September 5, 2010
37
Stellaris® LM3S9B96 Development Board
Microcontroller GPIO Assignments
Table D-1 shows the pin assignments for the LM3S9B96 microcontroller.
Table D-1. Microcontroller GPIO Assignments
LM3S9B96 GPIO Pin
Development Board Use
Number
Description
Default Function
Default Use
Alt. Function
Alternate Use
26
PA0
U0Rx
Virtual Com Port
27
PA1
U0Tx
Virtual Com Port
28
PA2
SSI0Clk
SPI
29
PA3
SSI0Fss
SD Card CSn
30
PA4
SSI0Rx
SPI
31
PA5
SSI0Tx
SPI
34
PA6
USB0EPEN
USB Pwr Enable
CAN0RX
35
PA7
USB0PFLT
USB Pwr Fault
CAN0TX
66
PB0
USB0ID
USB OTG ID
67
PB1
USB0VBUS
USB Vbus
72
PB2
I2C0SCL
Audio I2C
65
PB3
I2C0SDA
Audio I2C
92
PB4
ADC10
Potentiometer
EPI0S23
EPI Breakout
91
PB5
PB5
LCD RDn
EPI0S22
EPI Breakout
90
PB6
PB6
I2STXSCK
AVREF
Ext Volt Ref
89
PB7
PB7
LCD RST
80
PC0
TCK/SWCLK
JTAG
79
PC1
TMS/SWDIO
JTAG
78
PC2
TDI
JTAG
77
PC3
TDO/SWO
JTAG
25
PC4
EPI0S2
SDRAM D02
EPI0S02
24
PC5
EPI0S3
SDRAM D03
EPI0S03
23
PC6
EPI0S4
SDRAM D04
EPI0S04
22
PC7
EPI0S5
SDRAM D05
EPI0S05
A P P E N D I X D
Summary of Contents for Stellaris LM3S9B96
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