TMP91C824
91C824-197
3.13.2
Detailed explanation of control register
RTC is not initialized by reset.
Therefore, all registers must be initialized at the beginning of the program.
(1) Second column register (for PAGE0 only)
7 6 5 4 3 2 1 0
bit
Symbol SE6 SE5 SE4 SE3 SE2 SE1 SE0
Read/Write
R/W
After reset
Undefined
Function
"0" is
read.
40 sec.
column
20 sec.
Column
10sec.
Column
8 sec.
column
4 sec.
column
2sec.
column
1sec.
column
0 0 0 0 0 0 0 0
sec.
0 0 0 0 0 0 1 1
sec.
0 0 0 0 0 1 0 2
sec.
0 0 0 0 1 0 0 4
sec.
0 0 0 0 1 0 1 5
sec.
0 0 0 0 1 1 0 6
sec.
0 0 0 0 1 1 1 7
sec.
0 0 0 1 0 0 0 8
sec.
0 0 0 1 0 0 1 9
sec.
0 0 1 0 0 0 0 10
sec.
0 0 1 1 0 0 1 19
sec.
0 1 0 0 0 0 0 20
sec.
0 1 0 1 0 0 1 29
sec.
0 1 1 0 0 0 0 30
sec.
0 1 1 1 0 0 1 39
sec.
1 0 0 0 0 0 0 40
sec.
1 0 0 1 0 0 1 49
sec.
1 0 1 0 0 0 0 50
sec.
1 0 1 1 0 0 1 59
sec.
SECR
(0320H)