W83697HG Nuvoton Technology Corporation of America, W83697HG Datasheet - Page 34

• Manufacturer Part Number: W83697HG
• Description: IC LPC SUPER I/O 128-PQFP
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83697HG

• Applications: PC's, PDA's
• Interface: LPC
• Voltage - Supply: 3.3V, 5V
• Package / Case: 128-XFQFN
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

6.6 OVT# interrupt mode
The OVT# signal is only related with temperature sensor 2 (VTIN2 ).
6.6.1
modes
(1) Comparator Mode :
(2) Interrupt Mode:
Setting Bank1/2 CR[52h] bit 2 to 0 will set OVT# signal to comparator mode. Temperature
exceeding T
9.12)
Setting Bank1/2 CR[52h] bit 2 to 1 will set OVT# signal to interrupt mode. Setting Temperature
exceeding T
sensor 2 or sensor 3 registers. Temperature exceeding T
temperature going below T
reading temperature sensor2 or sensor 3 registers. Once the OVT# is activated by exceeding
T
again.( Figure 9.12)
O
The W83697HF temperature sensor 2 Over-Temperature (OVT#) has the following
, then reset, if the temperature remains above T
(Comparator Mode; default)
O
O
causes the OVT# output activated until the temperature is less than T
causes the OVT# output activated indefinitely until reset by reading temperature
(Interrupt Mode)
OVT#
OVT#
T
HYST
To
HYST
*Interrupt Reset when Temperature 2/3 is read
will also cause the OVT# activated indefinitely until reset by
*
- 31 -
HYST
*
Publication Release Date: May 30, 2005
, the OVT# will not be activated
O
, then OVT# reset, and then
*
W83697HF/ HG
*
HYST
Revision A1
. ( Figure