self-Check
MC68HC05E5 — Rev. 1.0
General Release Specification
Operating Modes
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