Philips Semiconductors
Product specification
Clock/calendar with 240 × 8-bit RAM
PCF8583
handbook, full pagewidth
control/status
control/status
D1
00
01
02
hundredth of a second
D0
D2
D4
1/10 s
1/100 s
seconds
minutes
hours
D3
D5
10 s
1 s
10 min
1 min
03
04
05
06
free
free
10 h
1 h
year/date
10 day 1 day
weekday/month
10 month 1 month
timer
free
timer
T1
T0
10 day
1 day
07
08
09
0A
alarm control
alarm control
hundredth of a second
alarm
D1
alarm
D0
1/10 s
1/100 s
alarm seconds
D3
D2
D4
alarm minutes
D5
0B
0C
alarm hours
alarm date
free
free
0D
0E
0F
alarm month
alarm timer
free
alarm timer
free RAM
free RAM
CLOCK MODES
EVENT COUNTER
MRB015
Fig.4 Register arrangement.
1997 Jul 15
7