Motorola MCPN750A Benutzerhandbuch

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Computer Group Literature Center Web Site
Functional Description
6
The clock furnishes seconds, minutes, hours, day, date, month, and year in 
BCD 24-hour format. Corrections for 28-, 29- (leap year), and 30-day 
months are made automatically. Although the M48T559 is an 8-bit device, 
8-, 16-, and 32-bit accesses from the ISA bus to the M48T559 are 
supported. Refer to the MCPN750A CompactPCI Single Board Computer 
Programmer’s Reference Guide
 (MCPN750A/PG) and to the M48T559 
Data Sheet
 for detailed programming and battery life information.
Replacing Lithium Batteries
Follow these safety rules for proper battery operation and to reduce 
equipment and personal injury hazards when handling lithium batteries. 
Use the battery for its intended application only.
Note
Do not recharge, open, puncture or crush, incinerate, expose 
to high temperatures or dispose of in your general trash 
collection.
To replace the lithium battery, observe the following guidelines and follow 
the steps below.
Note
When replacing the battery, power must be applied to the board 
to prevent data loss.
!
Warning
Dangerous voltages, capable of causing death, may be present 
in system equipment. Use extreme caution when handling, 
testing, and adjusting.
!
Warning
Lithium batteries incorporate flammable materials such as 
lithium and organic solvents. If lithium batteries are 
mistreated or handled incorrectly, they may burst open and 
ignite, possibly resulting in injury and/or fire. when dealing 
with lithium batteries, carefully follow the precautions listed 
below in order to prevent accidents.
Do not short-circuit.