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參數(shù)資料
型號(hào): SE98ATP,547
廠商: NXP Semiconductors
文件頁(yè)數(shù): 23/43頁(yè)
文件大?。?/td> 849K
描述: IC TEMP SENSOR DDR 8-HWSON
產(chǎn)品培訓(xùn)模塊: I²C Bus Fundamentals
標(biāo)準(zhǔn)包裝: 1
功能: 溫度監(jiān)控系統(tǒng)(傳感器)
傳感器類型: 內(nèi)部
感應(yīng)溫度: -40°C ~ 125°C
精確度: ±4°C(最小值)
拓?fù)洌?/td> ADC(三角積分型),寄存器庫(kù)
輸出類型: I²C?/SMBus?
輸出警報(bào):
輸出風(fēng)扇:
電源電壓: 1.7 V ~ 3.6 V
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 8-WFDFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 8-WSON
包裝: 標(biāo)準(zhǔn)包裝
產(chǎn)品目錄頁(yè)面: 847 (CN2011-ZH PDF)
其它名稱: 568-4731-6
SE98A_4
?NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 04  25 November 2009
23 of 43
NXP Semiconductors
SE98A
DDR memory module temp sensor, 1.7 V to 3.6 V
8.5.2   Lower Boundary Alarm Trip register (16-bit read/write)
The value is the lower threshold temperature value for Alarm mode. The data format is
2s complement with bit 2 = 0.25 癈. 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.
 
 
8.5.3   Critical Alarm Trip register (16-bit read/write)
The value is the critical temperature. The data format is 2s complement with
bit 2 = 0.25 癈. RFU bits will always report zero.
 
 
Table 14.   Lower Boundary Alarm Trip register bit allocation
Bit
15
14
13
12
11
10
9
8
Symbol
RFU
SIGN
LBT[9:6]
Reset
0
0
0
0
0
0
0
0
Access
R
R
R
R/W
R/W
R/W
R/W
R/W
Bit
7
6
5
4
3
2
1
0
Symbol
LBT[5:0]
RFU
Reset
0
0
0
0
0
0
0
0
Access
R/W
R/W
R/W
R/W
R/W
R/W
R
R
Table 15.   Lower Boundary Alarm Trip register bit description
Bit
Symbol
Description
15:13
RFU
reserved; always 0
12
SIGN
Sign (MSB)
11:2
LBT
Lower Boundary Alarm Trip Temperature (LSB = 0.25 癈)
1:0
RFU
reserved; always 0
Table 16.   Lower Boundary Alarm Trip register bit allocation
Bit
15
14
13
12
11
10
9
8
Symbol
RFU
SIGN
CT[9:6]
Reset
0
0
0
0
0
0
0
0
Access
R
R
R
R/W
R/W
R/W
R/W
R/W
Bit
7
6
5
4
3
2
1
0
Symbol
CT[5:0]
RFU
Reset
0
0
0
0
0
0
0
0
Access
R/W
R/W
R/W
R/W
R/W
R/W
R
R
Table 17.   Critical Alarm Trip register bit description
Bit
Symbol
Description
15:13
RFU
reserved; always 0
12
SIGN
Sign (MSB)
11:2
CT
Critical Alarm Trip Temperature (LSB = 0.25 癈)
1:0
RFU
reserved; always 0
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