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参数资料
| 型号： | DS1722X/T&R |
| 厂商： | Maxim Integrated |
| 文件页数： | 7/14页 |
| 文件大小： | 384K |
| 描述： | IC THERMOMETER DIG 3-WIRE 8FCHIP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 10,000 |
| 功能： | 温度计，恒温计 |
| 传感器类型： | 内部 |
| 感应温度： | -55°C ~ 120°C |
| 精确度： | ±3°C（最小值） |
| 拓扑： | ADC，寄存器库 |
| 输出类型： | SPI? |
| 输出警报： | 无 |
| 输出风扇： | 无 |
| 电源电压： | 2.65 V ~ 5.5 V |
| 工作温度： | -55°C ~ 120°C |
| 安装类型： | 表面贴装 |
| 包装： | 带卷 (TR) |
DS1722
inactive clock is determined by sampling SCLK when CE becomes active. Therefore, either SCLK
polarity can be accommodated. Input data (SDI) is latched on the internal strobe edge and output data
(SDO) is shifted out on the shift edge (See Table 6 and Figure 3). There is one clock for each bit
transferred. Address and data bits are transferred in groups of eight, MSB first.
FUNCTION TABLE Table 6
MODE
CE
SCLK
SDI
SDO
Disable Reset
L
Input Disabled
Input Disabled
High Z
Write
H
CPOL=1*
Data Bit Latch
High Z
7 of 14
CPOL=0
Read
H
CPOL=1
CPOL=0
X
Next data bit
shift**
*CPOL is the Clock Polarity bit that is set in the control register of the microcontroller.
** SDO remains at High Z until eight bits of data are ready to be shifted out during a read.
NOTE:
CPHA bit polarity must be set to 1 .
SERIAL CLOCK AS A FUNCTION OF MICROCONTROLLER CLOCK
POLARITY (CPOL) Figure 3
CPOL=1
CPOL=0
CE
SCLK
CE
SCLK
INTERNAL
STROBE
SHIFT
INTERNAL
STROBE
SHIFT
NOTE:
CPOL is a bit that is set in the microcontrollers Control Register.
ADDRESS AND DATA BYTES
Address and data bytes are shifted MSB first into the serial data input (SDI) and out of the serial data
output (SDO). Any transfer requires the address of the byte to specify a write or a read, followed by one
or more bytes of data. Data is transferred out of the SDO for a read operation and into the SDI for a write
operation.
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| DS1726U/T&R | 功能描述:板上安装温度传感器 RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| DS1726U+ | 功能描述:板上安装温度传感器 Digital Thermometer & Thermostat RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
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