W83627HF-AW Nuvoton Technology Corporation of America, W83627HF-AW Datasheet - Page 44

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W83627HF-AW

Manufacturer Part Number
W83627HF-AW
Description
LPC INTERFACE HARDWARE MONITOR
Manufacturer
Nuvoton Technology Corporation of America
Datasheet

Specifications of W83627HF-AW

Applications
PC's, PDA's
Interface
LPC
Voltage - Supply
3.3V, 5V
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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7.5.4
The W83627HF temperature sensor 2 and sensor 3 SMI# interrupt has two modes and it is pro-
grammed at CR[4Ch] bit 6.
(1)Comparator Interrupt Mode
(2)Two-Times Interrupt Mode
Temperature exceeding TO causes an interrupt and this interrupt will be reset by reading all the
Interrupt Status Register. Once an interrupt event has occurred by exceeding TO, then reset, if
the temperature remains above the THYST, the interrupt will occur again when the next conver-
sion has completed. If an interrupt event has occurred by exceeding TO and not reset, the inter-
rupts will not occur again. The interrupts will continue to occur in this manner until the tempera-
ture goes below THYST. ( See Figure 8.10 )
Temperature exceeding TO causes an interrupt and then temperature going below THYST will
also 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 TO, then reset, if the temperature
remains above the THYST, the interrupt will not occur. (See Figure 8.11 )
Temperature 2, 3 SMI# modes:
Figure. 8.10 Temperature 2, 3 SMI# Comparator Interrupt Mode
Figure. 8.11 Temperature 2, 3 SMI# Two-Times Interrupt Mode
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W83627HF/ F/ HG/ G

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