12/24 hour register, Register bit assignment – Digi NS9215 User Manual
Page 461
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R E A L T I M E C L O C K M O D U L E
12/24 Hour register
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461
Register bit
assignment
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1 2 / 2 4 H o u r r e g i s t e r
Address: 9006 0004
The 12/24 Hour register controls 12 or 24 hour clock mode operation.
Register
Register bit
assignment
Bits
Access
Mnemonic
Reset
Description
D31:02
N/A
Reserved
N/A
N/A
D01
R/W
Cal
0x1
Calendar operation
0
Calendar operation enabled
1
Calendar operation disabled
D00
R/W
Time
0x1
Time (date, hour, minute, second) operation
0
Time operation enabled
1
Time operation disabled
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
12/24
mode
Bits
Access
Mnemonic
Reset
Description
D31:01
N/A
Reserved
N/A
N/A
D00
R/W
12/24
0x0
12/24 clock mode operation
0
24 hour mode operation
1
12 hour mode operation