MC68HC705J MOTOROLA [Motorola, Inc], MC68HC705J Datasheet - Page 109

• Manufacturer Part Number: MC68HC705J
• Description: Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

9.1 Contents
9.2 Introduction
MC68HC705J1A — Rev. 4.0
MOTOROLA
Technical Data — MC68HC705J1A
9.2
9.3
9.4
9.5
9.5.1
9.5.2
9.6
9.6.1
9.6.2
The multifunction timer provides a timing reference with programmable
real-time interrupt (RTI) capability.
organization.
Features include:
•
•
•
Timer overflow
Four selectable interrupt rates
Computer operating properly (COP) watchdog timer
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Interrupts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
I/O Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Section 9. Multifunction Timer Module
Timer Status and Control Register . . . . . . . . . . . . . . . . . . .112
Timer Counter Register . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .115
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .115
Multifunction Timer Module
Figure 9-1
shows the timer
Technical Data
109