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| 型号： | SA56004BD |
| 厂商： | NXP Semiconductors N.V. |
| 元件分类： | 温度/湿度传感器 |
| 英文描述： | +--1 deg Cel accurate, SMBus-compatible, 8-pin, remote-local digital temperature sensor with overtemperature alarms |
| 封装： | SA56004AD<SOT96-1 (SO8)|<<http://www.nxp.com/packages/SOT96-1.html<1<week 11, 2005,;SA56004AD<SOT96-1 (SO8)|<<http://www.nxp.com/packages/SOT96-1.html<1<week 11, 20 |
| 文件页数： | 14/36页 |
| 文件大小： | 197K |
| 代理商： | SA56004BD |
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SA56004X_5
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 05 — 22 May 2008
14 of 36
NXP Semiconductors
SA56004X
Digital temperature sensor with overtemperature alarms
Status register, at address 02h, during the interrupt service routine and then reset the
ALERT mask bit 7 in the Configuration register to logic 0 at the end of the interrupt service
routine (see
Figure 6
).
In order for the SA56004X to respond to the ARA command, the bit D0 in the ALERT
mode register must be set LOW.
ALERT mask bit 7 and the ALERT mode bit D0 are both LOW for the POR default.
The following events summarize the ALERT output interrupt operation in the SMBus Alert
mode:
Event A
: Master senses the ALERT line being LOW.
Event A to B
: Master sends a read command using the common 7-bit Alert Response
Address (ARA) of 0001100.
Event A to B
: Alerting device(s) return ACK signal and their addresses using the
I
2
C-bus Arbitration (the device with the lowest address value sends its address first. The
master can repeat the alert reading process and work up through all the interrupts).
Event B
: Upon the successful completion of returning address, the SA56004X resets its
ALERT output (to OFF) and sets the ALERT mask bit 7 in its configuration register.
Event C
: Master should read the device status register to identify and correct the
conditions that caused the Alert interruption. The status register is reset.
Event D
: Master resets the ALERT mask bit 7 in the configuration register to enable the
device ALERT output interruption.
Remark:
The bit assignment of the returned data from the ARA reading is listed in
Table 16
. If none of the devices on the bus is alerted then the returned data from ARA
reading will be FFh (1111 1111).
Fig 6.
ALERT pin in SMBus Alert mode
temperature
002aad215
remote temperature high limit
remote diode temperature
ALERT pin
status register bit 4
(RHIGH)
A
B
C
D
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SA56004BD,112 | 功能描述:板上安装温度传感器 I2C LOC +/- 2OC AND 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 |
| SA56004BD,118 | 功能描述:板上安装温度传感器 I2C LOC +/- 2OC AND 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 |
| SA56004BDP | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:1 Degrees Celcious accurate, SMBus-compatible, 8-pin, remote/local digital temperature sensor with over temperature alarms |
| SA56004BDP,118 | 功能描述:板上安装温度传感器 I2C LOC +/- 2OC AND 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 |
| SA56004BDP-T | 功能描述:板上安装温度传感器 I2C LOC +/- 2OC AND REM +/- 1OC TS 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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