參數(shù)資料
型號(hào): SA56004HD,118
廠商: NXP Semiconductors
文件頁(yè)數(shù): 8/43頁(yè)
文件大?。?/td> 516K
描述: IC TEMP SENSOR DIGITAL 8SOIC
標(biāo)準(zhǔn)包裝: 2,500
功能: 溫度監(jiān)控系統(tǒng)(傳感器)
傳感器類(lèi)型: 內(nèi)部和外部
感應(yīng)溫度: -40°C ~ 125°C
精確度: ±3°C(最小值)
拓?fù)洌?/td> ADC(三角積分型),多路復(fù)用器,寄存器庫(kù)
輸出類(lèi)型: I²C?/SMBus?
輸出警報(bào):
輸出風(fēng)扇:
電源電壓: 3 V ~ 5.5 V
工作溫度: -40°C ~ 125°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 8-SO
包裝: 帶卷 (TR)
其它名稱(chēng): 935274554118
SA56004HD-T
SA56004HD-T-ND
SA56004X
All information provided in this document is subject to legal disclaimers.
?NXP B.V. 2013. All rights reserved.
Product data sheet
Rev. 7  25 February 2013
8 of 43
NXP Semiconductors
SA56004X
Digital temperature sensor with overtemperature alarms
 
7.4   Power-on reset
When power is applied to the SA56004X, the device enters its Power-On Reset (POR)
state and its registers are reset to their default values. The configuration, status, and
temperature-reading registers remain in these states until after the first conversion. As
shown in Table 5
 this results in:
1. Command register set to 00h.
2. Local Temperature register (LTHB and LTLB) set to 0 癈.
3. Remote Diode Temperature register (RTHB and RTLB) set to 0 癈 until the end of the
first conversion.
4. Status register (SR) set to 00h.
5. Configuration register (CON) set to 00h; interrupt latches are cleared, the ALERT and
T_CRIT output drivers are off and the ALERT
 and T_CRIT
 pins are pulled HIGH by
the external pull-up resistors.
6. Local T_CRIT temperature setpoints (LCS) and Remote T_CRIT temperature
setpoints (RCS) at 85 癈.
7. Local HIGH setpoint (LHS) and remote HIGH temperature setpoint (RHSHB) at 70 癈.
Table 5.
Register assignments
Register
name
Command byte
POR state
Function
Bits
Access
Read
address
Write
address
LTHB
00h
n/a
0000 0000
local temperature high byte
8
R
RTHB
01h
n/a
0000 0000
remote temperature high byte
8
R
SR
02h
n/a
0000 0000
status register
8
R
CON
03h
09h
0000 0000
configuration register
8
R/W
CR
04h
0Ah
1000
conversion rate
4
R/W
LHS
05h
0Bh
0100 0110
local high setpoint
8
R/W
LLS
06h
0Ch
0000 0000
local low setpoint
8
R/W
RHSHB
07h
0Dh
0100 0110
remote high setpoint high byte
8
R/W
RLSHB
08h
0Eh
0000 0000
remote low setpoint high byte
8
R/W
One Shot
n/a
0Fh
-
writing register initiates a one-shot conversion   0
W
RTLB
10h
n/a
0000 00
remote temperature low byte
6 (MSBs)    R
RTOHB
11h
11h
0000 0000
remote temperature offset high byte
8
R/W
RTOLB
12h
12h
000
remote temperature offset low byte
3 (MSBs)    R/W
RHSLB
13h
13h
000
remote high setpoint low byte
3 (MSBs)    R/W
RLSLB
14h
14h
000
remote low setpoint low byte
3 (MSBs)    R/W
RCS
19h
19h
0101 0101
remote T_CRIT setpoint
8
R/W
LCS
20h
20h
0101 0101
local T_CRIT setpoint
8
R/W
TH
21h
21h
0 1010
T_CRIT hysteresis
5
R/W
ATLB
22h
n/a
0000 0000
local temperature low byte
3 (MSBs)    R
AM
BFh
BFh
0
Alert mode
1
R/W
RMID
FEh
n/a
1010 0001
read manufacturers ID
8
R
RDR
FFh
n/a
0000 0000
read stepping or die revision
8
R
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