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| 型号： | SA56004ADP |
| 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： | 11/36页 |
| 文件大小： | 197K |
| 代理商： | SA56004ADP |
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SA56004X_5
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 05 — 22 May 2008
11 of 36
NXP Semiconductors
SA56004X
Digital temperature sensor with overtemperature alarms
[1]
POR default TH = 0Ah (10
°
C).
7.8.7
Programmable offset register (remote only)
[1]
POR default RTOHB = RTOLB = 00h.
[2]
POR default RTOLB = 00h.
7.8.8
ALERT mode register (AM)
D[7:1] is not defined and defaults to logic 0.
D0: The ALERT output is in interrupt mode when this bit is LOW. The ALERT output is in
comparator mode when this bit is HIGH.
7.8.9
Other registers
The
Manufacturers ID
register has a default value A1h (1010 0001) and a read address
FEh.
The
Die Revision Code
register has a default value 00h (0000 0000) and read address
FFh. This register will increment by 1 every time there is a revision to the die.
7.8.10
One-shot register
The one-shot register is used to initiate a single conversion and comparison cycle when
the device is in the standby mode; upon completion of the single conversion cycle, the
device returns to the standby mode. It is not a data register; it is the write operation that
causes the one-shot conversion. The data written to this register is not stored; an FFh
value will always be read from this register. To initiate a one-shot operation, send a
standard write command with the command byte of 0Fh (One-Shot Write Address).
Table 13.
Byte
Bit
Value
TH - T_CRIT hysteresis register
Single high byte (read/write address 21h)
[1]
D7
D6
-
-
D5
-
D4
16
D3
8
D2
4
D1
2
D0
1
Table 14.
Byte
Bit
Value
RTOHB, RTOLB - Remote temperature offset registers
High byte (read/write address 11h)
[1]
D7
D6
D5
D4
sign
64
32
16
Low byte (read/write address 12h)
[2]
D7
D6
D5
0.5
0.25
0.125
D3
8
D2
4
D1
2
D0
1
D4
0
D3
0
D2
0
D1
0
D0
0
Table 15.
Read and write address BFh.
Bit
D7
Value
AM - ALERT mode register
D6
0
D5
0
D4
0
D3
0
D2
0
D1
0
D0
0
ALERT mode
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