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參數(shù)資料
| 型號： | ISL12032IVZ |
| 廠商： | Intersil |
| 文件頁數(shù)： | 5/26頁 |
| 文件大小： | 0K |
| 描述： | IC RTC LP BATT BACK SRAM 14TSSOP |
| 產(chǎn)品培訓(xùn)模塊： | Solutions for Industrial Control Applications |
| 標(biāo)準(zhǔn)包裝： | 960 |
| 類型： | 時(shí)間事件記錄器 |
| 特點(diǎn)： | 警報(bào)器，SRAM，涓流充電器 |
| 存儲容量： | 128B |
| 時(shí)間格式： | HH:MM:SS:hh（12/24 小時(shí)） |
| 數(shù)據(jù)格式： | YY-MM-DD-dd |
| 接口： | I²C，2 線串口 |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 電壓 - 電源，電池： | 1.8 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 14-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 14-TSSOP |
| 包裝： | 管件 |
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13
FN6618.3
May 5, 2011
Real Time Clock Registers
Addresses [00h to 07h]
RTC REGISTERS (SC, MN, HR, DT, MO, YR, DW, SS)
These registers depict BCD representations of the time. As
such, SC (Seconds) and MN (Minutes) range from 0 to 59, HR
(Hour) can be either 12-hour or 24-hour mode, DT (Date) is 1
to 31, MO (Month) is 1 to 12, YR (Year) is 0 to 99, DW (Day of
the Week) is 0 to 6, and SS (Sub-Second) is 0 to 9. The Sub-
Second register is read-only and will clear to “0” count each
time there is a write to a register in the RTC section.
The DW register provides a Day of the Week status and uses
three bits DW2 to DW0 to represent the seven days of the
week. The counter advances in the cycle 0-1-2-3-4-5-6-0-1-
2.... The assignment of a numerical value to a specific day of
the week is arbitrary and may be decided by the system
software designer. The default value is defined as “0”.
24 HOUR TIME
If the MIL bit of the HR register is “1”, the RTC uses a
24-hour format. If the MIL bit is “0”, the RTC uses a 12-hour
format and HR21 bit functions as an AM/PM indicator with a
“1” representing PM. The clock defaults to 12-hour format
time with HR21 = “0”.
LEAP YEARS
Leap years add the day February 29 and are defined as those
years that are divisible by 4. Years divisible by 100 are not leap
years, unless they are also divisible by 400. This means that
the year 2000 is a leap year and the year 2100 is not. The
ISL12032 does not correct for the leap year in the year 2100.
Status Registers (SR)
Addresses [08h to 09h]
The Status Registers consist of the DC and AC status
Status Register (SRDC)
The Status Register DC is located in the memory map at
address 08h. This is a volatile register that provides status of
RTC failure (RTCF), Battery Level Monitor (LBAT85,
LBAT75), VDD level monitor (LVDD), Alarm0 or Alarm1
trigger, Daylight Saving Time adjustment, and Battery active
mode.
23h
Alarm1
SCA1
ESCA1
SCA122
SCA121
SCA120
SCA113
SCA112
SCA111
SCA110
0 to 59
00h
24h
MNA1
EMNA1
MNA122
MNA121
MNA120
MNA113
MNA112
MNA111
MNA110
0 to 59
00h
25h
HRA1
EHRA1
0
HRA121
HRA120
HRA113
HRA112
HRA111
HRA110
0 to 23
00h
26h
DTA1
EDTA1
0
DTA121
DTA120
DTA113
DTA112
DTA111
DTA110
1 to 31
01h
27h
MOA1
EMOA1
0
MOA120
MOA113
MOA112
MOA111
MOA110
1 to12
01h
28h
DWA1
EDWA1
0
DWA12
DWA11
DWA10
0 to 6
00h
29h
TSV2B
SCVB
X
SCBV22
SCBV21
SCBV20
SCVB13
SCVB12
SCVB11
SCVB10
0 to 59
00h
2Ah
MNVB
X
MNVB22
MNVB21
MNVB20
MNVB13
MNVB12
MNVB11
MNVB10
0 to 59
00h
2Bh
HRVB
MILVB
X
HRVB21
HRVB20
HRVB13
HRVB12
HRVB11
HRVB10
0 to 23
00h
2Ch
DTVB
X
DTVB21
DTVB20
DTVB13
DTVB12
DTVB11
DTVB10
1 to 31
00h
2Dh
MOVB
X
MOVB20
MOVB13
MOVB12
MOVB11
MOVB10
1 to 12
00h
2Eh
TSB2V
SCBV
X
SCBV22
SCBV21
SCBV20
SCBV13
SCBV12
SCBV11
SCBV10
0 to 59
00h
2Fh
MNBV
X
MNBV22
MNBV21
MNBV20
MNBV13
MNBV12
MNBV11
MNBV10
0 to 59
00h
30h
HRBV
MILBV
X
HRBV21
HRBV20
HRBV13
HRBV12
HRBV11
HRBV10
0 to 23
00h
31h
DTBV
X
DTBV21
DTBV20
DTBV13
DTBV12
DTBV11
DTBV10
1 to 31
00h
32h
MOBV
X
MOBV20
MOBV13
MOBV12
MOBV11
MOBV10
1 to 12
00h
33h
TSEVT
SCT
X
SCT22
SCT21
SCT20
SCT13
SCT12
SCT111
SCT10
0 to 59
00h
34h
MNT
X
MNT22
MNT21
MNT20
MNT13
MNT12
MNT11
MNT10
0 to 59
00h
35h
HRT
MILT
X
HRT21
HRT20
HRT13
HRT12
HRT11
HRT10
0 to 23
00h
36h
DTT
X
DTT21
DTT20
DTT13
DTT12
DTT11
DTT10
1 to 31
00h
37h
MOT
X
MOT20
MOT13
MOT12
MOT11
MOT10
1 to 12
00h
TABLE 1. REGISTER MEMORY MAP (X indicates writes to these bits have no effect on the device) (Continued)
ADDR
SECTION
REG
NAME
BIT
RANGE
DEFAULT
7
6543210
ISL12032
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| ISL12032IVZ-T | 功能描述:實(shí)時(shí)時(shí)鐘 REAL TIME CLK W/ EEPROM 14LD RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
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| ISL12057IRUZ-T | 功能描述:實(shí)時(shí)時(shí)鐘 REAL TIME CLK W/ ALARM DS1337 COMP RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
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