LM3S8938 Datasheet, PDF (65/550 Pages) List of Unclassifed Manufacturers – Microcontroller

LM3S8938 Microcontroller
Register 1: Device Identification 0 (DID0), offset 0x000
This register identifies the version of the device.
Device Identification 0 (DID0)
Base 0x400F.E000
Offset 0x000
Type RO, reset -
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
reserved
VER
reserved
CLASS
Type RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
Reset
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
1
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
MAJOR
MINOR
Type RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
Reset
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Bit/Field
31
30:28
Name
reserved
VER
Type
RO
RO
Reset
0
1
Description
Software should not rely on the value of a reserved bit. To provide
compatibility with future products, the value of a reserved bit should be
preserved across a read-modify-write operation.
This field defines the DID0 register format version. The version number
is numeric. The value of the VER field is encoded as follows:
Value Description
1 First revision of the DID0 register format, for Stellaris®
Fury-class devices.
27:24
23:16
reserved
CLASS
RO
0
Software should not rely on the value of a reserved bit. To provide
compatibility with future products, the value of a reserved bit should be
preserved across a read-modify-write operation.
RO
1
The CLASS field value identifies the internal design from which all mask
sets are generated for all devices in a particular product line. The CLASS
field value is changed for new product lines, for changes in fab process
(for example, a remap or shrink), or any case where the MAJOR or MINOR
fields require differentiation from prior devices. The value of the CLASS
field is encoded as follows (all other encodings are reserved):
Value Description
0 Stellaris® Sandstorm-class devices.
1 Stellaris® Fury-class devices.
June 14, 2007
65
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