Rainbow Electronics MAX1617A User Manual
Page 7

MAX1617A
Remote/Local Temperature Sensor
with SMBus Serial Interface
_______________________________________________________________________________________
7
Figure 1. Functional Diagram
REMOTE
MUX
LOCAL
REMOTE TEMPERATURE
DATA REGISTER
HIGH-TEMPERATURE THRESHOLD
(REMOTE T
HIGH
)
LOW-TEMPERATURE THRESHOLD
(REMOTE T
LOW
)
DIGITAL COMPARATOR
(REMOTE)
LOCAL TEMPERATURE
DATA REGISTER
HIGH-TEMPERATURE THRESHOLD
(LOCAL T
HIGH)
LOW-TEMPERATURE THRESHOLD
(LOCAL T
LOW
)
DIGITAL COMPARATOR
(LOCAL)
COMMAND BYTE
(INDEX) REGISTER
SMBDATA
SMBCLK
ADDRESS
DECODER
READ
WRITE
CONTROL
LOGIC
SMBUS
ADD1
ADD0
STBY
STATUS BYTE REGISTER
CONFIGURATION
BYTE REGISTER
CONVERSION RATE
REGISTER
ALERT RESPONSE
ADDRESS REGISTER
SELECTED VIA
SLAVE ADD = 0001 100
ADC
+
DIODE
FAULT
DXP
DXN
GND
V
CC
-
+
-
+
-
8
8
8
8
8
8
88
2
7
ALERT
QS
R
MAX1617A
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