参数资料
型号: SE97BTP,547
厂商: NXP Semiconductors
文件页数: 24/53页
文件大小: 386K
描述: IC TEMP SENSOR DIMM 8HWSON
产品培训模块: I²C Bus Fundamentals
特色产品: NXP - I2C Interface
标准包装: 1
功能: 温度监控系统(传感器),DIMM DDR 内存
传感器类型: 内部
感应温度: -40°C ~ 125°C
精确度: ±3°C(最小值)
拓扑: ADC(三角积分型),比较器,寄存器库
输出类型: I²C?/SMBus?
输出警报:
输出风扇:
电源电压: 3 V ~ 3.6 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 8-WFDFN 裸露焊盘
供应商设备封装: 8-WSON
包装: 标准包装
产品目录页面: 847 (CN2011-ZH PDF)
其它名称: 568-5055-6
SE97B_1
?NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 01  27 January 2010
24 of 53
NXP Semiconductors
SE97B
DDR memory module temp sensor with integrated SPD
8.3   CONFIG  Configuration register (01h, 16-bit read/write)
 
 
Table 12.   CONFIG - Configuration register (address 01h) bit allocation
Bit
15
14
13
12
11
10
9
8
Symbol
RFU
HEN
SHMD
Default
0
0
0
0
0
0
0
0
Access
R
R
R
R
R
R/W
R/W
R/W
Bit
7
6
5
4
3
2
1
0
Symbol
CTLB
AWLB
CEVNT
ESTAT
EOCTL
CVO
EP
EMD
Default
0
0
0
0
0
0
0
0
Access
R/W
R/W
W
R
R/W
R/W
R/W
R/W
Table 13.   Configuration register (address 01h) bit description
Bit
Symbol
Description
15:11
RFU
reserved for future use; must be 0.
10:9
HEN
Hysteresis Enable.
00  disable hysteresis (default)
01  enable hysteresis at 1.5 癈
10  enable hysteresis at 3 癈
11  enable hysteresis at 6 癈
When enabled, hysteresis is applied to temperature movement around
trigger points. For example, consider the behavior of the Above Alarm
Window bit (bit 14 of the Temperature register) when the hysteresis is set to
3 癈. As the temperature rises, bit 14 will be set to 1 (temperature is above
the alarm window) when the Temperature register contains a value that is
greater than the value in the Alarm Temperature Upper Boundary Register. If
the temperature decreases, bit 14 will remain set until the measured
temperature is less than or equal to the value in the Alarm Temperature
Upper Boundary register minus 3 癈. (Refer to Figure 4
 and Table 14
).
Similarly, the Below Alarm Window bit (bit 13 of the Temperature register)
will be set to 0 (temperature is equal to or above the Alarm Window Lower
Boundary Trip register) when the value in the Temperature register is equal
to or greater than the value in the Alarm Temperature Lower Boundary
register. As the temperature decreases, bit 13 will be set to 1 when the
value in the Temperature register is equal to or less than the value in the
Alarm Temperature Lower Boundary register minus 3 癈. Note that
hysteresis is also applied to EVENT
 pin functionality.
When either of the Critical Trip or Alarm Window lock bits is set, these bits
cannot be altered until unlocked.
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