W83781D Datasheet, PDF (22/53 Pages) Winbond – MONITORING IC

W83781D
PRELIMINARY
Index Pointer (A6-A0)
Registers
Bank A6-A0
Power On Value of
in Hex Registers: <7:0>in Binary
Notes
Configuration Register
0 40h
00001000
Interrupt Status Register 1
0 41h
00000000
Auto-increment to the
address of Interrupt Status
Register 2 after a read or
write to Port x6h.
Interrupt Status Register 2
0 42h
00000000
SMI# Mask Register 1
0 43h
00000000
Auto-increment to the
address of SMI# Mask
Register 2 after a read or
write to Port x6h.
SMI# Mask Register 2
0 44h
00000000
IRQ Mask Register 1
0 45h
00000000
Auto-increment to the
address of IRQ Mask
Register 2 after a read or
write to Port x6h
IRQ Mask Register 2
0 46h
00000000
VID/Fan Divisor Register
0 47h
<7:4> = 0101;
<3:0> = VID3-VID0
Serial Bus Address
Register
0 48h
<6:0> = 0101101; <7> = 0
Voltage ID
0 49h
<7:6> is Reserved
<5:4> is 01 binary
<0> is mapped to VID <4>
Temperature 2 and
Temperature 3 Serial Bus
Address Register
0 4Ah <7:0> = 0000,0001 binary
Pin Control Register
0 4Bh <7:0> 44h
RQ/OVT# Property Select 0 4Ch <7:0> ---0,0001
FAN IN/OUT and
BEEP/GPO# Control
Register
0 4Dh <7:0> 0001,0101
Register 50h ~ 5Fh Bank 0 4Eh
Select
<6:3> = Reserved, <7> =
1, <2:0> = 0
Winbond Vendor ID
0 4Fh <15:0> = 5CA3h
Resistor-Temperature
Table Register
0 50-51h
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Publication Release Date : Nov. 1997
Revision 0.60