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TMP411 Datasheet(PDF) 8 Page - Texas Instruments |
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TMP411 Datasheet(HTML) 8 Page - Texas Instruments |
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8 / 32 page  TMP411 SBOS383C − DECEMBER 2006 − REVISED MAY 2008 www.ti.com 8 Table 2. Decimal Fraction Temperature Data Format (Local and Remote Temperature Low Bytes) REMOTE TEMPERATURE REGISTER LOW BYTE VALUE LOCAL TEMPERATURE REGISTER LOW BYTE VALUE 0.0625 °C RESOLUTION 0.5 °C RESOLUTION 0.25 °C RESOLUTION 0.125 °C RESOLUTION 0.0625 °C RESOLUTION TEMP ( °C) STANDARD AND EXTENDED BINARY HEX STANDARD AND EXTENDED BINARY HEX STANDARD AND EXTENDED BINARY HEX STANDARD AND EXTENDED BINARY HEX STANDARD AND EXTENDED BINARY HEX 0.0000 0000 0000 00 0000 0000 00 0000 0000 00 0000 0000 00 0000 0000 00 0.0625 0001 0000 10 0000 0000 00 0000 0000 00 0000 0000 00 0001 0000 10 0.1250 0010 0000 20 0000 0000 00 0000 0000 00 0010 0000 20 0010 0000 20 0.1875 0011 0000 30 0000 0000 00 0000 0000 00 0010 0000 20 0011 0000 30 0.2500 0100 0000 40 0000 0000 00 0100 0000 40 0100 0000 40 0100 0000 40 0.3125 0101 0000 50 0000 0000 00 0100 0000 40 0100 0000 40 0101 0000 50 0.3750 0110 0000 60 0000 0000 00 0100 0000 40 0110 0000 60 0110 0000 60 0.4375 0111 0000 70 0000 0000 00 0100 0000 40 0110 0000 60 0111 0000 70 0.5000 1000 0000 80 1000 0000 80 1000 0000 80 1000 0000 80 1000 0000 80 0.5625 1001 0000 90 1000 0000 80 1000 0000 80 1000 0000 80 1001 0000 90 0.6250 1010 0000 A0 1000 0000 80 1000 0000 80 1010 0000 A0 1010 0000 A0 0.6875 1011 0000 B0 1000 0000 80 1000 0000 80 1010 0000 A0 1011 0000 B0 0.7500 1100 0000 C0 1000 0000 80 1100 0000 C0 1100 0000 C0 1100 0000 C0 0.8125 1101 0000 D0 1000 0000 80 1100 0000 C0 1100 0000 C0 1101 0000 D0 0.8750 1110 0000 E0 1000 0000 80 1100 0000 C0 1110 0000 E0 1110 0000 E0 0.9375 1111 0000 F0 1000 0000 80 1100 0000 C0 1110 0000 E0 1111 0000 F0 REGISTER INFORMATION The TMP411 contains multiple registers for holding configuration information, temperature measurement results, temperature comparator maximum/minimum, limits, and status information. These registers are described in Figure 12 and Table 3. POINTER REGISTER Figure 12 shows the internal register structure of the TMP411. The 8-bit Pointer Register is used to address a given data register. The Pointer Register identifies which of the data registers should respond to a read or write command on the Two-Wire bus. This register is set with every write command. A write command must be issued to set the proper value in the Pointer Register before executing a read command. Table 3 describes the pointer address of the registers available in the TMP411. The power-on reset (POR) value of the Pointer Register is 00h (0000 0000b). THERM Hysteresis Register Resolution Register Configuration Register Status Register Conversion Rate Register One−Shot Register Local Temperature Min/Max Identification Registers Remote Temperature Min/Max Consecutive Alert Register Local and Remote Limit Registers Local and Remote Temperature Registers SDA SCL Pointer Register I/O Control Interface Figure 12. Internal Register Structure |
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