2C Serial Real-Time Clock ADDRESS MAP Table 2 shows the address map for the DS1337 registers. " />
參數(shù)資料
型號(hào)： DS1337
廠(chǎng)商： Maxim Integrated Products
文件頁(yè)數(shù)： 15/16頁(yè)
文件大?。?/td> 0K
描述： IC RTC SERIAL 2WIRE LP 8-DIP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 50
類(lèi)型： 時(shí)鐘/日歷
特點(diǎn)： 警報(bào)器，閏年，方波輸出，涓流充電器
時(shí)間格式： HH:MM:SS（12/24 小時(shí)）
數(shù)據(jù)格式： YY-MM-DD-dd
接口： I²C，2 線(xiàn)串口
電源電壓： 1.8 V ~ 5.5 V
電壓 - 電源，電池： 1.3 V ~ 1.8 V
工作溫度： -40°C ~ 85°C
安裝類(lèi)型： 通孔
封裝/外殼： 8-DIP（0.300"，7.62mm）
供應(yīng)商設(shè)備封裝： 8-PDIP
包裝： 管件
DS1337 I
2C Serial Real-Time Clock
ADDRESS MAP
Table 2 shows the address map for the DS1337 registers. During a multibyte access, when the address pointer
reaches the end of the register space (0Fh) it wraps around to location 00h. On an I
2C START, STOP, or address
pointer incrementing to location 00h, the current time is transferred to a second set of registers. The time
information is read from these secondary registers, while the clock may continue to run. This eliminates the need
to re-read the registers in case of an update of the main registers during a read.
Table 2. Timekeeper Registers
ADDRESS
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
FUNCTION
RANGE
00H
0
10 Seconds
Seconds
00–59
01H
0
10 Minutes
Minutes
00–59
AM/PM
02H
0
12/
24
10 Hour
Hour
Hours
1–12
+AM/PM
00–23
03H
0
Day
1–7
04H
0
10 Date
Date
01–31
05H
Century
0
10 Month
Month
Month/
Century
01–12 +
Century
06H
10 Year
Year
00–99
07H
A1M1
10 Seconds
Seconds
Alarm 1
Seconds
00–59
08H
A1M2
10 Minutes
Minutes
Alarm 1
Minutes
00–59
AM/PM
09H
A1M3
12/
24
10 Hour
Hour
Alarm 1
Hours
1–12 +
AM/PM
00–23
Day
Alarm 1
Day
1–7
0AH
A1M4
DY/
DT
10 Date
Date
Alarm 1
Date
01–31
0BH
A2M2
10 Minutes
Minutes
Alarm 2
Minutes
00–59
AM/PM
0CH
A2M3
12/
24
10 Hour
Hour
Alarm 2
Hours
1–12 +
AM/PM
00–23
Day
Alarm 2
Day
1–7
0DH
A2M4
DY/
DT
10 Date
Date
Alarm 2
Date
01–31
0EH
EOSC
0
RS2
RS1
INTCN
A2IE
A1IE
Control
—
0FH
OSF
0
A2F
A1F
Status
—
Note: Unless otherwise specified, the state of the registers is not defined when power is first applied or VCC falls below the VOSC.
I2C INTERFACE
The I
2C interface is accessible whenever V
CC is at a valid level. If a microcontroller connected to the DS1337 resets
while reading from the DS1337 during an I
2C read, the two could become unsynchronized. The microcontroller must
terminate the last byte read with a Not-Acknowledge (NACK) to properly terminate the read. When the microcontroller
resets, the DS1337 I
2C interface may be placed into a known state by toggling SCL until SDA is observed to be at a
high level. At that point the microcontroller should pull SDA low while SCL is high, generating a START condition.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS1337_06 制造商:MAXIM 制造商全稱(chēng):Maxim Integrated Products 功能描述:I2C Serial Real-Time Clock
DS1337_09 制造商:MAXIM 制造商全稱(chēng):Maxim Integrated Products 功能描述:I2C Serial Real-Time Clock
DS1337+ 功能描述:實(shí)時(shí)時(shí)鐘 I2C Serial RTC RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線(xiàn)接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)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
DS1337+ 制造商:Maxim Integrated Products 功能描述:SEMICONDUCTOR ((NW))
DS1337C 功能描述:實(shí)時(shí)時(shí)鐘 I2C Serial RTC RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線(xiàn)接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)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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