SM59R16A5 Datasheet, PDF (79/89 Pages) SyncMOS Technologies,Inc – Two serial peripheral interfaces in full duplex mode

SM59R16A5/SM59R09A5/SM59R05A5
8-Bit Micro-controller
64KB/36KB/20KB with ISP Flash
& 2KB RAM embedded
20. RTC(Real Time Clock) function
The RTC interrupt vector is 8BH.
The RTC SFR show as below:
Mnemonic
Description
RTCADDR
RTCDATA
RTC Address
RTC Data
Direct
9Eh
9Fh
Bit 7
-
Bit 6 Bit 5
RTC
-
-
Bit 4 Bit 3 Bit 2 Bit 1
-
RTCADDR[3:0]
RTCDATA[7:0]
Bit 0
RESET
00H
00H
Mnemonic
RTCCTRL
SEC
MIN
HOUR
DAY
WEEK
MONTH
YEAR
ALMMIN
ALMHOUR
ALMDAY
ALMWEEK
ALMMONT
H
Description
RTC Control
register
RTC SECOND
register
RTC MINUTE
register
RTC HOUR
register
RTC DAY
register
RTC WEEK
register
RTC MONTH
register
RTC YEAR
register
RTC minute
alarm
RTC hour alarm
RTC day alarm
RTC week
alarm
RTC month
alarm
Address
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h
10h
11h
12h
Bit 7
RTCen
-
-
-
-
-
-
MINen
HOURen
DAYen
WEEKen
MONTHen
Bit 6
PeriodI
F
Bit 5
Bit 4
RTC function
ALARMInten
ALARMIF
SEC[6:4]
MIN[6:4]
-
HOUR[5:4]
-
DAY[5:4]
-
-
-
-
-
MONTH[4]
YEAR[7:4]
ALMMIN[6:4]
-
ALMHOUR[5:4]
-
ALMDAY[5:4]
-
-
-
-
-
ALMMONTH[4]
Bit 3
Bit 2 Bit 1
Bit 0
PeriodIntE
n
-
-
INT_SEL[2:0]
SEC[3:0]
MIN[3:0]
HOUR[3:0]
DAY[3:0]
WEEK[2:0]
MONTH[3:0]
YEAR[3:0]
ALMMIN[3:0]
ALMHOUR[3:0]
ALMDAY[3:0]
ALMWEEK[2:0]
ALMMONTH[3:0]
RESET
00h
00h
00h
00h
01h
06h
01h
00h
00h
00h
00h
00h
00h
Mnemonic: RTCCTRL
7
6
5
RTCen PeriodIF ALARMInten
4
ALARMIF
3
PeriodIntEn
Address: 00H
2
1
0
Reset
INT_SEL[2:0]
00h
RTCen: RTC Circuit enable
0: disable
1: enable
PeriodIF: Periodical interrupt flag
1: RTC Int caused by periodical Int. Must clear by software write “0”.
ALARMInten: ALARM Interrupt Enable
ALARM interrupt will be generated when ALARM data match RTC data.
0: ALARM Interrupt disable
1: ALARM Interrupt enable
ALARMIF: ALARM interrupt flag
1: RTC Int caused by Alarm Int.
Must clear by software write “0”.
PeriodIntEn: Periodical Interrupt enable
INT_SEL[2:0]: RTC interrupt will be generated periodically according INT_SEL[2:0]
000: interrupt is set as 0.5 second
001: interrupt is set as 1 second
010: interrupt is set as 0.5 minute
011: interrupt is set as 1 minute
100: interrupt is set as 0.5 hour
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M047
79
Ver.H SM59R16A5 04/2015