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ISL12020M View Datasheet(PDF) - Intersil

Part NameDescriptionManufacturer
ISL12020M Low Power RTC with Battery Backed SRAM,Integrated ±5ppm Temperature Compensation and Auto Daylight Saving Intersil
Intersil Intersil
ISL12020M Datasheet PDF : 32 Pages
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ISL12020M
TABLE 1. REGISTER MEMORY MAP (X INDICATES DEFAULT VARIES WITH EACH DEVICE. YELLOW SHADING
INDICATES THOSE BITS SHOULD NOT BE CHANGED BY THE USER)
REG
BIT
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
RTC
DT
0
0
DT21
DT20
DT13
DT12
DT11
DT10
1 to 31
01h
04h
MO
0
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
SR
BUSY
OSCF DSTADJ
ALM
LVDD
LBAT85 LBAT75
RTCF
N/A
01h
08h
INT
ARST
WRTC
IM
FOBATB
FO3
FO2
FO1
FO0
N/A
01h
09h
PWR_VDD CLRTS
D
D
D
D
VDDTrip2 VDDTrip1 VDDTrip0
N/A
00h
0Ah
PWR_VBAT
RESEALB VB85Tp2 VB85Tp1 VB85Tp0 VB75Tp2 VB75Tp1 VB75Tp0
N/A
00h
0Bh
CSR
ITRO
IDTR01 IDTR00 IATR05 IATR04 IATR03 IATR02 IATR01 IATR00
N/A
XXh
0Ch
ALPHA
D
ALPHA6 ALPHA5 ALPHA4 ALPHA3 ALPHA2 ALPHA1 ALPHA0
N/A
XXh
0Dh
BETA
TSE
BTSE
BTSR
BETA4 BETA3 BETA2 BETA1 BETA0
N/A
XXh
0Eh
FATR
0
0
FFATR5 FATR4
FATR3
FATR2
FATR1
FATR0
N/A
00h
0Fh
FDTR
0
0
0
FDTR4 FDTR3 FDTR2 FDTR1 FDTR0
N/A
00h
10h
SCA0
ESCA0 SCA022 SCA021 SCA020 SCA013 SCA012 SCA011 SCA010 00 to 59
00h
11h
MNA0 EMNA0 MNA022 MNA021 MNA020 MNA013 MNA012 MNA011 MNA010 00 to 59
00h
12h
HRA0 EHRA0
D
HRA021 HRA020 HRA013 HRA012 HRA011 HRA010 0 to 23
00h
ALARM
13h
DTA0
EDTA0
D
DTA021 DTA020 DTA013 DTA012 DTA011 DTA010 01 to 31
00h
14h
MOA0 EMOA00
D
D
MOA020 MOA013 MOA012 MOA011 MOA010 01 to 12
00h
15h
DWA0 EDWA0
D
D
D
D
DWA02 DWA01 DWA00
0 to 6
00h
16h
VSC
0
VSC22 VSC21 VSC20 VSC13 VSC12 VSC11 VSC10 0 to 59
00h
17h
VMN
0
VMN22 VMN21 VMN20 VMN13 VMN12 VMN11 VMN10 0 to 59
00h
18h TSV2B
VHR
VMIL
0
VHR21 VHR20 VHR13 VHR12 VHR11 VHR10 0 to 23
00h
19h
VDT
0
0
VDT21
VDT20
VDT13
VDT12
VDT11
VDT10
1 to 31
00h
1Ah
VMO
0
0
0
VMO20 VMO13 VMO12 VMO11 VMO10 1 to 12
00h
1Bh
BSC
0
BSC22 BSC21 BSC20 BSC13 BSC12 BSC11 BSC10 0 to 59
00h
1Ch
BMN
0
BMN22 BMN21 BMN20 BMN13 BMN12 BMN11 BMN10 0 to 59
00h
1Dh TSB2V
BHR
BMIL
0
BHR21 BHR20 BHR13 BHR12 BHR11 BHR10 0 to 23
00h
1Eh
BDT
0
0
BDT21
BDT20
BDT13
BDT12
BDT11
BDT10
1 to 31
00h
1Fh
BMO
0
0
0
BMO20 BMO13 BMO12 BMO11 BMO10 1 to 12
00h
13
FN6667.4
February 11, 2010
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