NAiS FP Series, Hardware Manual

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FP0 Hardware Special Data Registers
C-6 Matsushita Electric Works (Europe) AG
Addresses
Description
T32CP Other Types
DT90054
(see note)
DT90054, Clock/calendar monitor and setting (minute/second)
DT90055, Clock/calendar monitor and setting (day/hour)
DT90056, Clock/calendar monitor and setting (year/month)
DT90057, Clock/calendar monitor and setting (day-of-the-week)
The year, month, day, hour, minute, second, and day-of-the-week data for
the calendar timer is stored. The built-in calendar timer will operate cor-
rectly through the year 2099 and supports leap years. The calendar timer
can be set (the time set) by writing a value using a programming tool or a
DT90055
(see note)
Higher 8 bits Lower 8 bits
DT90054
Minute
H00 to H59 (BCD) Second
H00 to H59 (BCD)
can be set (the time set) by writing a value using a programming tool or a
program that uses the F0 (MV) transfer instruction.
DT90056
(see note)
DT90055 Day
H01 to H31 (BCD)
Hour
H00 to H23 (BCD)
DT90056
Year
H00 to H99 (BCD) Month
H01 to H12 (BCD)
DT90057
Day-of-the-week
H00 to H06 (BCD)
DT90057
(see note)
Note
An expansion memory unit is necessary.