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参数资料
| 型号： | DS1621V/T&R |
| 厂商： | Maxim Integrated |
| 文件页数： | 8/16页 |
| 文件大小： | 337K |
| 描述： | IC THERMOMETER/STAT DIG 8-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,000 |
| 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（三角积分型），比较器，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（0.209"，5.30mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 带卷 (TR) |
DS1621
8 of 16
The DS1621 may operate in the following two modes:
1. Slave receiver mode: Serial data and clock are received through SDA and SCL. After each byte is
received an acknowledge bit is transmitted. START and STOP conditions are recognized as the
beginning and end of a serial transfer. Address recognition is performed by hardware after reception
of the slave address and direction bit.
2. Slave transmitter mode: The first byte is received and handled as in the slave receiver mode.
However, in this mode the direction bit will indicate that the transfer direction is reversed. Serial data
is transmitted on SDA by the DS1621 while the serial clock is input on SCL. START and STOP
conditions are recognized as the beginning and end of a serial transfer.
SLAVE ADDRESS
A control byte is the first byte received following the START condition from the master device. The
control byte consists of a 4-bit control code; for the DS1621, this is set as 1001 binary for read and write
operations. The next 3 bits of the control byte are the device select bits (A2, A1, A0). They are used by
the master device to select which of eight devices are to be accessed. These bits are in effect the 3 least
significant bits of the slave address. The last bit of the control byte (R/
W ) defines the operation to be
performed. When set to a 1 a read operation is selected, when set to a 0 a write operation is selected.
Following the START condition the DS1621 monitors the SDA bus checking the device type identifier
being transmitted. Upon receiving the 1001 code and appropriate device select bits, the slave device
outputs an acknowledge signal on the SDA line.
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相关代理商/技术参数 |
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|---|---|
| DS-1621ZJ | 制造商:Hikvision USA 功能描述:6" Outdoor Speed Dome Bracket, White, Pole Mount 制造商:HIKVISION 功能描述:MOUNT |
| DS1622 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Industrial Control IC |
| DS1622S | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Industrial Control IC |
| DS-1622ZJ | 制造商:Hikvision USA 功能描述:Pendant Pole Mount Bracket 4.6In X 7.65In X 12.2In |
| DS1623 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:IC-DIGITAL THERMOSTAT |
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