Calendar register – Digi NS9215 User Manual
Page 463
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R E A L T I M E C L O C K M O D U L E
Calendar register
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463
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C a l e n d a r r e g i s t e r
Address: 9006 000C
The Calendar register sets the calendar values to the correct values, and reads the
calendar registers. BCD is binary coded decimal.
Register
Register bit
assignment
13
12
11
10
9
8
7
6
5
4
3
2
1
0
15
14
31
29
28
27
26
25
24
23
22
21
20
19
18
17
16
30
Reserved
Reserved
C_T
C_U
Y_T
Y_U
D_U
M_U
D_T
M_T
Day
Bits
Access
Mnemonic
Reset
Description
D31:30
N/A
Reserved
N/A
N/A
D29:28
R/W
C_T
0x0
Century, tens, BCD digit (1-2)
D27:24
R/W
C_U
0x0
Century, units, BCD digit (0-9)
D23:20
R/W
Y_T
0x0
Years, tens, BCD digit (0-9)
D19:16
R/W
Y_U
0x0
Years, units, BCD digit (0-9)
D15:14
N/A
Reserved
N/A
N/A
D13:12
R/W
D_T
0x0
Date, tens, BCD digit (0-3)
D11:08
R/W
D_U
0x0
Date, units, BCD digit (0-9)
D07
R/W
M_T
0x0
Months, tens, BCD digit (0-1)
D06:03
R/W
M_U
0x0
Months, units, BCD digit (0-9)
D02:00
R/W
Day
0x0
Day of week, units, BCD digit (0-7)