w83627ehf Winbond Electronics Corp America, w83627ehf Datasheet - Page 46

• Manufacturer Part Number: w83627ehf
• Description: W83627ehf/ef W83627ehg/eg Winbond Lpc I/o
• Manufacturer: Winbond Electronics Corp America

6.6.3
6.6.3.1. Temperature sensor 1(SYSTIN) SMI# interrupt has 3 modes
(1) Comparator Interrupt Mode
(2) Two-Times Interrupt Mode
(3) One-Time Interrupt Mode
127'C
T
SMI#
HYST
T
Setting the T
following are two kinds of interrupt modes, which are selected by Bank0 Index 4Ch bit5 :
OI
Setting the T
the Comparator Interrupt Mode. Temperature exceeds T
interrupt and this interrupt will be reset by reading all the Interrupt Status Register. Once an
interrupt event has occurred by exceeding T
T
has occurred by exceeding T
will continue to occur in this manner until the temperature goes below T
Temperature exceeding T
cause an interrupt if the previous interrupt has been reset by reading all the interrupt Status
Register. Once an interrupt event has occurred by exceeding T
remains above the T
Temperature exceeding T
cause an interrupt. Once an interrupt event has occurred by exceeding T
T
O
HYST,
Temperature SMI# mode
, the interrupt will occur again when the next conversion has completed. If an interrupt event
an interrupt will not occur again until the temperature exceeding T
HYST
HYST
Figure 6.14
*
*Interrupt Reset when Interrupt Status Registers are read
(Temperature Hysteresis) limit to 127°C will set temperature sensor 1 SMI# to
lower than T
*
HYST
, the interrupt will not occur. (Figure 6.15 )
*
O
O
causes an interrupt and then temperature going below T
causes an interrupt and then temperature going below T
O
O
and not reset, the interrupts will not occur again. The interrupts
will set temperature sensor 1 SMI# to the Interrupt Mode. The
W83627EHF/EF, W83627EHG/EG
*
-40-
O
, then reset, if the temperature remains above the
T
HYST
SMI#
T
OI
O
(Over Temperature) Limit causes an
O
, then reset, if the temperature
*
Figure 6.15
O
O
. (Figure 6.14 )
. (Figure 6.16 )
O
, then going below
*
HYST
HYST
will also
will not
*