MAX6683EVKIT Maxim Integrated Products, MAX6683EVKIT Datasheet - Page 10

• Manufacturer Part Number: MAX6683EVKIT
• Description: EVAL KIT FOR MAX6683
• Manufacturer: Maxim Integrated Products

Specifications of MAX6683EVKIT

• Sensor Type: Temperature
• Sensing Range: -40°C ~ 125°C
• Interface: I²C, SMBus
• Sensitivity: ±3°C
• Voltage - Supply: 2.7 V ~ 5.5 V
• Embedded: No
• Utilized Ic / Part: MAX6683
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Temperature Sensor and
System Monitor in a 10-Pin µMAX
Figure 1. Alert Response to Temperature Interrupts
Figure 2. SMBus Protocols
10
Write Byte Format
Read Byte Format
Send Byte Format
Read Word Format
S = Start condition
P = Stop condition
S
______________________________________________________________________________________
S
S
S
ADDRESS
ADDRESS
Slave Address: equiva-
lent to chip-select line of
a 3-wire interface
7 bits
ADDRESS
7 bits
7 bits
Slave Address: equiva-
lent to chip-select line of
a 3-wire interface
ADDRESS
7 bits
W/R
W/R
0
Shaded = Slave transmission
A = Not acknowledged
0
W/R
0
ACK
ACK
MONITORING CYCLE
ACK
W/R
COMMAND
Data Byte: writes data to the
register commanded by the
last Read Byte or Write Byte
transmission
TEMPERATURE
0
STATUS READ
COMMAND
8 bits
INTERRUPT
8 bits
Command Byte: selects
which register you are
reading from
COMMAND
ALERT
ALERT
ALERT
T
T
HYST
HOT
8 bits
ACK
ACK
ACK
Command Byte: selects which
register you are writing to
S
ACK
COMMAND
P
ADDRESS
8 bits
7 bits
S
Receive Byte Format
S
Slave Address: repeated
due to change in data-
flow direction
ADDRESS
W/R
1
7 bits
ADDRESS
ACK
ACK
7 bits
DATA_LOW_byte
Data Byte: data goes into the register
set by the co mma nd byte ( to se t
thresholds, configuration masks, and
sampling rate)
W/R
8 bits
1
DATA
W/R
8 bits
1
DEFAULT MODE
ONE-TIME
INTERRUPT MODE
COMPARATOR MODE
ACK
ACK
Data Byte: reads from
the register set by the
command byte
Data Byte: reads data from
the register commanded
by the last Read Byte or
Write Byte transmission;
also used for SMBus alert
Response return address
DATA
8 bits
DATA
8 bits
ACK
ACK
DATA_HIGH_byte
8 bits
A
A
P
P
P
A
P