MC68HC05C8A Datasheet, PDF (47/158 Pages) Motorola, Inc – Microcontrollers

Technical Data — MC68HC05C8A • MC68HCL05C8A • MC68HSC05C8A
Section 5. Resets
5.1 Contents
5.2 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
5.3 Power-On Reset (POR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
5.4 RESET Pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
5.5 Computer Operating Properly (COP) Reset . . . . . . . . . . . . . . . 48
5.5.1 Resetting the COP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
5.5.2 COP During Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
5.5.3 COP During Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
5.5.4 COP During Self-Check Mode . . . . . . . . . . . . . . . . . . . . . . . 49
5.2 Introduction
The microcontroller unit (MCU) can be reset three ways:
1. Initial power-on reset function
2. Active low input to the RESET pin
3. Computer operating properly (COP) reset
MC68HC05C8A • MC68HCL05C8A • MC68HSC05C8A — Rev. 5.0
MOTOROLA
Resets
Technical Data
47