2 device reset operation, 3 device number (addr 00o), Table 1. device number assignment – Rainbow Electronics LM95010 User Manual
Page 13: 4 manufacturer id (addr 01o), 5 device id (addr 02o), 0 register set
2.0 Register Set
(Continued)
* Depends on state of ADD pins see Table 1.
2.2 Device Reset Operation
A Device Reset operation is performed in the following conditions:
•
At device power-up.
•
When the Reset bit in the Device Control register is set to 1 (see Section 2.8 "Device Control").
The Device Reset operation performs the following:
•
Aborts any device operation in progress and restarts device operation.
•
Sets all device registers to their "Reset" (default) value.
2.3 DEVICE NUMBER (Addr 00o)
This register is used to specify a unique address for each device on the bus.
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
000 000
Device Number
R
4h-1h
Reserved
AS2
AS1
AS0
0
0
0
0
0
The value of AS2:AS0 is determined by the setting of the ADD0 and ADD1 input pins:
TABLE 1. Device Number Assignment
[ADD1:ADD0]
[AS2:AS0]
00
001
01
010
[ADD1:ADD0]
[AS2:AS0]
10
011
11
100
The value of AS2:AS0 will directly change and follow the value determined by ADD1:ADD0. Since this is a read only register the
value of the address cannot be changed by software.
2.4 MANUFACTURER ID (Addr 01o)
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
000 001
Manufacturer
ID
R 100Bh
0
0
0
1
0
0
0
0
0
0
0
0
1
0
1
1
The manufacturer ID matches that assigned to National Semiconductor by the PCI SIG. This register may be used to identify the
manufacturer of the device in order to perform manufacturer specific operations.
2.5 DEVICE ID (Addr 02o)
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
21h
RevID
DeviceID
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
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 die and will be incremented upon revision of the device.
Bit
Type
Description
10-0
RO
DeviceID (Device ID Value) A fixed value that identifies the device.
15-11
RO
RevID (Revision ID Value) A fixed value that identifies the device revision.
LM95010
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