W83781D Datasheet, PDF (35/53 Pages) Winbond – MONITORING IC

Bit 3-2: Clock Input Select.
<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.
Bit 1-0: Reserved. User defined.
W83781D
PRELIMINARY
8.16 IRQ/OVT# Property Select Index 4Ch (Bank 0)
Register Location:
Power on Default Value
Attribute:
Size:
4Ch
<7:0> ---0,0001. Reset by MR.
Read/Write
8 bits
7 6 5 4 32 1 0
Reserved
IRQEDGE
OVTPOL
DIS_OVT1
DIS_OVT2
Reserved
Reserved
Reserved
Bit 7-5: Reserved. User Defined.
Bit 4: Disable temperature sensor 3 over-temperature (OVT) output if set to 1. Default 0, enable
OVT2
output through pin OVT#.
Bit 3: Disable temperature sensor 2 over-temperature (OVT) output if set to 1. Default 0, enable
OVT1
output through pin OVT#.
Bit 2: Over-temperature polarity. Write 1, OVT# active high. Write 0, OVT# active low. Default 0.
Bit 1: When set to 1, IRQ Edge Active. Set to 0, IRQ Level trigger. Default 0, level trigger interrupt.
Bit 0: Reserved. User Defined.
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Publication Release Date : Nov. 1997
Revision 0.60