RTC_C Registers
735
SLAU367P – October 2012 – Revised April 2020
Copyright © 2012–2020, Texas Instruments Incorporated
Real-Time Clock C (RTC_C)
Table 29-2. RTC_C Registers (continued)
Offset
Acronym
Register Name
Type
Access
Reset
Key
Protected
LPM3.5
Retention
(2)
Do not access the year register RTCYEAR in byte mode.
0Ch
RTCPS
Real-Time Prescale Timer 0, 1
Counter
Read/write
Word
none
yes
retained
0Ch
RT0PS
Real-Time Prescale Timer 0
Counter
Read/write
Byte
none
yes
retained
or RTCPS_L
0Dh
RT1PS
Real-Time Prescale Timer 1
Counter
Read/write
Byte
none
yes
retained
or RTCPS_H
0Eh
RTCIV
Real Time Clock Interrupt Vector
Read
Word
0000h
no
not
retained
(1)
10h
RTCTIM0
Real-Time Clock Seconds,
Minutes
Read/write
Word
undefined
yes
retained
10h
RTCSEC
Real-Time Clock Seconds
Read/write
Byte
undefined
yes
retained
or RTCTIM0_L
11h
RTCMIN
Real-Time Clock Minutes
Read/write
Byte
undefined
yes
retained
or RTCTIM0_H
12h
RTCTIM1
Real-Time Clock Hour, Day of
Week
Read/write
Word
undefined
yes
retained
12h
RTCHOUR
Real-Time Clock Hour
Read/write
Byte
undefined
yes
retained
or RTCTIM1_L
13h
RTCDOW
Real-Time Clock Day of Week
Read/write
Byte
undefined
yes
retained
or RTCTIM1_H
14h
RTCDATE
Real-Time Clock Date
Read/write
Word
undefined
yes
retained
14h
RTCDAY
Real-Time Clock Day of Month
Read/write
Byte
undefined
yes
retained
or RTCDATE_L
15h
RTCMON
Real-Time Clock Month
Read/write
Byte
undefined
yes
retained
or RTCDATE_H
16h
RTCYEAR
Real-Time Clock Year
(2)
Read/write
Word
undefined
yes
retained
18h
RTCAMINHR
Real-Time Clock Minutes, Hour
Alarm
Read/write
Word
undefined
no
retained
18h
RTCAMIN
Real-Time Clock Minutes Alarm
Read/write
Byte
undefined
no
retained
or RTCAMINHR_L
19h
RTCAHOUR
Real-Time Clock Hours Alarm
Read/write
Byte
undefined
no
retained
or RTCAMINHR_H
1Ah
RTCADOWDAY
Real-Time Clock Day of Week,
Day of Month Alarm
Read/write
Word
undefined
no
retained
1Ah
RTCADOW
Real-Time Clock Day of Week
Alarm
Read/write
Byte
undefined
no
retained
or
RTCADOWDAY_L
1Bh
RTCADAY
Real-Time Clock Day of Month
Alarm
Read/write
Byte
undefined
no
retained
or
RTCADOWDAY_H
1Ch
BIN2BCD
Binary-to-BCD conversion
register
Read/write
Word
0000h
no
not retained
1Eh
BCD2BIN
BCD-to-binary conversion
register
Read/write
Word
0000h
no
not retained