LM3S101-IRN20 ETC2 [List of Unclassifed Manufacturers], LM3S101-IRN20 Datasheet - Page 98
LM3S101-IRN20
Manufacturer Part Number
LM3S101-IRN20
Description
Microcontroller
Manufacturer
ETC2 [List of Unclassifed Manufacturers]
Datasheet
1.LM3S101-IRN20.pdf
(300 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LM3S101-IRN20C0X
Manufacturer:
LUMINARYM
Quantity:
20 000
- Current page: 98 of 300
- Download datasheet (2Mb)
General-Purpose Input/Outputs (GPIOs)
8.1
Figure 8-1. GPIO Module Block Diagram
8.2
98
Block Diagram
Functional Description
Important:
Each GPIO port is a separate hardware instantiation of the same physical block (see Figure 8-2).
The LM3S101 microcontroller contains three ports and thus three of these physical GPIO blocks.
All GPIO pins are inputs by default (GPIODIR=0 and GPIOAFSEL=0), with the
exception of the five JTAG pins (PB7 and PC[3:0]. The JTAG pins default to their
JTAG functionality (GPIOAFSEL=1). Asserting a Power-On-Reset (POR) or an
external reset (RST) puts both groups of pins back to their default state.
PA0
PA1
PA2
PA3
PA4
PA5
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
PC0
PC1
PC2
PC3
Preliminary
U0Rx
U0Tx
SSIClk
SSIFss
CCP0
32KHz
C0-
C0o/C1-
C0+
SSIRx
SSITx
TCK/SWCLK
TMS/SWDIO
TDI
TDO/SWO
UART0
Comparators
SSI
Timer 0
Timer 1
JTAG
Analog
TRST
October 5, 2006
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