SE98ATP,147 NXP Semiconductors, SE98ATP,147 Datasheet - Page 23
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SE98ATP,147
Manufacturer Part Number
SE98ATP,147
Description
IC TEMPERATURE SENSOR DDR 8HWSON
Manufacturer
NXP Semiconductors
Datasheet
1.SE98ATP547.pdf
(43 pages)
Specifications of SE98ATP,147
Function
Temp Monitoring System (Sensor)
Topology
ADC (Sigma Delta), Register Bank
Sensor Type
Internal
Sensing Temperature
-40°C ~ 125°C
Output Type
I²C™/SMBus™
Output Alarm
Yes
Output Fan
Yes
Voltage - Supply
1.7 V ~ 3.6 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
8-WSON
Full Temp Accuracy
+/- 2 C
Digital Output - Bus Interface
2-Wire
Digital Output - Number Of Bits
11
Supply Voltage (max)
3.6 V
Supply Voltage (min)
1.7 V
Maximum Operating Temperature
+ 125 C
Minimum Operating Temperature
- 40 C
Supply Current
250 uA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
NXP Semiconductors
SE98A_4
Product data sheet
8.5.2 Lower Boundary Alarm Trip register (16-bit read/write)
8.5.3 Critical Alarm Trip register (16-bit read/write)
The value is the lower threshold temperature value for Alarm mode. The data format is
2’s complement with bit 2 = 0.25 °C. RFU bits will always report zero. Interrupts will
respond to the presently programmed boundary values. If boundary values are being
altered in-system, it is advised to turn off interrupts until a known state can be obtained to
avoid superfluous interrupt activity.
Table 14.
Table 15.
The value is the critical temperature. The data format is 2’s complement with
bit 2 = 0.25 °C. RFU bits will always report zero.
Table 16.
Table 17.
Bit
Symbol
Reset
Access
Bit
15:13
12
11:2
1:0
Bit
Symbol
Reset
Access
Bit
15:13
12
11:2
1:0
Bit
Symbol
Reset
Access
Bit
Symbol
Reset
Access
Symbol
RFU
SIGN
LBT
RFU
Symbol
RFU
SIGN
CT
RFU
Lower Boundary Alarm Trip register bit allocation
Lower Boundary Alarm Trip register bit description
Lower Boundary Alarm Trip register bit allocation
Critical Alarm Trip register bit description
R/W
R/W
15
15
R
R
0
0
7
0
7
0
Rev. 04 — 25 November 2009
RFU
RFU
R/W
R/W
14
14
R
R
0
0
6
0
6
0
Description
reserved; always 0
Sign (MSB)
Lower Boundary Alarm Trip Temperature (LSB = 0.25 °C)
reserved; always 0
Description
reserved; always 0
Sign (MSB)
Critical Alarm Trip Temperature (LSB = 0.25 °C)
reserved; always 0
R/W
R/W
13
13
R
R
0
0
5
0
5
0
LBT[5:0]
CT[5:0]
DDR memory module temp sensor, 1.7 V to 3.6 V
SIGN
SIGN
R/W
R/W
R/W
R/W
12
12
0
0
4
0
4
0
R/W
R/W
R/W
R/W
11
11
0
0
3
0
3
0
R/W
R/W
R/W
R/W
10
10
0
0
2
0
2
0
LBT[9:6]
CT[9:6]
© NXP B.V. 2009. All rights reserved.
R/W
R/W
9
0
9
0
R
R
1
0
1
0
SE98A
RFU
RFU
R/W
R/W
23 of 43
8
0
8
0
R
R
0
0
0
0