ADM1026
is provided. THERM is only deasserted when the measured
temperature of all three sensors is 5 ? C below the limit.
Whenever the THERM output changes, INT is asserted,
as shown in Figure 53. However, this is edge-triggered, so
if INT is subsequently cleared by one of the methods
previously described, it is not reasserted, even if THERM
remains asserted. THERM causes INT to be reasserted only
when it changes state.
FROM ANALOG/TEMP
VALUE AND LIMIT
REGISTERS
HIGH LIMIT
1 = OUT
OF LIMIT
VALUE
LOW LIMIT
EXT1 TEMP
EXT 2 TEMP
3.3V STBY
3.3V MAIN
+5V
V CCP
+12V
–12V
MASK DATA FROM
SMBus (SAME BIT
NAMES AND ORDER
AS STATUS BITS)
A IN0
A IN1
A IN2
A IN3
A IN4
A IN5
A IN6
A IN7
MASK DATA FROM
SMBus (SAME BIT
NAMES AND ORDER
AS STATUS BITS)
INT TEMP
V BAT
A IN8
THERM
AFC
RESERVED
CI
GPIO16
MASK DATA FROM
SMBus (SAME BIT
NAMES AND ORDER
AS STATUS BITS)
0
1
2
3
4
5
6
7
MASK
REGISTER
1
0
1
2
3
4
5
6
7
MASK
REGISTER
2
0
1
2
3
4
5
6
7
MASK
REGISTER
4
MASK GATING
STATUS
BIT
MASK
BIT
MASK GATING
STATUS
BIT
MASK
BIT
MASK GATING
STATUS
BIT
MASK
BIT
CI
GPIO16
IN OUT
LATCH
RESET
VALUE
FROM FAN SPEED
VALUE AND
LIMIT REGISTERS
HIGH LIMIT
1 = OUT
OF LIMIT
FAN0
FAN1
FAN2
FAN3
FAN4
FAN5
FAN6
FAN7
MASK DATA FROM
SMBus (SAME BIT
NAMES AND ORDER
AS STATUS BITS)
0
1
2
3
4
5
6
7
MASK
REGISTER
3
MASK GATING
STATUS
BIT
MASK
BIT
IN OUT
LATCH
RESET
INT ENABLE
INT
GPIO0 TO GPIO7
MASKING DATA
FROM SMBus
STATUS REGISTER 5
MASK REGISTER 5
MASK GATING
STATUS
BIT
MASK
BIT
INT CLEAR
MASK GATING
GPIO8 TO GPIO15
MASKING DATA
FROM SMBus
STATUS REGISTER 6
MASK REGISTER 6
STATUS
BIT
MASK
BIT
Figure 52. Interrupt Structure
http://onsemi.com
28
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