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TMP112BIDRLR датащи(PDF) 13 Page - Guangdong Youtai Semiconductor Co., Ltd. |
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TMP112BIDRLR датащи(HTML) 13 Page - Guangdong Youtai Semiconductor Co., Ltd. |
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13 / 17 page ![]() Temperature Register The Temperature Register of the TMP112B device is configured as a 12-bit or 13-bit read-only register (setting the EM bit to 0 or 1) that stores the output of the most recent conversion. Two bytes must be read to obtain data and are listed in Table 8 and Table 9. Byte 1 is the most significant byte (MSB), followed by byte 2, the least significant byte (LSB). The T11~T0 bits (T12~T0 bits in extended mode) are used to indicate temperature. Byte 2 does not have to be read if that information is not needed. The D0 bit of byte 2 in the temperature register indicates whether the device is in normal mode (D0=0) or extended mode (D0=1) at this time, which can be used to distinguish the format of the two temperature register data. Table 8. Byte 1 of Temperature Register BYTE D7 D6 D5 D4 D3 D2 D1 D0 1 T11 T10 T9 T8 T7 T6 T5 T4 ( T12) ( T11) ( T10) ( T9) ( T8) ( T7) ( T6) ( T5) Table 9. Byte 2 of Temperature Register BYTE D7 D6 D5 D4 D3 D2 D1 D0 1 T3 T2 T1 T0 0 0 0 0 ( T4) ( T3) ( T2) ( T1) ( T0) ( 0) ( 0) ( 1) Temperature Limit Register The temperature limits are stored in the THIGH and TLOW registers in the same format as the temperature result, and can be configured as 12-bit or 13-bit according to the value of the EM bit. Table 10 and Table 11 list the format for the THIGH and TLOW registers, the configuration in extended mode is in brackets. The power-up reset values for THIGH and TLOW are: THIGH = +80℃;TLOW = +75℃ Table 10. Byte 1 and 2 of THIGH Register BYTE D7 D6 D5 D4 D3 D2 D1 D0 1 H11 H10 H9 H8 H7 H6 H5 H4 ( H12) ( H11) ( H10) ( H9) ( H8) ( H7) ( H6) ( H5) 2 H3 H2 H1 H0 0 0 0 0 ( H4) ( H3) ( H2) ( H1) ( H0) ( 0) ( 0) ( 0) Table 11. Byte 1 and 2 of TLOW Register BYTE D7 D6 D5 D4 D3 D2 D1 D0 1 L11 L10 L9 L8 L7 L6 L5 L4 ( L12) ( L11) ( L10) ( L9) ( L8) ( L7) ( L6) ( L5) 2 L3 L2 L1 L0 0 0 0 0 ( L4) ( L3) ( L2) ( L1) ( L0) ( 0) ( 0) ( 0) www.umw-ic.com 13 友台半导体有限公司 UMW R TMP112B |
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