文件名称:module-Temperature
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DS18B20引脚功能
GND地，DQ数据总线，VDD电源电压
18B20共有三种形式的存储器资源，它们分别是：
ROM 只读存储器，用于存放DS18B20ID编码，其前八位是单线系列编码，后面48位是芯片唯一的序列号，最后8位是以上56位的CRC码。DS18B20共64位ROM
RAM 数据暂存器，数据掉电后丢失，共9个字节，每个字节8位，第1、2个字节是温度转换后的数据值信息，EEPROM 非易失性记忆体，用于存放长期需要保存的数据，上下限温度报警值和校验数据
-DS18B20 Function GND Ground pin, DQ data bus, VDD supply voltage 18B20 There are three forms of memory resources, they are: ROM read-only memory for storing DS18B20ID coding, the top eight single-family is encoded, followed by 48 is the chip serial number only, over the last eight is 56-bit CRC code. DS18B20 total of 64-bit ROM RAM data store, data loss after power-down, a total of 9 bytes, each byte 8-bit, 1, 2 bytes of temperature data converted value information, EEPROM non-volatile volatile memory for storage of long-term need to preserve data, upper and lower temperature alarm and calibration data
GND地，DQ数据总线，VDD电源电压
18B20共有三种形式的存储器资源，它们分别是：
ROM 只读存储器，用于存放DS18B20ID编码，其前八位是单线系列编码，后面48位是芯片唯一的序列号，最后8位是以上56位的CRC码。DS18B20共64位ROM
RAM 数据暂存器，数据掉电后丢失，共9个字节，每个字节8位，第1、2个字节是温度转换后的数据值信息，EEPROM 非易失性记忆体，用于存放长期需要保存的数据，上下限温度报警值和校验数据
-DS18B20 Function GND Ground pin, DQ data bus, VDD supply voltage 18B20 There are three forms of memory resources, they are: ROM read-only memory for storing DS18B20ID coding, the top eight single-family is encoded, followed by 48 is the chip serial number only, over the last eight is 56-bit CRC code. DS18B20 total of 64-bit ROM RAM data store, data loss after power-down, a total of 9 bytes, each byte 8-bit, 1, 2 bytes of temperature data converted value information, EEPROM non-volatile volatile memory for storage of long-term need to preserve data, upper and lower temperature alarm and calibration data
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下载文件列表
module Temperature.doc