W83627EHG Nuvoton Technology Corporation of America, W83627EHG Datasheet - Page 69

• Manufacturer Part Number: W83627EHG
• Description: IC I/O CONTROLLER 128-QFP
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83627EHG

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

7.8
Temperature exceeding T
T
(2) Interrupt Mode:
Temperature exceeding T
temperature sensor registers. Temperature exceeding T
going below T
temperature sensor registers. Once the OVT# is activated by exceeding T
temperature remains above T
The 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.
(1) Comparator Mode:
HYST
OVT# interrupt mode
. (Figure 7.19)
(Comparator Mode; default)
HYST
(Interrupt Mode)
will also cause the OVT# activated indefinitely until reset by reading
T
HYST
OVT#
OVT#
To
O
O
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
HYST
, the OVT# will not be activated again.(Figure 7.19)
Figure 7.19
W83627EHF/EF, W83627EHG/EG
*
- 58 -
O
, then OVT# reset, and then temperature
*
*
O
, then reset, if the