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W83791G Datasheet, PDF (52/99 Pages) Winbond – Winbond H/W Monitoring IC
W83791D/G
7.38 Bank Select ⎯ Index 4Eh (Bank 0)
Power on default [7:0] 1000_0000b; Reset by MR.
BIT NAME ATTRIBUTE
DESCRIPTION
7
HBACS
R/W
High byte access. Set to 1, access Register 4Fh high byte
register. Set to 0, access Register 4Fh low byte register.
Default 1.
6:3 Reserved
Reserved
2:0 BANKSEL R/W
Set the three bit to <001> means select to Bank1.
7.39 Winbond Vendor ID ⎯ Index 4Fh (Bank 0)
Power on default: A3h
BIT
NAME ATTRIBUTE
DESCRIPTION
7:0 Vendor ID Read Only Vendor ID low byte if CR4E.bit7=0. Default A3h. Vendor ID
high byte if CR4E.bit7=1. Default 5Ch.
7.40 Winbond Test Register ⎯ Index 50h - 55h (Bank 0)
These Registers is reserved for Winbond test only. Users do not use these registers.
7.41 BEEP Control Register 1 ⎯ Index 56h (Bank 0)
Power on default: 00h
BIT
NAME
7 EN_FAN2_BP
6 EN_FAN1_BP
5 EN_T2_BP
4 EN_T1_BP
3 EN_V5_BP
2 EN_V33_BP
1 EN_T3_BP
0 EN_V25A_BP
ATTRIBUTE
DESCRIPTION
R/W
Enable BEEP output from FAN 2 if the monitor value exceeds
the limit value. Write 1, enable BEEP output. Default 0.
R/W
Enable BEEP output from FAN 1 if the monitor value exceeds
the limit value. Write 1, enable BEEP output. Default 0.
R/W
Enable BEEP output from Temperature Sensor 2 if the monitor
value exceeds the limit value. Write 1, enable BEEP output.
Default 0.
R/W
Enable BEEP output from Temperature Sensor 1 if the monitor
value exceeds the limit value. Write 1, enable BEEP output.
Default 0.
R/W
Enable BEEP output from VDD (5V) if the monitor value
exceeds the limit value. Write 1, enable BEEP output. Default
0.
R/W
Enable BEEP output from 3.3V if the monitor value exceeds
the limit value. Write 1, enable BEEP output. Default 0.
R/W
Enable BEEP output from Temperature Sensor 3 if the monitor
value exceeds the limit value. Write 1, enable BEEP output.
Default 0.
R/W
Enable BEEP output from Vcore if the monitor value exceeds
the limit value. Write 1, enable BEEP output. Default 0.
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Publication Release Date: April 14, 2006
Revision 1.1