ISL1219 Intersil Corporation, ISL1219 Datasheet - Page 12

• Manufacturer Part Number: ISL1219
• Description: Real Time Clock/Calendar
• Manufacturer: Intersil Corporation

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instruction latches all clock registers into a buffer, so an
update of the clock does not change the time being read. A
sequential read will not result in the output of data from the
memory array. At the end of a read, the master supplies a
stop condition to end the operation and free the bus. After a
read, the address remains at the previous address +1 so the
ADDR. SECTION
0Ah
0Bh
0Ch
0Dh
0Eh
0Fh
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h
10h
11h
12h
13h
14h
15h
16h
17h
18h
19h
Control
Status
Stamp
Alarm
Time
RTC
User
and
NAME
USR1
USR2
DWA
REG
MNA
MOA
MNT
MOT
DTR
SCA
HRA
SCT
HRT
YRT
ATR
DTA
DTT
DW
MN
MO
INT
SC
HR
YR
SR
DT
EV
Reserved
BMATR1
EVIENB
USR17
USR27
YRT23
EMNA
EMOA
EDWA
12
ESCA
EHRA
ARST
EDTA
YR23
MILT
MIL
IM
0
0
0
0
0
0
0
0
0
7
XTOSCB Reserved
BMATR0
EVBATB
AMN22
ASC22
USR16
USR26
MNT22
SCT22
YRT22
MN22
ALME
SC22
YR22
6
0
0
0
0
0
0
0
0
0
0
0
TABLE 5. REGISTER MEMORY MAP
LPMODE FOBATB
RTCHLT
AMN21
USR15
MNT21
ASC21
AHR21
ADT21
USR25
SCT21
HRT21
YRT21
DTT21
MN21
SC21
HR21
DT21
YR21
ATR5
5
0
0
0
0
0
AMN20
AMO20
ISL1219
AHR20
USR14
USR24
MNT20
MOT20
ASC20
ADT20
SCT20
HRT20
DTT20
YRT20
WRTC
MO20
EVEN
MN20
HR20
SC20
DT20
YR20
ATR4
4
0
0
BIT
EHYS1
AMN13
AMO13
MOT13
user can execute a current address read and continue
reading the next register.
It is not necessary to set the WRTC bit prior to writing into
the control and status, alarm, and user SRAM registers.
ASC13
AHR13
USR13
USR23
MNT13
HRT13
ADT13
SCT13
DTT13
YRT13
MN13
MO13
SC13
HR13
YR13
DT13
ATR3
EVT
FO3
3
0
0
AMO12
ADW12
EHYS0
AMN12
AHR12
USR12
USR22
MNT12
MOT12
ASC12
ADT12
SCT12
HRT12
YRT12
DTT12
MN12
MO12
DTR2
SC12
HR12
DT12
YR12
ATR2
DW2
ALM
FO2
2
ESMP1
ADW11
AMN11
AMO11
USR21
MNT11
MOT11
ASC11
AHR11
ADT11
USR11
SCT11
HRT11
YRT11
DTT11
MN11
MO11
DTR1
SC11
HR11
DT11
YR11
ATR1
DW1
FO1
BAT
1
ADW10
ESMP0
AMN10
AMO10
MNT10
MOT10
ASC10
AHR10
ADT10
USR10
USR20
SCT10
HRT10
DTT10
YRT10
MN10
MO10
RTCF
SC10
HR10
YR10
ATR0
DTR0
DT10
DW0
FO0
0
RANGE
00-59
00-59
00-59
00-59
0-59
0-59
0-23
1-31
1-12
0-99
0-23
1-31
1-12
0-23
1-31
1-12
0-99
N/A
N/A
N/A
N/A
N/A
N/A
N/A
0-6
0-6
August 14, 2006
DEFAULT
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
01h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
FN6314.1