LM3S1G21 Datasheet, PDF (225/955 Pages) Texas Instruments – Stellaris® LM3S1G21 Microcontroller

Stellaris^® LM3S1G21 Microcontroller
Bit/Field
14
13
12
11:6
5
4
3
2
1
0
Name
I2C1
reserved
I2C0
reserved
SSI1
SSI0
reserved
UART2
UART1
UART0
Type
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
Reset
1
0
1
0
1
1
0
1
1
1
Description
I2C Module 1 Present
When set, indicates that I2C module 1 is present.
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.
I2C Module 0 Present
When set, indicates that I2C module 0 is present.
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.
SSI Module 1 Present
When set, indicates that SSI module 1 is present.
SSI Module 0 Present
When set, indicates that SSI module 0 is present.
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.
UART Module 2 Present
When set, indicates that UART module 2 is present.
UART Module 1 Present
When set, indicates that UART module 1 is present.
UART Module 0 Present
When set, indicates that UART module 0 is present.
January 22, 2012
225
Texas Instruments-Production Data