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TMP141AIDGKR 数据表(PDF) 10 Page - Texas Instruments |
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TMP141AIDGKR 数据表(HTML) 10 Page - Texas Instruments |
10 / 24 page TMP141 SBAS347A − MARCH 2005 − REVISED JULY 2006 www.ti.com 10 APPLICATIONS INFORMATION Table 1. Register Set Summary ADDRESS RESET VALUE BIT POSITION (MSB to the left. In a transmission, the MSB is sent first.) ADDRESS (hex) NAME R/W VALUE (hex) 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 0 Device Number R 1(1) Not Available (this register is 8 bits long) Reserved See Table 2 0 Device Number R 1(1) Not Available (this register is 8 bits long) 0 0 0 0 0 AS2 AS1 AS0 1 Manufacturer ID R 104C 0 0 0 1 0 0 0 0 0 1 0 0 1 1 0 0 2 Device ID R 8D Revision ID Device ID 2 Device ID R 8D 0 0 0 0 0 0 0 0 1 0 0 0 1 1 0 1 3 Capabilities R 1 Reserved Function 1 3 Capabilities R 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 4 Status R 0 Not Available (this register is 8 bits long) BER 0 0 ORUN 0 0 0 SF1 5 Device Control R/W 0 Reserved ENAB Res Low Pwr Shut Down Reset 5 Device Control R/W 0 0 0 0 0 0 0 0 0 0 0 0 ENAB 0 Low Pwr Shut Down Reset 8 Temperature Capabilities R 014A Reserved Internal Sense ROUT Size Sign Result is10 Bits Resolution Is 0.25 °C 8 Capabilities R 014A 0 0 0 0 0 0 0 1 0 1 0 0 1 0 1 0 9 Temperature Readout R 0 Sign 64 °C 32°C 16°C 8°C 4 °C 2 °C 1 °C 0.5 °C 0.25 °C Reserved 9 Temperature Readout R 0 Sign 64 °C 32°C 16°C 8°C 4 °C 2 °C 1 °C 0.5 °C 0.25 °C 0 0 0 0 0 0 A Temperature Control R/W 0 EN_S AT_E A Temperature Control R/W 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 EN_S AT_E B−1F Reserved R Undefined 20 Conversion Rate R/W 2(2) Not Available (this register is 8 bits long) 0 0 0 0 0 0 Conversion Rate 21−3F Undefined Undefined (1) See Table 2 for the value of register 0 at Reset. (2) See Table 4 for the conversion rate settings. REGISTER DETAILS Register 0: Device Number (Read-Only) Register 0 is an 8-bit register. The device number is created from the inputs at the address pins. The result is placed in Register 0 according to Table 2. Table 2. Device Number—Assignments ADD1:ADD0 AS2:AS0 BITS 2:0 00 001 01 010 10 011 11 100 ADD1 and ADD0 are the physical pins used to define the address to which the TMP141 responds to—they are not the actual addresses. AS2:AS0 is the address to which the device responds. Device number 000b is the broadcast address reserved for communicating with all devices, and can be responded to by all slave devices. The TMP141 ignores a broadcast Read transaction. A broadcast Write message may be used to write to the Device Control Register, which is the only register which responds to broadcast messages (see the Device Control Register description). Register 1: Manufacturer ID (Read-Only) The Manufacturer ID for Texas Instruments is 104Ch. Register 2: Device ID (Read-Only) The device ID is unique for each device produced by TI. Bits 10:0 contain 8Dh, which is the identifier for the TMP141. Bits 15:11 identify the revision of the die and will be incremented upon device revision. Register 3: Capabilities (Read-Only) Function 1 for the TMP141 is temperature measurement; this is the only function defined for the TMP141. This register has the value of 1h. |
类似零件编号 - TMP141AIDGKR |
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类似说明 - TMP141AIDGKR |
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