Table of Contents
Advertisement
Chapter 12
Real Time Clock (RTC)
Hours Setting Register (RTCHD: 0x03EE2)
bp
Bit name
At reset
Access
bp
Bit name
7
6
5 to 0
HD5 to 0
Day of Week Setting Register (RTCWD: 0x03EE3)
bp
Bit name
At reset
Access
bp
Bit name
7 to 3
2 to 0
WD2 to 0
XII - 12
Control Registers
7
6
-
HD6
0
0
R
R/W
R/W
-
Always read as 0.
"AM/PM" setting
0: AM
HD6
1: PM
* In 24-hour clock mode, bit setting of the HD6 is ignored.
"Hour" setting
<24-hour clock mode>
Set a value within the range of "00" to "23" using the BCD format.
The value is incremented by one from "00" to "23" per hour.
<In 12-hour clock>
Set a value within the range of "00" to "11" using the BCD format.
The value is incremented by one from "00" to "11" per hour.
* The value which doesn't exist must not be set.
7
6
-
-
0
0
R
R
-
Always read as 0.
"Day of the week" setting
000: Sunday
001: Monday
010: Tuesday
011: Wednesday
100: Thursday
101: Friday
110: Saturday
111: Setting Prohibited
* The value is incremented by one from "000" to "110" per day.
5
4
0
0
R/W
R/W
Description
5
4
-
-
0
0
R
R
R
Description
3
2
1
HD5-0
0
0
0
R/W
R/W
3
2
1
-
WD2-0
0
0
0
R/W
R/W
0
0
R/W
0
0
R/W
Hide quick links:
Advertisement
Table of Contents
