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| 型号： | SA56004FTK |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 模拟信号调理 |
| 英文描述： | +--1 deg Cel accurate, SMBus-compatible, 8-pin, remote-local digital temperature sensor with overtemperature alarms |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDSO8 |
| 封装： | 3 MM, PLASTIC, SOT782-1, HVSON-8 |
| 文件页数： | 8/36页 |
| 文件大小： | 197K |
| 代理商： | SA56004FTK |
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SA56004X_5
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 05 — 22 May 2008
8 of 36
NXP Semiconductors
SA56004X
Digital temperature sensor with overtemperature alarms
7.8 SA56004X SMBus registers
7.8.1
Command register
The command register selects which register will be read or written to. Data for this
register should be transmitted during the Command Byte of the SMBus write
communication.
7.8.2
Local and remote temperature registers (LTHB, LTLB, RTHB, RTLB)
7.8.3
Configuration register (CON)
The configuration register is an 8-bit register with read address 03h and write address
09h.
Table 7
shows how the bits in this register are used.
Table 5.
Temperature
Temperature data format
Digital output
Binary
0111 1101 0000 0000
0001 1001 0000 0000
0000 0001 0000 0000
0000 0000 0010 0000
0000 0000 0000 0000
1111 1111 1110 0000
1111 1111 0000 0000
1110 0111 0000 0000
1100 1001 0000 0000
Hex
7D00h
1900h
0100h
0020h
0000h
FFE0h
FF00h
E700h
C900h
+125
°
C
+25
°
C
+1
°
C
+0.125
°
C
0
°
C
0.125
°
C
1
°
C
25
°
C
55
°
C
Table 6.
Byte
Bit
Value
LTHB, LTLB, RTHB, RTLB - Local and remote temperature registers
High byte (read only; address 00h, 01h)
D7
D6
D5
D4
D3
D2
sign
64
32
16
8
Low byte (read only; address 10h)
D7
D6
D5
0.5
0.25
0.125
D1
2
D0
1
D4
0
D3
0
D2
0
D1
0
D0
0
4
Table 7.
CON - Configuration register (read address 03h; write address 09h)
bit assignments
Description
ALERT mask.
The ALERT interrupt is enabled when this bit is LOW. The ALERT interrupt
is disabled (masked) when this bit is HIGH.
RUN/STOP.
Standby or run mode control. Running mode is enabled when this bit is
LOW. The SA56004X is in standby mode when this bit is HIGH.
Not defined; defaults to logic 0.
Remote T_CRIT mask.
The T_CRIT output will be activated by a remote temperature that exceeds
the remote T_CRIT setpoint when this bit is LOW. The T_CRIT output will
not be activated under this condition when this bit is HIGH.
Not defined; defaults to logic 0.
Bit
7
POR state
0
6
0
5
4
0
0
3
0
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| SA56004GD,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 |
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