Fintek
Feature Integration Technology Inc.
F15353
6.3 Real-time Data
The real-time data is stored in a 56-bit register in BCD code of year, month, day, day of week, hour, minute, and
second data. The data from the LSB which is the first digit of the year is transmitted or received by read/write
command performed by the real-time access.
MSB
Y80
Y40
Y20
Y10
Y8
Y4
Y2
LSB
Y1
Year data (00 to 99)
auto calendar to 2099
0
0
0
M10
M8
M4
M2
M1
Month data (01 to 12)
auto calendar feature with leap year
0
0
D20
D10
D8
D4
D2
D1
Day data (01 to 31)
0
0
0
0
0
W4
W2
W1
Day of week data (00 to 06)
00 represents Sunday.
0
AM/PM
H20
H10
H8
H4
H2
H1
Hour data (00 to 23 or 00 to 11)
0
m40
m20
m10
m8
m4
m2
m1
Minute data (00 to 59)
0
s40
S20
s10
s8
s4
s2
s1
Second data (00 to 59)
11
V0.12P
FINTEK [ FEATURE INTEGRATION TECHNOLOGY INC. ]
