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參數(shù)資料
| 型號(hào)： | AT30TS750-XM8-B |
| 廠商： | ATMEL CORP |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 3Cel, SQUARE, SURFACE MOUNT |
| 封裝： | 3 X 3 MM, GREEN, PLASTIC, MSOP-8 |
| 文件頁數(shù)： | 7/52頁 |
| 文件大?。?/td> | 1369K |
| 代理商： | AT30TS750-XM8-B |
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Atmel AT30TS750 [Preliminary]
6.1
Pointer Register
The 8-bit write-only Pointer Register is used to address and select which one of the device’s
seven data registers (Temperature Register, Configuration Register, TLOW Limit Register, THIGH
Limit Register, Nonvolatile Configuration Register, Nonvolatile TLOW Limit Register, or
Nonvolatile THIGH Limit Register) will be read from or written to.
For read operations from the AT30TS750, once the Pointer Register is set to point to a particular
data register, it remains pointed to that same data register until the Pointer Register value is
changed. For example, if the user sets the Pointer Register to point to the Temperature Register,
then all subsequent reads from the device will output data from the Temperature Register until
the Pointer Register value is changed.
For write operations to the AT30TS750, the Pointer Register value must be refreshed each time a
write to the device is to be performed, even if the same data register is going to be written to a
second time in a row. For example, if the Pointer Register is set to point to the Configuration
Register, once the subsequent write operation to the Configuration Register has completed, the
user cannot write again into the Configuration Register without first setting the Pointer Register
value again. As long as a write operation is to be performed, the device will assume that the
Pointer Register value is the first data byte received after the address byte.
Since only seven data registers are available for access, only the five LSBs (P4-P0) of the Pointer
Register are used; the remaining three bits (P7-P5) of the Pointer Register should always be set
to “0” to allow for future migration paths to other temperature sensor devices that have more than
seven data registers. In addition, the device incorporates additional commands that are decoded
in lieu of the Pointer Register byte. Therefore, if bits P7-P5 are not set as “0” when setting the
value of the Pointer Register byte, the device may interpret the data as one of the additional
commands. Table 6-2 shows the bit assignments of the Pointer Register and the associated
pointer addresses of the data registers available. Attempts to write any values other than those
listed in Table 6-2 into the Pointer Register will be ignored by the device, and the contents of the
Pointer Register will not be changed. The device will respond back to the Master with a NACK to
indicate that the device received an invalid Pointer Register byte.
Table 6-2.
Pointer Register and Address Assignments
Pointer Register Value
P7
P6
P5
P4
P3
P2
P1
P0
Associated
Address
Register Selected
0
00h
Temperature Register
0
1
01h
Configuration Register
0
1
0
02h
TLOW Limit Register
0
1
03h
THIGH Limit Register
0
1
0
1
11h
Nonvolatile Configuration Register
0
1
0
1
0
12h
Nonvolatile TLOW Limit Register
0
1
0
1
13h
Nonvolatile THIGH Limit Register
8749A-DTS-03/11
15
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AT30TS750XM8T | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:9- to 12-bit Selectable, ?±0.5?°C Accurate Digital Temperature Sensor with Nonvolatile Registers |
| AT30TS750-XM8-T | 功能描述:板上安裝溫度傳感器 TMP SENSOR RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| AT30TS75A-MA8M-T | 功能描述:SENSOR TEMP I2C/SMBUS 8UDFN 制造商:atmel 系列:- 包裝:剪切帶（CT） 零件狀態(tài):有效 傳感器類型:數(shù)字，本地 檢測(cè)溫度 - 本地:-55°C ~ 125°C 檢測(cè)溫度 - 遠(yuǎn)程:- 輸出類型:I2C/SMBus 電壓 - 電源:1.7 V ~ 5.5 V 分辨率:11 b 特性:單觸發(fā)，輸出開關(guān)，可編程極限，可編程分辨率，關(guān)斷模式 精度 - 最高（最低）:±1°C（±3°C） 測(cè)試條件:0°C ~ 85°C（-40°C ~ 120°C） 工作溫度:-55°C ~ 125°C 封裝/外殼:8-UFDFN 裸露焊盤 供應(yīng)商器件封裝:8-UDFN（2x3） 標(biāo)準(zhǔn)包裝:1 |
| AT30TS75A-SS8M-B | 功能描述:SENSOR TEMP I2C/SMBUS 8SOIC 制造商:atmel 系列:- 包裝:管件 零件狀態(tài):有效 傳感器類型:數(shù)字，本地 檢測(cè)溫度 - 本地:-55°C ~ 125°C 檢測(cè)溫度 - 遠(yuǎn)程:- 輸出類型:I2C/SMBus 電壓 - 電源:1.7 V ~ 5.5 V 分辨率:11 b 特性:單觸發(fā)，輸出開關(guān)，可編程極限，可編程分辨率，關(guān)斷模式 精度 - 最高（最低）:±1°C（±3°C） 測(cè)試條件:0°C ~ 85°C（-40°C ~ 120°C） 工作溫度:-55°C ~ 125°C 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應(yīng)商器件封裝:8-SOIC 標(biāo)準(zhǔn)包裝:100 |
| AT30TS75A-SS8M-T | 功能描述:SENSOR TEMP I2C/SMBUS 8SOIC 制造商:atmel 系列:- 包裝:剪切帶（CT） 零件狀態(tài):有效 傳感器類型:數(shù)字，本地 檢測(cè)溫度 - 本地:-55°C ~ 125°C 檢測(cè)溫度 - 遠(yuǎn)程:- 輸出類型:I2C/SMBus 電壓 - 電源:1.7 V ~ 5.5 V 分辨率:11 b 特性:單觸發(fā)，輸出開關(guān)，可編程極限，可編程分辨率，關(guān)斷模式 精度 - 最高（最低）:±1°C（±3°C） 測(cè)試條件:0°C ~ 85°C（-40°C ~ 120°C） 工作溫度:-55°C ~ 125°C 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應(yīng)商器件封裝:8-SOIC 標(biāo)準(zhǔn)包裝:1 |
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