LM3S101 Datasheet, PDF (201/445 Pages) List of Unclassifed Manufacturers – Microcontroller

Stellaris^® LM3S101 Microcontroller
four JTAG/SWD pins (shown in the table below). A Power-On-Reset (POR) or asserting
RST puts the pins back to their default state.
Table 7-1. GPIO Pins With Non-Zero Reset Values
GPIO Pins
PA[1:0]
PA[5:2]
PC[3:0]
Default State
UART0
SSI0
JTAG/SWD
GPIOAFSEL GPIODEN GPIOPDR GPIOPUR
1
1
0
0
1
1
0
0
1
1
0
1
GPIOPCTL
0x1
0x1
0x3
Table 7-2. GPIO Pins and Alternate Functions (28SOIC)
IO
Pin Number
Multiplexed Function
PA0
11
U0Rx
PA1
12
U0Tx
PA2
13
SSIClk
PA3
14
SSIFss
PA4
15
SSIRx
PA5
16
SSITx
PB0
19
CCP0
PB1
20
32KHz
PB2
23
PB3
24
PB4
4
C0-
PB5
3
C1-
PB6
2
C0+
PB7
1
TRST
PC0
28
TCK
PC1
27
TMS
PC2
26
TDI
PC3
25
TDO
Table 7-3. GPIO Pins and Alternate Functions (48QFP)
IO
Pin Number
Multiplexed Function
PA0
17
U0Rx
PA1
18
U0Tx
PA2
19
SSIClk
PA3
20
SSIFss
PA4
21
SSIRx
PA5
22
SSITx
PB0
29
CCP0
PB1
30
32KHz
PB2
33
PB3
34
PB4
44
C0-
Multiplexed Function
C0o
SWCLK
SWDIO
SWO
Multiplexed Function
July 14, 2014
201
Texas Instruments-Production Data