W83783S Information Storage Devices, Inc, W83783S Datasheet - Page 36

• Manufacturer Part Number: W83783S
• Description: H/w Monitor: 3 Temp.(thermal Diode), 6 Vol., 2 PWM Fan Control
• Manufacturer: Information Storage Devices, Inc

Bit 3-2: Clock Input Select.
Bit 1-0: Reserved.
7.13 IRQ#/OVT# Property Select - Index 4Ch
Register Location:
Power on Default Value
Attribute:
Size:
Bit 7: Set to 1 , select pin 9 SMI#/PWMOUT2 as PWM output. Set to 0, select pin 9 as SMI# output.
Bit6: Set to 1, the SMI# output type of temperature sensor 1 is set to Comparator Interrupt mode. Set
Bit 5: Set to 1, the SMI# output type of temperature sensor 1 is set to One-Time interrupt mode. Set
Bit 4 : Reserved. User Defined.
Bit 3: Disable temperature sensor 1 over-temperature (OVT) output if set to 1. Default 0, enable
Bit 2: Over-temperature polarity. Write 1, OVT# active high. Write 0, OVT# active low. Default 0.
Bit 1-0: Reserved. User Defined.
to 0, the SMI# output type is set to Interrupt mode (defined by CR[4Ch] Bit 5 ).
to 0, the SMI# output type of temperature sensor 1 is set to Two-Times interrupt mode.
OVT1 output through pin OVT#.
<3:2> = 00 - Pin 3 (CLKIN) select 14.318M Hz clock.
<3:2> = 01 - Default. Pin 3 (CLKIN) select 24M Hz clock.
<3:2> = 10 - Pin 3 (CLKIN) select 48M Hz clock .
<3:2> = 11 - Reserved. Pin3 no clock input.
User defined.
7
6
4Ch
<7:0> --0000,0001. Reset by MR.
Read/Write
8 bits
5
4
3
2
- 31 -
1
0
Reserved
Reserved
OVTPOL
DIS_OVT
Reserved
EN_ONE_INTMODE
T1_INTMode
PWM2SEL
Publication Release Date: April 1999
W83783S
Preliminary
Revision 0.55