ADM1027ARQZ-RL71 ONSEMI [ON Semiconductor], ADM1027ARQZ-RL71 Datasheet - Page 47

• Manufacturer Part Number: ADM1027ARQZ-RL71
• Manufacturer: ONSEMI [ON Semiconductor]

Register Address
0x5F
0x60
0x61
Bit
<2:0>
<3>
<7:4>
These registers become read-only when the Configuration Register 1 lock bit is set. Any further attempts to write to these registers
will have no effect.
REV. A
Name
FREQ
Reserved
RANGE
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
R/W
Read/Write
Read/Write
Table XVII. TEMP T
Description
Remote 1 T
Local Temperature T
Remote 2 T
These bits control the PWMx frequency.
000 = 11.0 Hz
001 = 14.7 Hz
010 = 22.1 Hz
011 = 29.4 Hz
100 = 35.3 Hz (default)
101 = 44.1 Hz
110 = 58.8 Hz
111 = 88.2 Hz
Reserved for future use.
These bits determine the PWM duty cycle versus temperature slope for automatic
fan control.
0000 = 2
0001 = 2.5
0010 = 3.33
0011 = 4
0100 = 5
0101 = 6.67
0110 = 8
0111 = 10
1000 = 13.33
1001 = 16
1010 = 20
1011 = 26.67
1100 = 32
1101 = 40
1110 = 53.33
1111 = 80
Description
Rev. 3 | Page 47 of 56 | www.onsemi.com
o
o
o
o
C
C
C
C
o
o
o
o
o
o
o
C
C
C
C (default)
C
C
C
RANGE
RANGE
o
o
C
C
o
o
o
C
C
C
RANGE
/PWM 1 Frequency
/PWM 3 Frequency
–47–
RANGE
/PWM Frequency Registers
/PWM 2 Frequency
Power-On Default
0xC4
0xC4
0xC4
ADM1027