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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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EMC2104 Fiches technique(PDF) 20 Page - SMSC Corporation |
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EMC2104 Fiches technique(HTML) 20 Page - SMSC Corporation |
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20 / 101 page  Dual RPM-Based PWM Fan Controller with Hardware Thermal Shutdown Datasheet Revision 1.74 (05-08-08) 20 SMSC EMC2104 DATASHEET The EMC2104 will respond to the ARA in the following way if the ALERT# pin is asserted. 1. Send Slave Address and verify that full slave address was sent (i.e. the SMBus communication from the device was not prematurely stopped due to a bus contention event). 2. Set the MASK bit to clear the ALERT# pin. 4.7 SMBus Address The EMC2104 SMBus Address is fixed at 0101_111xb. Attempting to communicate with the EMC2104 SMBus interface with an invalid slave address or invalid protocol will result in no response from the device and will not affect its register contents. 4.8 SMBus Time-out The EMC2104 includes an SMBus time-out feature. Following a 30ms period of inactivity on the SMBus, the device will time-out and reset the SMBus interface. |
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