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EMC1413 bảng dữ liệu(PDF) 33 Page - SMSC Corporation |
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EMC1413 bảng dữ liệu(HTML) 33 Page - SMSC Corporation |
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33 / 52 page ![]() Multiple Channel 1°C Temperature Sensors with Beta Compensation Datasheet SMSC EMC1413 / EMC1414 33 Revision 1.41 (02-23-12) DATASHEET The device contains both high and low limits for all temperature channels. If the measured temperature exceeds the high limit, then the corresponding status bit is set and the ALERT pin is asserted. Likewise, if the measured temperature is less than or equal to the low limit, the corresponding status bit is set and the ALERT pin is asserted. The data format for the limits must match the selected data format for the temperature so that if the extended temperature range is used, the limits must be programmed in the extended data format. The limit registers with multiple addresses are fully accessible at either address. When the device is in Standby mode, updating the limit registers will have no effect until the next conversion cycle occurs. This can be initiated via a write to the One Shot Register or by clearing the RUN / STOP bit in the Configuration Register (see Section 7.4). 15h R/W External Diode 2 High Limit High Byte 128 6432 16 8 42 1 55h (85°C) 16h R/W External Diode 2 Low Limit High Byte 128 6432 16 8 42 1 00h (0°C) 17h R/W External Diode 2 High Limit Low Byte 0.5 0.25 0.125 - - - - - 00h 18h R/W External Diode 2 Low Limit Low Byte 0.5 0.25 0.125 - - - - - 00h 2Ch R/W External Diode 3 High Limit High Byte 128 6432 16 8 42 1 55h (85°C) 2Dh R/W External Diode 3 Low Limit High Byte 128 6432 16 8 42 1 00h (0°C) 2Eh R/W External Diode 3 High Limit Low Byte 0.5 0.25 0.125 - - - - - 00h 2Fh R/W External Diode 3 Low Limit Low Byte 0.5 0.25 0.125 - - - - - 00h Table 7.7 Temperature Limit Registers (continued) ADDR. R/W REGISTER B7 B6 B5 B4 B3 B2 B1 B0 DEFAULT |
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