參數(shù)資料
型號: ASC7512D8
廠商: Electronic Theatre Controls, Inc.
元件分類: 溫度/濕度傳感器
英文描述: DIGITAL TEMPERATURE SENSOR WITH INTEGRATED FAN CONTROL
中文描述: 數(shù)字溫度傳感器整合了風(fēng)扇控制
文件頁數(shù): 16/35頁
文件大?。?/td> 337K
代理商: ASC7512D8
- 16 -
Andigilog, Inc. 2006
www.andigilog.com
August 2006 - 70A05003
aSC7512
Bit
Name
R/W
Default
Description
1:0
RESERVED
R
0
RESERVED
2
ROPEN
R
0
ZONE 1 (REMOTE) SENSOR OPEN-CIRCUIT
3
RLOW
R
0
ZONE 1 (REMOTE) SENSOR
LOW LIMIT
4
RHIGH
R
0
ZONE 1 (REMOTE) SENSOR > HIGH LIMIT
5
6
LLOW
LHIGH
R
R
0
0
ZONE 2 (LOCAL) SENSOR
LOW LIMIT
ZONE 2 (LOCAL) SENSOR > HIGH LIMIT
7
BUSY
R
0
CONVERTER IN PROCESS OF CONVERSION
Table 5 Alert Status Register
Register 41h: Interrupt Status Register 1
Register
Address
Read/
Write
Register Name
Bit 7
(MSB)
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
(LSB)
Default
Value
41h
R
Interrupt Status 1
ERR
RES
ZN2
ZN1
RES
RES
RES
RES
00
The Interrupt Status Register 1 bits will be automatically set, by the aSC7512, whenever a fault condition is detected. A fault
condition is detected whenever a measured value is outside the window set by its limit registers. ZN1 bit will be set when a
diode fault condition, such as an open or short, is detected. More than one fault may be indicated in the interrupt register
when read. The register will hold a set bit(s) until the event is read by software. The contents of this register will be cleared
(set to 0) automatically by the aSC7512 after it is read by software, if the fault condition no longer exists. Once set, the
Interrupt Status Register 1 bits will remain set until a read event occurs, even if the fault condition no longer exists. This
register is read-only – a write to this register has no effect.
Bit
Name
R/W
Default
Description
3:0
RES
R
0
Reserved
4
Zone 1 Limit
Exceeded
R
0
The aSC7512 automatically sets this bit to 1 when the temperature input
measured by the Remote1- and Remote1+ inputs is less than or equal to the
limit set in the Processor (Zone 1) Low Temp register or more than the limit
set in the Processor (Zone 1) High Temp register. This bit will be set when a
diode fault is detected.
5
Zone 2 Limit
Exceeded
R
0
The aSC7512 automatically sets this bit to 1 when the temperature input
measured by the internal temperature sensor is less than or equal to the limit
set in the thermal (Zone2) Low Temp register or greater than the limit set in
the Internal (Zone2) High Temp register.
6
RES
R
0
Reserved
7
Error in Status
Register 2
R
0
If there is a set bit in Status Register 2, this bit will be set to 1.
Table 6 Interrupt Status Register 1
Register 42h: Interrupt Status Register 2
Register
Address
Read/
Write
Register Name
Bit 7
(MSB)
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
(LSB)
Default
Value
42h
R
Interrupt Status 2
RES
ERR1
RES
RES
RES
FAN
RES
RES
00
The Interrupt Status Register 2 bits will be automatically set, by the aSC7512, whenever a fault condition is detected.
Interrupt Status Register 2 identifies faults caused by temperature sensor error, fan speed dropping below minimum set by
the tachometer minimum register. Interrupt Status Register 2 will hold a set bit until the event is read by software. The
contents of this register will be cleared (set to 0) automatically by the aSC7512 after it is read by software, if fault condition
no longer exists. Once set, the Interrupt Status Register 2 bits will remain set until a read event occurs, even if the fault no
longer exists. This register is read-only – a write to this register has no effect.
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