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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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EMC2113 датащи(PDF) 21 Page - SMSC Corporation |
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EMC2113 датащи(HTML) 21 Page - SMSC Corporation |
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21 / 85 page  RPM-Based Fan Controller with Multiple Temperature Zones & Hardware Thermal Shutdown Datasheet SMSC EMC2113 21 Revision 1.2 (10-08-09) DATASHEET 5.2.7 Alert Response Address The ALERT output can be used as a processor interrupt or as an SMBus Alert when configured to operate as an interrupt. When it detects that the ALERT pin is asserted, the host will send the Alert Response Address (ARA) to the general address of 0001_100b. All devices with active interrupts will respond with their slave address as shown in Table 5.9. The EMC2113 slave interface 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. Table 5.9 Alert Response Address Protocol START ALERT RESPONSE ADDRESS RD ACK DEVICE ADDRESS NACK STOP 1 -> 0 0001_100 1 0 YYYY_YYY 1 0 -> 1 |
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