Technical data

3-110 Computer Group Literature Center Web Site
Test Descriptions
3
RTC - MK48Txx Timekeeping Tests
These tests check the BBRAM and clock portions of the MK48Txx Real
Time Clock (RTC) chips.
Entering RTC without parameters causes all RTC tests to execute in the
order shown in the table below, except as noted.
To run an individual test, add that test name to the RTC command.
The individual tests are described in alphabetical order on the following
pages.
Table 3-20. RTC Test Group
Name Description
RAM Battery Backed-Up RAM
ADR BBRAM Addressing
ALARM Alarm Interrupt
Executed only when specified:
CLK Real Time Clock Function
WATCHDOG Watchdog Time-Out Reset