ADT7460 Analog Devices, Inc., ADT7460 Datasheet - Page 37

• Manufacturer Part Number: ADT7460
• Description: Dbcool? Remote Thermal Controller And Fan Controller
• Manufacturer: Analog Devices, Inc.

Table 47. Register 0x36—Dynamic T
Bit
<0>
<1>
<2>
<3>
<4>
<5>
<6>
<7>
This regist r become read-only when
ef
fect.
Na
CY
Reserved
PH
PHTL
PHTR2
R1T
LT
R2T
R2
me
TR1
e
R/
Re
Read-Only
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
s
W
ad/Write
Desc
M
(Reg.
cont
that need to be found to optimize the response of fans and the control loop.
Rese
PHTR
asserted. The operatin
syste
PHTR1 = 0 ignores any
its programmed value.
PHTL
asserted. The operating point co
syste
PHTL = 0 ignores any
r
PHTR2 = 1 copies the Remote 2 current temperature to the Remote 2 operating point register if THERM is
asser
system to run as quietly as pos
PHTR2 = 0 ignores any
its programmed value.
R1T = 1 enables dynam
dynamically adjusted based on the current tempe
zone
R1T =
desc
LT = 1 enables dynam
dynamically adjusted based on the current tempe
zone
LT 0 disables dynamic T
desc
R2T =
dyna
zone
R2T =
desc
eflec
SB
=
rol loop, in terms of number of monitoring cycles. The system has associated thermal time constants
rved fo
ribed
ribed in the Automatic Fan Control section.
ribed
of 3-Bit Remote 2 Cycle Value. The other two bits of the code reside in Dynamic T
.
.
mically adjusted based on the current temperature, operating point, and high and low limits for this
.
ription
m to
m to
ted. The operating point contains the temperature at which
1 = 1
0x37). These three bits define the delay time between making subsequent T
ts its programmed value.
MIN
= 1 c
the C
0 disables
1 enables dynamic T
0 disables
Control Register 1 (Power-On Default = 0x00)
run as quiet
run as quiet
opies the lo
in the Auto
in the Auto
copies the
onfigurati
r future us
dyna
dyna
THERM assertions on the THERM pin. The local temperature operating point register
mic T
matic Fan Control
mic T
matic Fan Contro
Remote 1 curren
on Register 1 l
e.
ic T
ly as possible w
cal channel’s curre
ly as possible with
g point contai
THERM assertions on the THERM pin. The Remote 1 operating point register reflects
THERM assertions on the THERM pin. The Remote 2 operating point register reflects
ic T
MIN
MIN
MIN
MIN
MIN
MIN
Rev. C | Page 37 of 52
control on t
control. The T
contro
control on the Remote 2 temperature channel. The chosen T
control.
control. T
sible without syst
ntains the temp
ns the tempe
ock bit is set t
l on the Remo
ithout affecting system performance.
t temperatu
The T
l section.
he T
he local temperature channel. The chosen T
section.
out affect
nt tempe
MIN
MIN
MIN
value chosen is not adjusted, and the channel behaves as
val
val
em performan
erature at which
rature at which
ue chosen is not a
ue chosen is not
rature to the local
ing system performa
rature, operatin
rature, operating po
o 1. Further att
te 1 temperatu
re to the Rem
ce being affected
ote 1 operating point register if THERM
THERM
THER is asserted. This allows the
THERM is asserted. This allows the
re channel. The chosen T
empts to write to this register have no
g point, and high and low limits for this
adjusted, and the channel behaves as
djusted, and the channel behaves as
operating point register if THERM
int, and high and low limits for this
M
nce.
is asserted. This allows the
.
MIN
MIN
adjustments in the
MIN
value is
Control Register 2
MIN
MIN
ADT7460
value is
value is
is
is