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EMC1187 датащи(PDF) 16 Page - Microchip Technology

номер детали EMC1187
подробное описание детали  Triple Channel 1째C Temperature Sensor with Hardware
PDF  47 Pages
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производитель  MICROCHIP [Microchip Technology]
домашняя страница  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

EMC1187 датащи(HTML) 16 Page - Microchip Technology

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Triple Channel 1°C Temperature Sensor with Hardware Thermal Shutdown and 1.8V SMBus Communications
Datasheet
Revision 1.0 (07-11-13)
16
SMSC EMC1187
DATASHEET
4.3
Alert Response Address
The ALERT output can be used as a processor interrupt or as an SMBus Alert.
When it detects that the ALERT pin is asserted, the host will send the Alert Response Address (ARA)
to the general address of 0001_100xb. All devices with active interrupts will respond with their client
address as shown in Table 4.6.
The EMC1187 will respond to the ARA in the following way:
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_ALL bit to clear the ALERT pin.
APPLICATION NOTE: The ARA does not clear the Status Register and if the MASK_ALL bit is cleared prior to the
Status Register being cleared, the ALERT pin will be reasserted.
Table 4.6 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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