參數(shù)資料
型號(hào)： MAX6699
廠商： Maxim Integrated Products, Inc.
英文描述： 5-Channel Precision Temperature Monitor
中文描述： 5通道、高精度溫度監(jiān)測(cè)器
文件頁(yè)數(shù)： 9/19頁(yè)
文件大?。?/td> 321K
代理商： MAX6699
Alarm Threshold Registers
There are 9 alarm threshold registers that store over-
temperature
ALERT
and
OVERT
threshold values.
Seven of these registers are dedicated to store one
local alert temperature threshold limit and six remote
alert temperature threshold limits (see the
ALERT
Interrupt Mode
section). The remaining two registers
are dedicated to remote channels 1 and 4 to store
overtemperature threshold limits (see the
OVERT
Overtemperature Alarm
section). Access to these regis-
ters is provided through the SMBus interface.
ALERT
Interrupt Mode
An
ALERT
interrupt occurs when the internal or external
temperature reading exceeds a high-temperature limit
(user programmable). The
ALERT
output clears if the
temperature goes below the high-temperature limit
threshold. The
ALERT
interrupt output signal can also
be cleared by reading the status register(s) associated
with the fault(s) or by successfully responding to an
alert response address transmission by the master. In
both cases, the alert is cleared, but is reasserted at the
end of the next conversion if the fault condition still
exists. The interrupt does not halt automatic conversions.
The
ALERT
output is open drain so that multiple devices
can share a common interrupt line. All
ALERT
interrupts
can be masked using the configuration 3 register. The
POR state of these registers is shown in Table 3.
M
5-Channel Precision Temperature Monitor
_______________________________________________________________________________________
9
SMBCLK
A = START CONDITION
B = MSB OF ADDRESS CLOCKED INTO SLAVE
C = LSB OF ADDRESS CLOCKED INTO SLAVE
D = R/W BIT CLOCKED INTO SLAVE
A
B
C
D
E
F
G
H
I
J
SMBDATA
t
SU:STA
t
HD:STA
t
LOW
t
HIGH
t
SU:DAT
t
SU:STO
t
BUF
L
M
K
E = SLAVE PULLS SMBDATA LINE LOW
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 3. 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
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 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 4. SMBus Read Timing Diagram
相關(guān)PDF資料
PDF描述
MAX6699EE 5-Channel Precision Temperature Monitor
MAX6699UE 5-Channel Precision Temperature Monitor
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MAX6701A-05A Low-Voltage, SOT23 レP Supervisors with Power- Fail In/Out, Manual Reset, and Watchdog Timer
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