W83791G Datasheet, PDF (55/99 Pages) Winbond – Winbond H/W Monitoring IC

W83791D/G
FAN 4/5 Divisor Control ⎯ Index 5Ch (Bank 0) , continued
BIT
NAME
ATTRIBUTE
DESCRIPTION
2:0 FAN_DIV4
R/W
FAN4 Speed Divisor.
<2:0> = 000 - divide by 1(Default);
<2:0> = 001 - divide by 2;
<2:0> = 010 - divide by 4;
<2:0> = 011 - divide by 8.
<2:0> = 100 - divide by 16.
<2:0> = 101 - divide by 32.
<2:0> = 110 - divide by 64
<2:0> = 111 - divide by 128.
7.48 VBAT Monitor Control Register ⎯ Index 5Dh (Bank 0)
Power on default: 00h; Reset by MR.
BIT
NAME
ATTRIBUTE
DESCRIPTION
7 FAN DIV3_B2
R/W
FAN 3 divisor Bit 2. The bit 1-0 is defined in the Index 4Bh.
6 FANDIV2_B2
R/W
FAN 2 divisor Bit 2. The bit 1-0 is defined in the Index 47h.
5 FANDIV1_B2
R/W
FAN 1 divisor Bit 2. The bit 1-0 is defined in the Index 47h.
4 EN_ALARM_R
SP
3 BJTS3
2 BJTS2
R/W
R/W
R/W
Enable Alarm Response if set to 1.
Temperature Sensor 3 type selection. Set to 1, select
bipolar sensor. Set to 0, select thermistor sensor.
Temperature Sensor 2 type selection.Set to 1, select bipolar
sensor. Set to 0, select thermistor sensor.
1 BJTS1
R/W
Temperature sensor 1 type selection. Set to 1, select bipolar
sensor. Set to 0, select thermistor sensor.
0 EN_VBAT_MNT
R/W
Write 1, enable battery voltage monitor. Write 0, disable
battery voltage monitor. If enable this bit, the monitor value is
value after one monitor cycle. Note that the monitor cycle
time is at least 300 ms for W83791D/G.
7.49 ACPI Temperature Increment Register ⎯ Index 5Eh
Power on default: 05h; Reset by MR.
BIT
NAME
ATTRIBUTE
DESCRIPTION
7 Reserved
Reserved.
6-0 DIFFREG[6:0] R/W
ACPI Temperature Increment Register. If set to this
register to non-zero value, the OVT# signal will be activated
at pointer of the temperature of times of DIFFREG (i.e.
DIFFREG*n, where n is non-zero integer). The default value
is 5 degree C.
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Publication Release Date: April 14, 2006
Revision 1.1