w83627ef Winbond Electronics Corp America, w83627ef Datasheet - Page 47

• Manufacturer Part Number: w83627ef
• Description: Lpc Super I/o For Desktop & Server
• Manufacturer: Winbond Electronics Corp America

6.7
(1) Comparator Mode :
(2) Interrupt Mode:
Temperature exceeding T
T
Temperature exceeding T
temperature sensor registers. Temperature exceeding T
temperature going below T
reading temperature sensor registers. Once the OVT# is activated by exceeding T
the temperature remains above T
The HM_SMI#/OVT# pin (pin 5) is a multi-function pin. The function is selected at Configuration
Register CR[29h] bit 6. The OVT# mode selection bits are at Bank0 Index18h bit4, Bank1 Index
52h bit1 and Bank2 Index 52h bit1.
HYST
OVT# interrupt mode
. ( Figure 6.19)
(Comparator Mode; default)
(Interrupt Mode)
T
HYST
OVT#
OVT#
O
O
To
HYST
causes the OVT# output activated until the temperature is less than
causes the OVT# output activated indefinitely until reset by reading
*Interrupt Reset when Temperature sensor registers are read
will also cause the OVT# activated indefinitely until reset by
HYST
W83627EHF/EF, W83627EHG/EG
, the OVT# will not be activated again.( Figure 6.19)
Figure 6.19
*
- 41 -
O
*
, then OVT# reset, and then
Publication Release Date: Nov. 2006
*
O
, then reset, if
Revision 1.3