W83L786NR Datasheet, PDF (35/50 Pages) Winbond – H/W Monitoring IC

W83L786NR/ W83L786NG
8.23 FAN Configuration Register - Index 80h
Power on default [7:0] = 0011, 1100 b
BIT
NAME
READ/WRITE
DESCRIPTION
7 EN_PWM2
Read/Write
FAN2 Control Mode
<1> - PWM FAN Control Mode
<0> - DC FAN Control Mode
6 EN_PWM1
Read/Write
FAN1 Control Mode
<1> - PWM FAN Control Mode
<0> - DC FAN Control Mode
5-4 FAN2_MODE
Read/Write
FAN2 Control Mode.
<00> - Manual Control Mode. (Default)
<01> - Thermal Cruise mode.
<10> - SMART FAN^TM II Mode.
<11> - FAN_SET.
3-2 FAN1_MODE
Read/Write
FAN 1 Control Mode.
<00> - Manual Control Mode. (Default)
<01> - Thermal Cruise mode.
<10> - SMART FAN^TM II Mode.
<11> - FAN_SET.
1-0 Reserved
Read/Write Reserved.
8.24 DC FAN1 Output Voltage Level Control Register (Manual Mode) / FAN1
Output Voltage Table (SMART FAN^TM II Mode) – Index 81h
Power on default [7:0] 1111, 1111 b
For Manual Mode
BIT
NAME
READ/WRITE
DESCRIPTION
7-4 Reserved
Read/Write Reserved.
3-0
FAN1_DC
[3:0]
Read/Write
DC FAN1 Output Level. Only for Thermal Manual Mode
while CR80h bit3-2 is 00. This 3-bit register determines
the DC FAN driving voltage.
<0x0h> - DC output is 0V.
<0xFh> - DC output is 3.3V.
<0xXh> - DC output levels are from 0V to 3.3v and they
are separated into 16 levels equally.
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