Toshiba TMP91C824F Data Book page 205

(8) Year column register (for PAGE0 only)
YEARR
bit Symbol
(0326H)
Read/Write
After reset
Function 80 Years
(9) Leap-year register (for PAGE1 only)
YEARR
bit Symbol
(0326H)
Read/Write
After reset
Function
7 6 5
YE7 YE6 YE5
40 Years 20 Years
1 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
7 6 5
"0" is read.
4 3 2
YE4 YE3 YE2
R/W
Undefined
10 Years 8 Years 4 Years
1 1 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 1
0 0 1
4 3 2
91C824-202
TMP91C824
1 0
YE1 YE0
2 Years 1 Year
0 1 99 year
0 0 00 year
0 1 01 year
1 0 02 year
1 1 03 year
0 0 04 year
0 1 05 year
1 0
LEAP1 LEAP0
R/W
Undefined
00:leap-year
01: one year after
leap-year
10:two years after
leap-year
11:three years after
leap-year
Current year
0 0
leap-year
Present is next year of
0 1
a leap year
Present is two years
1 0
after a leap year
Present is three
1 1
years after leap year
is