參數(shù)資料
型號(hào): MAX6681MEE
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 溫度/濕度傳感器
英文描述: QUADRUPLE 2-INPUT POSITIVE-OR GATES 20-LCCC -55 to 125
中文描述: DIGITAL TEMP SENSOR-SERIAL
封裝: 0.150 INCH, 0.025 INCH PITCH, QSOP-16
文件頁(yè)數(shù): 11/17頁(yè)
文件大?。?/td> 194K
代理商: MAX6681MEE
ture returns within the limits. An open diode also sets
this output.
Alert Response Address
The SMBus Alert Response interrupt pointer provides
quick fault identification for simple slave devices that
lack the complex, expensive logic needed to be a bus
master. Upon receiving an ALERT interrupt signal, the
host master can broadcast a Receive Byte transmission
to the Alert Response slave address (see the
Slave
Addresses
section). Then, any slave device that gener-
ated an interrupt, attempts to identify itself by putting its
own address on the bus (Table 4).
The Alert Response can activate several different slave
devices simultaneously, similar to the I
2
C General Call.
If more than one slave attempts to respond, bus arbitra-
tion rules apply, and the device with the lower address
code wins. The losing device does not generate an
acknowledge and continues to hold the
ALERT
line low
until cleared. (The conditions for clearing an alert vary
M
±1°C Fail-Safe Remote/Local Temperature
Sensors with SMBus Interface
______________________________________________________________________________________
11
SMBCLK
A
B
C
D
E
F
G
H
I
J
K
SMBDATA
t
SU:STA
t
HD:STA
t
LOW
t
HIGH
t
SU:DAT
t
HD:DAT
t
SU:STO
t
BUF
A = START CONDITION
B = MSB OF ADDRESS CLOCKED INTO SLAVE
C = LSB OF ADDRESS CLOCKED INTO SLAVE
D = R/W BIT CLOCKED INTO SLAVE
E = SLAVE PULLS SMBDATA LINE LOW
L
M
F = ACKNOWLEDGE BIT CLOCKED INTO MASTER
G = MSB OF DATA CLOCKED INTO SLAVE
H = LSB OF DATA CLOCKED INTO SLAVE
I = MASTER PULLS DATA LINE LOW
J = ACKNOWLEDGE CLOCKED INTO SLAVE
K = ACKNOWLEDGE CLOCK PULSE
L = STOP CONDITION
M = NEW START CONDITION
Figure 4. SMBus Write Timing Diagram
SMBCLK
A
B
C
D
E
F
G
H
I
J
K
SMBDATA
t
SU:STA
t
HD:STA
t
LOW
t
HIGH
t
SU:DAT
t
HD:DAT
t
SU:STO
t
BUF
L
M
A = START CONDITION
B = MSB OF ADDRESS CLOCKED INTO SLAVE
C = LSB OF ADDRESS CLOCKED INTO SLAVE
D = R/W BIT CLOCKED INTO SLAVE
E = SLAVE PULLS SMBDATA LINE LOW
F = ACKNOWLEDGE BIT CLOCKED INTO MASTER
G = MSB OF DATA CLOCKED INTO MASTER
H = LSB OF DATA CLOCKED INTO MASTER
I = MASTER PULLS DATA LINE LOW
J = ACKNOWLEDGE CLOCKED INTO SLAVE
K = ACKNOWLEDGE CLOCK PULSE
L = STOP CONDITION
M = NEW START CONDITION
Figure 5. SMBus Read Timing Diagram
相關(guān)PDF資料
PDF描述
MAX6680 Fail-Safe Remote/Local Temperature Sensors with SMBus Interface
MAX6684 QUADRUPLE 2-INPUT POSITIVE-OR GATES 14-CDIP -55 to 125
MAX6684ESA QUADRUPLE 2-INPUT POSITIVE-OR GATES 14-CFP -55 to 125
MAX6690 2∑C Accurate Remote/Local Temperature Sensor with SMBus Serial Interface
MAX6690MEE QUADRUPLE 2-INPUT POSITIVE-OR GATES 14-CFP -55 to 125
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