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參數(shù)資料
| 型號： | DS1629S+T&R |
| 廠商： | Maxim Integrated |
| 文件頁數(shù)： | 9/23頁 |
| 文件大?。?/td> | 490K |
| 描述： | IC THERM/RTC/CALENDAR DIG 8-SOIC |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 功能： | 溫度計(jì)，恒溫計(jì) |
| 傳感器類型： | 內(nèi)部 |
| 感應(yīng)溫度： | -55°C ~ 125°C |
| 精確度： | ±2°C（最小值） |
| 拓?fù)洌?/td> | ADC，比較器，振蕩器，寄存器庫 |
| 輸出類型： | I²C?/SMBus? |
| 輸出警報(bào)： | 是 |
| 輸出風(fēng)扇： | 無 |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 工作溫度： | -55°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-SOIC |
| 包裝： | 帶卷 (TR) |
DS1629
9 of 23
SRAM FORMAT Table 4
BYTE
TE T
00h
SRAM BYTE 0
01h
SRAM BYTE 1
2h
RAM BYTE 2
. . .
. . .
1Eh
SRAM BYTE 30
1Fh
SRAM BYTE 31
CLOCK ALARM REGISTER FORMAT Figure 4
OPERATIONCONFIGURATION/STATUS REGISTER
The configuration/status register is accessed via the Access Config (ACh) function command. Writing to
or reading from the register is determined by the R/
bit of the 2-wire control byte (see the 2-Wire
Serial Data Bus section). Data is read from or written to the configuration register MSb first. The format
of the register is illustrated in Figure 5. The effect each bit has on DS1629 functionality is described
along with the power-up state and volatility. The user has read/write access to the MSB and read-only
access to the LSB of the register.
Configuration/Status Register Figure 5
OS1
OS0
A1
A0
0
CNV
POL
1SH
MSB
MSb
LSb
AF
TAF
AL
TAL
L B
1SH = Temperature Conversion Mode. If 1SHOT is 1, the DS1629 will perform one temperature
conversion upon reception of the Start Convert T protocol. If 1SHOT is 0, the DS1629 will continuously
perform temperature conversions and store the last completed result in the Thermometer Register. The
user has read/ write access to the nonvolatile bit, and the factory default state is 0 (continuous mode).
POL = ALRM Polarity Bit. If POL = 1, the active state of the ALRM output will be high. A 0 stored in
this location sets the thermostat output to an active-low state. The user has read/write access to the
nonvolatile POL bit, and the factory default state is 0 (active low).
CNV = Power-up conversion state. If CNV = 0 (factory default), the DS1629 will automatically initiate a
temperature conversion upon power-up and supply stability. Setting CNV = 1 causes the DS1629 to
power up in a standby state. Table 5 illustrates how the user can set 1SH and CNV, depending on the
power consumption sensitivity of the application.
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