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ADM1034ARQ-REEL7

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P38
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Table 61. LOOK-UP TABLE REGISTERS, LOCK = Y, S/W RESET = Y
Register Address R/W Description Power-On Default
0x22 R/W Look-up Table, T1 0xFF
0x23 R/W Look-up Table, T2 0xFF
0x24 R/W Look-up Table, T3 0xFF
0x25 R/W Look-up Table, T4 0xFF
0x26 R/W Look-up Table, T5 0xFF
0x27 R/W Look-up Table, T6 0xFF
0x28 R/W Look-up Table, T7 0xFF
0x29 R/W Look-up Table, T8 0xFF
0x2A R/W Look-up Table, FS1, LSB 0xFF
0x2B R/W Look-up Table, FS1, MSB 0xFF
0x2C R/W Look-up Table, FS2, LSB 0xFF
0x2D R/W Look-up Table, FS2, MSB 0xFF
0x2E R/W Look-up Table, FS3, LSB 0xFF
0x2F R/W Look-up Table, FS3, MSB 0xFF
0x30 R/W Look-up Table, FS4, LSB 0xFF
0x31 R/W Look-up Table, FS4, MSB 0xFF
0x32 R/W Look-up Table, FS5, LSB 0xFF
0x33 R/W Look-up Table, FS5, MSB 0xFF
0x34 R/W Look-up Table, FS6, LSB 0xFF
0x35 R/W Look-up Table, FS6, MSB 0xFF
0x36 R/W Look-up Table, FS7, LSB 0xFF
0x37 R/W Look-up Table, FS7, MSB 0xFF
0x38 R/W Look-up Table, FS8, LSB 0xFF
0x39 R/W Look-up Table, FS8, MSB 0xFF
Table 62. REGISTER 0X3A, LOOK-UP TABLE HYSTERESIS, POWER-ON DEFAULT 0X05, LOCK = Y, S/W RESET = Y
Bit Name R/W Description
<7:4> Reserved R Reserved
<3:0> Look-up Table Hysteresis R/W These bits determine the hysteresis applied to the temperature thresholds in the
look-up table. LSB size = 1C.
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Table 63. REGISTER 0X3C, FAN RESPONSE REGISTER, POWER-ON DEFAULT 0X11, LOCK = Y, S/W RESET = Y
Bit Name R/W Description
7 Res R Reserved
<6:4> Fan 2 Response R/W These bits set the fan’s response in the fan speed control mode.
000 = 1.25 updates/second
001 = 2.5 updates/second = Default
010 = 5 updates/second
011 = 10 updates/second
100 = 20 updates/second
101 = 40 updates/second
110 = 80 updates/second
111 = 160 updates/second
3 Res R Reserved
<2:0> Fan 1 Response R/W These bits set the fan’s response in the fan speed control mode.
000 = 1.25 updates/second
001 = 2.5 updates/second = Default
010 = 5 updates/second
011 = 10 updates/second
100 = 20 updates/second
101 = 40 updates/second
110 = 80 updates/second
111 = 160 updates/second
Table 64. REGISTER 0X3D, DEVICE ID, POWER-ON DEFAULT 0X34, LOCK = N, S/W RESET = N
Bit Name R/W Description
<7:0> Device ID R This read-only value contains the device ID, which is 0x34.
Table 65. REGISTER 0X3E, COMPANY ID, POWER-ON DEFAULT 0X41, LOCK = N, S/W RESET = N
Bit Name R/W Description
<7:0> Company ID R This read-only value contains the company ID, which is 0x41.
Table 66. REGISTER 0X3F, REVISION REGISTER, POWER-ON DEFAULT 0X02, LOCK = N, S/W RESET = N
Bit Name R/W Description
<7:0> Revision ID R This read-only value contains the revision ID.
Table 67. REGISTER 0X40/41, LOCAL TEMP REGISTERS, POWER-ON DEFAULT 0X00, LOCK = N, S/W RESET = Y
Bit Name R/W Description
<4:0> Local Temperature LSB R This register contains the LSBs of the last measured local temperature value.
Resolution = 0.03125C.
<12:5> Local Temperature MSB R This register contains the MSBs of the last measured local temperature value.
Resolution = 1C.
Table 68. REGISTER 0X42/43, REMOTE 1 TEMP REGISTERS, POWER-ON DEFAULT 0X00, LOCK = N, S/W RESET = Y
Bit Name R/W Description
<4:0> Remote 1 Temperature LSB R This register contains the LSBs of the last measured Remote 1 temperature
value. Resolution = 0.03125C.
<12:5> Remote 1 Temperature MSB R This register contains the LSBs of the last measured Remote 1 temperature
value. Resolution = 1C.
Table 69. REGISTER 0X44/45, REMOTE 2 TEMP REGISTERS, POWER-ON DEFAULT 0X00, LOCK = N, S/W RESET = Y
Bit Name R/W Description
<4:0> Remote 2 Temperature LSB R This register contains the LSBs of the last measured Remote 2 temperature
value. Resolution = 0.03125C.
<12:5> Remote 2 Temperature MSB R This register contains the MSBs of the last measured Remote 2 temperature
value. Resolution = 1C.
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Table 70. REGISTER 0X4A/4B, TACH1 PERIOD, POWER-ON DEFAULT 0XFF, LOCK = N, S/W RESET = Y
Bit Name R/W Description
<7:0> Fan 1 Period Count, LSB R This register contains the LSBs of the last measured Fan 1 revolution count.
<15:8> Fan 1 Period Count, MSB R This register contains the MSBs of the last measured Fan 1 revolution count.
Table 71. REGISTER 0X4C/4D, TACH2 PERIOD, POWER-ON DEFAULT 0XFF, LOCK = N, S/W RESET = Y
Bit Name R/W Description
<7:0> Fan 2 Period Count, LSB R This register contains the LSBs of the last measured Fan 2 revolution count.
<15:8> Fan 2 Period Count, MSB R This register contains the MSBs of the last measured Fan 2 revolution count.
Table 72. REGISTER 0X4E, THERM % ON-TIME, POWER-ON DEFAULT 0X00, LOCK = N, S/W RESET = Y
Bit Name R/W Description
<7:0> THERM % On-Time R Represents the % time of THERM activity within the time window set by the
configuration bits.
Table 73. REGISTER 0X4F, STATUS 1, POWER-ON DEFAULT 0X00, LOCK = N, S/W RESET = Y
Bit Name R/W Description
7 Local Temp High R A 1 indicates that the local high limit has been tripped.
6 Local Temp Low R A 1 indicates that the local low limit has been tripped.
5 Remote 1 Temp High R A 1 indicates that the Remote 1 high limit has been tripped.
4 Remote 1 Temp Low R A 1 indicates that the Remote 1 low limit has been tripped.
3 Remote 1 Diode Error R A 1 indicates that a short or an open has been detected on the Remote 1
temperature channel. This test is completed once on each conversion.
2 Remote 2 Temp High R A 1 indicates that the Remote 2 high limit has been tripped.
1 Remote 2 Temp Low R A 1 indicates that the Remote 2 low limit has been tripped.
0 Remote 2 Diode Error R A 1 indicates that a short or an open has been detected on the Remote 2
temperature channel. This test is completed once on each conversion.
Table 74. REGISTER 0X50, STATUS 2, POWER-ON DEFAULT 0X00, LOCK = N, S/W RESET = Y
Bit Name R/W Description
7 Local THERM R A 1 indicates that the local THERM limit has been tripped.
6 Remote 1 THERM R A 1 indicates that the Remote 1 THERM limit has been tripped.
5 Remote 2 THERM R A 1 indicates that the Remote 2 THERM limit has been tripped.
4 THERM % Exceeded R A 1 indicates that the THERM signal has been asserted for longer than the
programmed limit. Clear on Read. If THERM
% Limit = 0x00 and THERM is
asserted, it is reasserted immediately.
3 THERM Asserted R A 1 indicates that the THERM signal has been asserted low as an input only.
2 THERM_State R A 1 indicates that the THERM pin has been asserted low as an output.
1 Reserved R Reserved
0 Reserved R Reserved
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P38

ADM1034ARQ-REEL7

Mfr. #:
Buy ADM1034ARQ-REEL7
Manufacturer:
ON Semiconductor
Description:
IC THERM/FAN SPEED CTRLR 16-QSOP
Lifecycle:
New from this manufacturer.
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