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参数资料
| 型号： | DS1629S+T&R |
| 厂商： | Maxim Integrated |
| 文件页数： | 9/23页 |
| 文件大小： | 490K |
| 描述： | IC THERM/RTC/CALENDAR DIG 8-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 功能： | 温度计，恒温计 |
| 传感器类型： | 内部 |
| 感应温度： | -55°C ~ 125°C |
| 精确度： | ±2°C（最小值） |
| 拓扑： | ADC，比较器，振荡器，寄存器库 |
| 输出类型： | I²C?/SMBus? |
| 输出警报： | 是 |
| 输出风扇： | 无 |
| 电源电压： | 2.7 V ~ 5.5 V |
| 工作温度： | -55°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 带卷 (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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