Digi NS9215 - Manual (Page 460)

R E A L T I M E C L O C K M O D U L E
RTC configuration and status registers
460 Hardware Reference NS9215
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R T C c o n f i g u r a t i o n a n d s t a t u s r e g i s t e r s
All configuration registers must be accessed as 32-bit words and as single accesses
only. Bursting is not allowed.
Register address
map
The reset values listed in the register descriptions are set when the regulated
battery voltage on pins N3 and M4 drops below 1.56V.
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R T C G e n e r a l C o n t r o l r e g i s t e r
Address: 9006 0000
The RTC General Control register contains miscellaneous settings for the RTC
module.
Register
Address Description
9006 0000 RTC General Control register
9006 0004 12/24 Hour register
9006 0008 Time register
90060 000C Calendar register
9006 0010 Time Alarm register
9006 0014 Calendar Alarm register
9006 0018 Alarm Enable register
9006 001C Event Flags register
9006 0020 Interrupt Enable register
9006 0024 Interrupt Disable register
9006 0028 Interrupt Status register
9006 002C General Status register
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 Cal Time