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ISL12024IBZ View Datasheet(PDF) - Intersil

Part NameDescriptionManufacturer
ISL12024IBZ Real-Time Clock/Calendar with Embedded Unique ID Intersil
Intersil Intersil
ISL12024IBZ Datasheet PDF : 25 Pages
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ISL12024
TABLE 2. CLOCK/CONTROL MEMORY MAP
BIT
REG
ADDR. TYPE NAME
7
6
5
4
3
2
1
0
RANGE
003F
0037
0036
0035
0034
0033
0032
0031
0030
0027
0026
0025
0024
0023
0022
0021
0020
0014
0013
0012
0011
0010
Status
RTC
(SRAM)
Device ID
Control
(EEPROM)
SR
Y2K
DW
YR
MO
DT
HR
MN
SC
ID7
ID6
ID5
ID4
ID3
ID2
ID1
ID0
PWR
DTR
ATR
INT
BL
BAT
0
0
Y23
0
0
MIL
0
0
ID77
ID67
ID57
ID47
ID37
ID27
ID17
ID07
SBIB
0
0
IM
BP2
AL1
0
0
Y22
0
0
0
M22
S22
ID76
ID66
ID56
ID46
ID36
ID26
ID16
ID06
BSW
0
0
AL1E
BP1
AL0
Y2K21
0
Y21
0
D21
H21
M21
S21
ID75
ID65
ID55
ID45
ID35
ID25
ID15
ID05
0
0
ATR5
AL0E
BP0
OSCF
Y2K20
0
Y20
G20
D20
H20
M20
S20
ID74
ID64
ID54
ID44
ID34
ID24
ID14
ID04
0
0
ATR4
FO1
0
0
Y2K13
0
Y13
G13
D13
H13
M13
S13
ID73
ID63
ID53
ID43
ID33
ID23
ID13
ID03
0
0
ATR3
FO0
0
RWEL
0
DY2
Y12
G12
D12
H12
M12
S12
ID72
ID62
ID52
ID42
ID32
ID22
ID12
ID02
0
DTR2
ATR2
0
0
WEL
0
DY1
Y11
G11
D11
H11
M11
S11
ID71
ID61
ID51
ID41
ID31
ID21
ID11
ID01
0
DTR1
ATR1
0
0
RTCF
01h
Y2K10 19/20 20h
DY0
0-6 00h
Y10
0-99 00h
G10
1-12 00h
D10
1-31 01h
H10
0-23 00h
M10
0-59 00h
S10
0-59 00h
ID70
*
ID60
*
ID50
*
ID40
*
ID30
*
ID20
*
ID10
*
ID00
*
0
40h
DTR0
00h
ATR0
00h
0
00h
0
00h
000F Alarm1 Y2K1
0
000E (EEPROM) DWA1 EDW1
0
A1Y2K21 A1Y2K20 A1Y2K13
0
0
0
0
0
DY2
0
A1Y2K10 19/20 20h
DY1
DY0
0-6 00h
000D
YRA1
Unused - Default = RTC Year value (No EEPROM) - Future expansion
000C
MOA1 EMO1
0
0
A1G20 A1G13 A1G12 A1G11 A1G10 1-12 00h
000B
DTA1 EDT1
0
A1D21 A1D20 A1D13 A1D12 A1D11 A1D10 1-31 00h
000A
HRA1 EHR1
0
A1H21 A1H20 A1H13 A1H12 A1H11 A1H10 0-23 00h
0009
MNA1 EMN1 A1M22 A1M21 A1M20 A1M13 A1M12 A1M11 A1M10 0-59 00h
0008
SCA1 ESC1 A1S22 A1S21 A1S20 A1S13 A1S12 A1S11 A1S10 0-59 00h
0007 Alarm0 Y2K0
0
0006 (EEPROM) DWA0 EDW0
0
A0Y2K21 A0Y2K20 A0Y2K13
0
0
0
0
0
DY2
0
A0Y2K10 19/20 20h
DY1
DY0
0-6 00h
0005
YRA0
Unused - Default = RTC Year value (No EEPROM) - Future expansion
0004
MOA0 EMO0
0
0
A0G20 A0G13 A0G12 A0G11 A0G10 1-12 00h
0003
DTA0 EDT0
0
A0D21 A0D20 A0D13 A0D12 A0D11 A0D10 1-31 00h
0002
HRA0 EHR0
0
A0H21 A0H20 A0H13 A0H12 A0H11 A0H10 0-23 00h
0001
MNA0 EMN0 A0M22 A0M21 A0M20 A0M13 A0M12 A0M11 A0M10 0-59 00h
0000
SCA0 ESC0 A0S22 A0S21 A0S20 A0S13 A0S12 A0S11 A0S10 0-59 00h
NOTE: Shaded cells indicate that NO other value is to be written to that bit. * indicates set at the factory, read-only.
10
FN6370.3
August 18, 2008
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