![NXP Semiconductors LCP43 Series User Manual Download Page 936](http://html1.mh-extra.com/html/nxp-semiconductors/lcp43-series/lcp43-series_user-manual_1721817936.webp)
UM10503
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2012. All rights reserved.
User manual
Rev. 1.3 — 6 July 2012
936 of 1269
NXP Semiconductors
UM10503
Chapter 35: LPC43xx Real-Time Clock (RTC)
[1]
This register value is not changed by reset.
[1]
This register value is not changed by reset.
[1]
This register value is not changed by reset.
[1]
This register value is not changed by reset.
[1]
This register value is not changed by reset.
Table 805. Alarm Hours register (AHRS - address 0x4004 6068) bit description
Bit
Symbol
Description
Reset
value
4:0
HOURS
Hours value in the range of 0 to 23
31:5
-
Reserved, user software should not write ones to reserved bits.
The value read from a reserved bit is not defined.
-
Table 806. Alarm Day of month register (ADOM - address 0x4004 606C) bit description
Bit
Symbol
Description
Reset
value
4:0
DOM
Day of month value in the range of 1 to 28, 29, 30, or 31
(depending on the month and whether it is a leap year).
31:5
-
Reserved, user software should not write ones to reserved bits.
The value read from a reserved bit is not defined.
-
Table 807. Alarm Day of week register (ADOW - address 0x4004 6070) bit description
Bit
Symbol
Description
Reset
value
2:0
DOW
Day of week value in the range of 0 to 6.
31:3
-
Reserved, user software should not write ones to reserved bits.
The value read from a reserved bit is not defined.
-
Table 808. Alarm Day of year register (ADOY - address 0x4004 6074) bit description
Bit
Symbol
Description
Reset
value
8:0
DOY
Day of year value in the range of 1 to 365 (366 for leap years).
31:9
-
Reserved, user software should not write ones to reserved bits.
The value read from a reserved bit is not defined.
-
Table 809. Alarm Month register (AMON - address 0x4004 6078) bit description
Bit
Symbol
Description
Reset
value
3:0
MONTH
Month value in the range of 1 to 12.
31:4
-
Reserved, user software should not write ones to reserved bits.
The value read from a reserved bit is not defined.
-