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| 型号： | SE97BTP,547 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 25/53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： | 是 |
| 输出风扇： | 是 |
| 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 |
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SE97B_1
?NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 01 27 January 2010
25 of 53
NXP Semiconductors
SE97B
DDR memory module temp sensor with integrated SPD
8
SHMD
Shutdown Mode.
0 Temperature Sensor is active and converting (default).
1 disabled Temperature Sensor will not generate interrupts or update
the temperature data.
When shut down, the thermal sensor diode and ADC are disabled to save
power, no events will be generated. When either of the Critical Trip or Alarm
Window lock bits is set, this bit cannot be set until unlocked. However, it can
be cleared at any time. When in shutdown mode, the SE97B will still respond
to commands normally.
When coming out of shutdown, the EVENT
output remains de-asserted as a
new temperature conversion is done. Hysteresis is subtracted from the alarm
thresholds if the temperature is falling but not used if the temperature is
rising. The temperature trend will not be determined until at least two
temperature conversions are done. Since all the alarm threshold flags
(TEMP bits 13, 14, 15) are cleared with coming out of shutdown, it was
decided to only apply hysteresis to the lower alarm threshold calculations
when determining after the initial temperature conversion if the EVENT
should assert. After the second temperature conversion the direction of
temperature is known and TEMP bits 13, 14 or 15 are changed as required
and the EVENT
is asserted as required.
7
CTLB
Critical Trip Lock bit.
0 Critical Alarm Trip register is not locked and can be altered (default)
1 Critical Alarm Trip register settings cannot be altered
This bit is initially cleared. When set, this bit will return a 1, and remains
locked until cleared by internal Power-on reset. This bit can be written with a
single write and does not require double writes.
6
AWLB
Alarm Window Lock bit.
0 Upper and Lower Alarm Trip registers are not locked and can be
altered (default)
1 Upper and Lower Alarm Trip registers setting cannot be altered
This bit is initially cleared. When set, this bit will return a 1 and remains
locked until cleared by internal power-on reset. This bit can be written with a
single write and does not require double writes.
5
CEVNT
Clear EVENT
(write only).
0 no effect (default)
1 clears active EVENT
in Interrupt mode. Writing to this register has no
effect in Comparator mode.
If SMBUS[0] is a logic 0, the SMBus Alert Response Address (ARA)
command can be sent to also clear the EVENT
output. When read, this
register always returns zero.
4
ESTAT
EVENT
Status (read only).
0 EVENT
output condition is not being asserted by this device (default)
1 EVENT
output pin is being asserted by this device due to Alarm
Window or Critical Trip condition
The actual event causing the event can be determined from the Read
Temperature register. Interrupt Events can be cleared by writing to the Clear
EVENT
bit (CEVNT) or SMBus Alert Response. Writing to this bit will have
no effect.
Table 13. Configuration register (address 01h) bit description &continued
Bit
Symbol
Description
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SE97PW | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:DDR memory module temp sensor with integrated SPD, 3.3 V |
| SE97PW,118 | 功能描述:板上安装温度传感器 I2C LOCAL +/- 2OC RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| SE97PW-T | 功能描述:板上安装温度传感器 I2C LOCAL +/- 2OC TS +SPD DIMM RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| SE97TK | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:DDR memory module temp sensor with integrated SPD, 3.3 V |
| SE97TK,118 | 功能描述:板上安装温度传感器 I2C LOCAL +/- 2OC RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
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