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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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EMC1001 датащи(PDF) 11 Page - Microchip Technology |
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EMC1001 датащи(HTML) 11 Page - Microchip Technology |
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11 / 24 page  2015 Microchip Technology Inc. DS20005411A-page 11 EMC1001 4.4 ADDR/THERM Output The ADDR/THERM output asserts if the temperature measurement exceeds the programmable THERM limit. It can be used to drive a fan or other failsafe devices. The ADDR/THERM pin is open drain and requires a pull-up resistor to VDD. The value of this pull-up resistor determines the slave address per Table 1-1. The ADDR/THERM pin cannot be masked. When the ADDR/THERM pin is asserted, it will not de-assert until the temperature drops below the THERM limit, minus the THERM Hysteresis value. FIGURE 4-4: THERM Response to THERM Limit Exceeded. 4.5 Standby Mode The EMC1001 can be set to Standby mode (low power) by setting a bit in the Configuration Register as described in Section 4.8 “Configuration Register”. This shuts down all internal analog functions while the SMBus remains enabled. When the EMC1001 is in Standby mode, a One-Shot command measurement can be initiated. The user may also write new values to the limit registers described in Section 4.10 “Limit Registers” while in Standby. If the previously stored temperature is outside any of the new limits, the ALERT/THERM2 output will respond as described in Section 4.3 “ALERT/THERM2 Output” and the ADDR/THERM output will respond as described in Section 4.4 “ADDR/THERM Output”. Temp Time THERM Limit THERM Limit - THERM Hysterisis THERM THERM Hysteresis Logic High Logic Level |
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