Stellaris® LM3S2965 Evaluation Board
January 6, 2010
17
Important: The quickstart application will not run if one or more jumpers are removed.
Interfacing to the EVB
An array of accessible I/O signals makes it easy to interface the EVB to external circuits. All
LM3S2965 I/O lines (except those with both JTAG and SWD functions) are brought out to 0.1”
pitch pads. For quick reference, silk-screened labels on the PCB show primary pin functions.
Table B-1 on page 29 has a complete list of I/O signals as well as recommended connectors.
Most LM3S2965 I/O signals are +5-V tolerant. Refer to the LM3S2965 data sheet for detailed
electrical specifications.
Using the In-Circuit Debugger Interface
The Stellaris LM3S2965 Evaluation Kit can operate as an In-Circuit Debugger Interface (ICDI).
ICDI acts as a USB to the JTAG/SWD adaptor, allowing debugging of any external target board
that uses a Stellaris microcontroller. See “Debugging Modes” on page 14 for a description of how
to enter Debug Out mode.
Table 2-2. Isolating On-Board Hardware
MCU Pin
MCU Assignment
To Isolate, Remove...
Pin 26
PA0/U0RX
Virtual COM port receive
JP1
Pin 27
PA1/U0TX
Virtual COM port transmit
JP2
Pin 16
PG3/PWM1
Sound
JP5
Pin 31
PA5/SSI0TX
OLED display data in
JP7
Pin 28
PA2/SSI0CLK
OLED display clock
JP6
Pin 22
PC7/C2-
OLED display data/control select
JP3
Pin 29
PA3/SSI0FSS
OLED display chip select
JP4
Pin 46
PF5
Down switch
JP8
Pin 43
PF6
Left switch
JP9
Pin 58
PF4
Up switch
JP10
Pin 42
PF7
Right switch
JP11
Pin 41
PG4
Select switch
JP12
Pin 47
PG2/PWM0
User LED
JP13
Pin 23
PC6/C2+
15 V
JP14