LM3S101 Luminary Micro, Inc., LM3S101 Datasheet - Page 104
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LM3S101
Manufacturer Part Number
LM3S101
Description
Microcontroller
Manufacturer
Luminary Micro, Inc.
Datasheet
1.LM3S101.pdf
(300 pages)
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General-Purpose Input/Outputs (GPIOs)
Table 8-3. GPIO Register Map (Continued)
a. The default reset value for the GPIOAFSEL register is 0x00000000 for all GPIO pins, with the exception of the five JTAG pins
8.5
104
0xFDC
0xFEC
Offset
0xFE0
0xFE4
0xFE8
0xFFC
0xFF0
0xFF4
0xFF8
(PB7 and PC[3:0]. These five pins default to JTAG functionality. Because of this, the default reset value of GPIOAFSEL for
GPIO Port B is 0x00000080 while the default reset value of GPIOAFSEL for Port C is 0x0000000F.
GPIOPCellID3
Name
GPIOPeriphID7
GPIOPeriphID0
GPIOPeriphID1
GPIOPeriphID2
GPIOPeriphID3
GPIOPCellID0
GPIOPCellID1
GPIOPCellID2
Register Descriptions
The remainder of this section lists and describes the GPIO registers, in numerical order by
address offset.
0x0000000D
0x000000B1
0x00000000
0x00000061
0x00000000
0x00000018
0x00000001
0x000000F0
0x00000005
Reset
Type
RO
RO
RO
RO
RO
RO
RO
RO
RO
Preliminary
Description
Peripheral identification 7
Peripheral identification 0
Peripheral identification 1
Peripheral identification 2
Peripheral identification 3
GPIO PrimeCell identification 0
GPIO PrimeCell identification 1
GPIO PrimeCell identification 2
GPIO PrimeCell identification 3
October 5, 2006
page
See
126
127
128
129
130
131
132
133
134
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