參數(shù)資料
型號(hào)： LM32
廠商： National Semiconductor Corporation
元件分類： 溫度/濕度傳感器
英文描述： Dual Thermal Diode Temperature Sensor with SensorPath Bus
中文描述： 雙熱二極管溫度傳感器SensorPath總線
文件頁(yè)數(shù)： 16/24頁(yè)
文件大?。?/td> 340K
代理商： LM32
2.0 Register Set
(Continued)
2.5 DEVICE ID (Addr: 000 010; 02h)
Reg
Add
Register
Name
R/
W
P
O
R
Val
Bit
15
MSb
Bit
14
Bit
13
Bit
12
Bit
11
Bit
10
Bit
9
Bit
8
Bit
7
Bit
6
Bit
5
Bit
4
Bit
3
Bit
2
Bit
1
Bit
0
LSb
000 010 Device ID
R
23h
RevID
0
DeviceID
1
0
0
0
0
0
0
0
0
0
0
0
0
1
1
The device ID is defined by the manufacturer of the device and is unique for each device produced by a manufacturer. Bits 15-11
identify the revision number of the die and will be incremented upon revision of the device.
Bit
10-0
15-11
Type
RO
RO
Description
DeviceID (Device ID Value)
A fixed value that identifies the device.
RevID (Revision ID Value)
A fixed value that identifies the device revision.
2.6 CAPABILITIES FIXED (Addr: 000 011; 03h)
Reg
Add
Register
Name
R/
W
P
O
R
Val
Bit
15
MSb
Bit
14
Bit
13
Bit
12
Bit
11
Bit
10
Bit
9
Bit
8
Bit
7
Bit
6
Bit
5
Bit
4
Bit
3
Bit
2
Bit
1
Bit
0
LSb
000 011
Capabilities
Fixed
R
1h
Reserved
0
FuncDescriptor1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
The value of this register defines the capabilities of the LM32. The LM32 supports one function, that of Temperature Measurement
type. Please refer to the SensorPath specification for further details on other FuncDescriptor values.
2.7 DEVICE STATUS (Addr: 000 100; 04h)
This register is set to the reset value by a Device Reset.
Reg Add
Register Name
R/
W
P
O
R
Val
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
LSb
000 100
Device Status
R
0h
BER
Res
ERF1
Res
0
SF1
0
0
0
0
Bit
0
Type
RO
Description
SF1 (Status Function 1)
This bit is set by a Function Event within Function 1. Event details are function
dependent and are described within the function. SF1 is cleared by Device Reset or by handling the event
within the Temperature Measurement Function (see
Section 2.9
for further details).
0: Status flag for Function 1 is inactive (no event).
1: Status flag for Function 1 is active indicating that a Function Event has occurred.
Reserved.
Will always read "0".
ERF1 (Error Function 1)
This bit is set in response to an error indication within Function 1. ERF1 is cleared
by Device Reset or by handling the error condition within the Temperature Measurement Function (see
Section 2.9
for further details).
0: No error occurred in Function 1.
1: Error occurred in Function 1.
Reserved.
Will always read "0".
BER (Bus Error)
This bit is set when the device either generates, or receives an error indication in the ACK
bit of the transaction (i.e., no-acknowledge). BER is cleared by Device Reset or by reading the Device Status
register.
0: No transaction error occurred.
1: An ACK bit error (no-acknowledge) occurred during the last transaction.
3-1
4
RO
RO
6-5
7
RO
RO
L
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