參數(shù)資料
型號： TMP431BDGKT
廠商： TEXAS INSTRUMENTS INC
元件分類： 模擬信號調(diào)理
英文描述： SPECIALTY ANALOG CIRCUIT, PDSO8
封裝： GREEN, PLASTIC, MSOP-8
文件頁數(shù)： 7/40頁
文件大?。?/td> 790K
代理商： TMP431BDGKT
SBOS441C
– SEPTEMBER 2009 – REVISED FEBRUARY 2011
Table 4. TMP432 Register Map (continued)
POINTER ADDRESS
BIT DESCRIPTIONS
POWER-ON
REGISTER
READ
WRITE
RESET (HEX)
D7
D6
D5
D4
D3
D2
D1
D0
DESCRIPTIONS
N-factor Correction
28
00
NC7
NC6
NC5
NC4
NC3
NC2
NC1
NC0
Remote2
Local Temperature
29
NA
00
T3
T2
T1
T0
0
(Low Byte)
35
00
0
R2HIGH
R1HIGH
LHIGH
High Limit Status
36
00
0
R2LOW
R1LOW
LLOW
Low Limit Status
37
00
0
R2THERM
R1THERM
LTHERM
Therm Status
Local Temperature
3D
00
LTH3
LTH2
LTH1
LTH0
0
High Limit (Low
Byte)
Local Temperature
3E
00
LTL3
LTL2
LTL1
LTL0
0
Low Limit (Low
Byte)
Configuration
3F
3C
0
REN2
REN
LEN
RC
0
Register2
NA
FC
00
X
(3)
X
Software Reset
FD
NA
32
0
1
0
1
0
TMP432 Device ID
FE
NA
55
0
1
0
1
0
1
0
1
Manufacturer ID
(3)
X = Undefined. Writing any value to this register initiates a software reset; see the Software Reset section.
space
Pointer Register
The TMP431/32 contain circuitry to assure that a low
byte register read command returns data from the
Figure 15 shows the internal register structure of the
same ADC conversion as the immediately preceding
TMP431/32. The 8-bit Pointer Register is used to
high byte read command. This assurance remains
address a given data register. The Pointer Register
valid only until another register is read. For proper
identifies which of the data registers should respond
operation, the high byte of a temperature register
to a read or write command on the Two-Wire bus.
should be read first. The low byte register should be
This register is set with every write command. A write
read in the next read command. The low byte register
command must be issued to set the proper value in
may be left unread if the LSBs are not needed.
the
Pointer
Register
before
executing
a
read
Alternatively, the temperature registers may be read
command. Table 3 describes the pointer address of
as a 16-bit register by using a single two-byte read
the registers available in the TMP431. Table 4
command from address 00h for the local channel
describes the address of the registers available in the
result, or from address 01h for the remote channel
TMP432. The power-on reset (POR) value of the
result (23h for the second remote channel result).
Pointer Register is 00h (0000 0000b).
The high byte is output first, followed by the low byte.
Both bytes of this read operation are from the same
Temperature Registers
ADC conversion. The power-on reset value of both
The TMP431 has four 8-bit registers that hold
temperature registers is 00h.
temperature measurement results. The TMP432 has
six 8-bit registers that hold temperature measurement
Limit Registers
results. Both the local channel and the remote
The TMP431/32 have registers for setting comparator
channel have a high byte register that contains the
limits for both the local and remote measurement
most significant bits (MSBs) of the temperature
channels. These registers have read and write
analog-to-digital converter (ADC) result and a low
capability. The High and Low Limit Registers for both
byte register that contains the least significant bits
channels span two registers, as do the temperature
(LSBs) of the temperature ADC result. The local
registers. The local temperature high limit is set by
channel high byte address for the TMP431/32 is 00h;
writing the high byte to pointer address 0Bh and
the local channel low byte address is 15h for the
writing the low byte to pointer address 16h for the
TMP431 and 29h for the TMP432. The remote
TMP431 and 3Dh for the TMP432, or by using a
channel high byte is at address 01h; the remote
single two-byte write command (high byte first) to
channel low byte address is 10h. For the TMP432,
pointer address 0Bh.
the second remote channel high byte address is 23h;
the second remote channel low byte is 24h. These
registers are read-only and are updated by the ADC
each time a temperature measurement is completed.
2009–2011, Texas Instruments Incorporated
15
Product Folder Link(s): TMP431 TMP432
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TMP431CDGKR 功能描述:板上安裝溫度傳感器 +/-1C Remote and Local Temp Sensor RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 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: 安裝風格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
TMP431CDGKT 功能描述:板上安裝溫度傳感器 +/-1C Remote and Local Temp Sensor RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 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: 安裝風格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
TMP431DDGKR 功能描述:板上安裝溫度傳感器 +/-1C Remote and Local Temp Sensor RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 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: 安裝風格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
TMP431DDGKT 功能描述:板上安裝溫度傳感器 +/-1C Remote and Local Temp Sensor RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 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: 安裝風格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
TMP432ADGSR 功能描述:板上安裝溫度傳感器 Remote & Local Temp Sensor RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 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: 安裝風格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
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