LM3S2139 Luminary Micro, Inc, LM3S2139 Datasheet - Page 90

• Manufacturer Part Number: LM3S2139
• Description: Lm3s2139 Arm Microcontroller
• Manufacturer: Luminary Micro, Inc

System Control
90
Bit/Field
11:5
3:2
4
1
0
reserved
reserved
UART1
UART0
Name
SSI0
Type
RO
RO
RO
RO
RO
Reset
0
1
0
1
1
Preliminary
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.
SSI0 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.
UART1 Present
When set, indicates that UART module 1 is present.
UART0 Present
When set, indicates that UART module 0 is present.
July 25, 2008