Table 17-1. Signals by Pin Number (continued)
DescriptionBuffer Type
a
Pin TypePin NamePin Number
TXON of the Ethernet PHY.AnalogOTXON46
GPIO port F bit 0.TTLI/OPF047
CAN module 1 receive.TTLICAN1Rx
Main oscillator crystal input or an external clock reference input.AnalogIOSC048
Main oscillator crystal output. Leave unconnected when using a
single-ended clock source.
AnalogOOSC149
No connect. Leave the pin electrically unconnected/isolated.--NC50
No connect. Leave the pin electrically unconnected/isolated.--NC51
No connect. Leave the pin electrically unconnected/isolated.--NC52
No connect. Leave the pin electrically unconnected/isolated.--NC53
Ground reference for logic and I/O pins.Power-GND54
Positive supply for I/O and some logic.Power-VDD55
Positive supply for I/O and some logic.Power-VDD56
Ground reference for logic and I/O pins.Power-GND57
MDIO of the Ethernet PHY.TTLI/OMDIO58
GPIO port F bit 3.TTLI/OPF359
Ethernet LED 0.TTLOLED0
GPIO port F bit 2.TTLI/OPF260
Ethernet LED 1.TTLOLED1
GPIO port F bit 1.TTLI/OPF161
CAN module 1 transmit.TTLOCAN1Tx
Positive supply for most of the logic function, including the
processor core and most peripherals.
Power-VDD2562
Ground reference for logic and I/O pins.Power-GND63
System reset input.TTLIRST64
CPU Mode bit 0. Input must be set to logic 0 (grounded); other
encodings reserved.
TTLICMOD065
GPIO port B bit 0.TTLI/OPB066
Capture/Compare/PWM 0.TTLI/OCCP0
GPIO port B bit 1.TTLI/OPB167
Positive supply for I/O and some logic.Power-VDD68
Ground reference for logic and I/O pins.Power-GND69
GPIO port B bit 2.TTLI/OPB270
I
2
C module 0 clock.ODI/OI2C0SCL
GPIO port B bit 3.TTLI/OPB371
I
2
C module 0 data.ODI/OI2C0SDA
GPIO port E bit 0.TTLI/OPE072
SSI module 1 clock.TTLI/OSSI1Clk
GPIO port E bit 1.TTLI/OPE173
SSI module 1 frame.TTLI/OSSI1Fss
GPIO port E bit 2.TTLI/OPE274
SSI module 1 receive.TTLISSI1Rx
463June 22, 2010
Texas Instruments-Production Data
Stellaris® LM3S8530 Microcontroller