ISL12032 Datasheet, PDF (12/26 Pages) Intersil Corporation – Low Power RTC with Battery Backed SRAM and 50/60 Cycle AC Input and Xtal Back-up

ISL12032
TABLE 1. REGISTER MEMORY MAP (X indicates writes to these bits have no effect on the device)
BIT
REG
ADDR SECTION NAME
7
6
5
4
3
2
1
0
RANGE DEFAULT
00h
SC
0
SC22
SC21
SC20
SC13
SC12
SC11
SC10
0 to 59
00h
01h
MN
0
MN22
MN21
MN20
MN13
MN12
MN11
MN10
0 to 59
00h
02h
HR
MIL
0
HR21
HR20
HR13
HR12
HR11
HR10
0 to 23
00h
03h
DT
0
RTC
04h
MO
0
0
DT21
DT20
DT13
DT12
DT11
DT10
1 to 31
01h
0
0
MO20
MO13
MO12
MO11
MO10
1 to 12
01h
05h
YR
YR23
YR22
YR21
YR20
YR13
YR12
YR11
YR10
0 to 99
00h
06h
DW
0
0
0
0
0
DW2
DW1
DW0
0 to 6
00h
07h
SS
0
0
0
0
SS3
SS2
SS1
SS0
0 to 9
00h
08h
SRDC BMODE DSTADJ ALM1
ALM0
LVDD
LBAT85 LBAT75
RTCF
N/A
01h
Status
09h
SRAC
X
X
X
XOSCF
X
X
ACFAIL ACRDY
N/A
00h
0Ah
ACCNT AXC7
AXC6
AXXC5
AXC4
AXC3
AXC2
AXC1
AXC0 0 to 127
00h
Counter
0Bh
EVTCNT EVC7
EVC6
EVC5
EVC4
EVC3
EVC2
EVC1
EVC0 0 to 127
00h
0Ch
INT
ARST
WRTC
IM
X
X
X
ALE1
ALE0
N/A
01h
0Dh
FO
X
X
X
FOBATB
X
FO2
FO1
FO0
N/A
00h
0Eh
EVIC
X
EVBATB EVIM
EVEN
EHYS1 EHYS0 ESMP1 ESMP0
N/A
00h
0Fh
EVIX
X
X
X
X
X
0
EVIX1
EVIX0
N/A
00h
10h Control TRICK
X
X
X
X
X
TRKEN TRKRO1 TRKRO0
N/A
00h
11h
PWRVDD CLRTS
X
I2CBAT LVENB
X
VDDTrip2 VDDTrip1 VDDTrip0
N/A
00h
12h
PWRBAT
X
BHYS VB85Tp2 VB85Tp1 VB85Tp0 BV75Tp2 VB75Tp1 VB75Tp0
N/A
00h
13h
AC
AC5060 ACENB ACRP1 ACRP0 ACFP1 ACFP0 ACFC1 ACFC0
N/A
00h
14h
FTR
X
X
X
ACMIN XDTR3 XDTR2 XDTR1 XDTR0
N/A
00h
15h
DstMoFd DSTE
0
0
MoFd20 MoFd13 MoFd12 MoFd11 MoFd10 1 to 12
04h
16h
DstDwFd
0
DwFdE WkFd12 WkFd11 WkFd10 DwFd12 DwFd11 DwFd10
0 to 6
00h
17h
DstDtFd
0
0
DtFd21 DtFd20 DtFd13 DtFd12 DtFd11 DtFd10 1 to 31
01h
18h
DstHrFd HrFdMIL
0
HrFd21 HrFd20 HrFd13 HrFd12 HrFd11 HrFd10 0 to 23
02h
DSTCR
19h
DstMoRv
0
0
0
MoRv20 MoRv13 MoRv12 MoRv11 MoRv10 1 to 12
10h
1Ah
DstDwRv
0
DwRvE WkRv12 WkRv11 WkRv10 DwRv12 DwRv11 DwRv10 0 to 6
00h
1Bh
DstDtRv
0
0
DtRv21 DtRv20 DtRv13 DtRv12 DtRv11 DtRv10 1 to 31
01h
1Ch
DstHrRv HrRvMIL
0
HrRv21 HrRv20 HrRv13 HrRv12 HrRv11 HrRv10 0 to 23
02h
1Dh
SCA0
ESCA0 SCA022 SCA021 SCA020 SCA013 SCA012 SCA011 SCA010 0 to 59
00h
1Eh
MNA0 EMNA0 MNA021 MNA020 MNA013 MNA012 MNA011 MNA011 MNA010 0 to 59
00h
1Fh
HRA0 EHRA0
0
HRA021 HRA020 HRA013 HRA012 HRA011 HRA010 0 to 23
00h
Alarm0
20h
DTA0
EDTA0
0
DTA021 DTA020 DTA013 DTA012 DTA011 DTA010 1 to 31
01h
21h
MOA0 EMOA0
0
0
MOA020 MOA013 MOA012 MOA011 MOA010 1 to 12
01h
22h
DWA0 EDWA0
0
0
0
0
DWA02 DWA01 DWA00
0 to 6
00h
12
FN6618.2
April 16, 2009