LM3S300 Luminary Micro, Inc, LM3S300 Datasheet - Page 347

• Manufacturer Part Number: LM3S300
• Description: Lm3s300 Arm Microcontroller
• Manufacturer: Luminary Micro, Inc

June 04, 2008
Table 16-4. GPIO Pins and Alternate Functions
Power
SSI
System Control &
Clocks
UART
Function
GPIO Pin
PA0
PA1
PA2
PA3
PA4
PA5
PB0
PB1
PB2
PB3
PB4
PB5
TDO
TMS
GND
GND
GND
GND
LDO
VDD
VDD
VDD
VDD
SSIClk
SSIFss
SSIRx
SSITx
OSC0
OSC1
RST
TRST
U0Rx
U0Tx
U1Rx
U1Tx
Pin Name
Number
Pin
37
39
16
24
31
15
23
32
19
20
21
22
10
41
17
18
27
28
8
6
7
9
5
Pin Number
17
18
19
20
21
22
29
30
33
34
44
43
Preliminary
Pin Type
I/O
I/O
I/O
O
O
O
O
O
-
-
-
-
-
-
-
-
-
I
I
I
I
I
I
Analog
Analog
Buffer
Power
Power
Power
Power
Power
Power
Power
Power
Power
Type
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
Multiplexed Function
JTAG TDO and SWO
JTAG TMS and SWDIO
Ground reference for logic and I/O pins.
Ground reference for logic and I/O pins.
Ground reference for logic and I/O pins.
Ground reference for logic and I/O pins.
Low drop-out regulator output voltage. This pin
requires an external capacitor between the pin and
GND of 1 µF or greater.
Positive supply for I/O and some logic.
Positive supply for I/O and some logic.
Positive supply for I/O and some logic.
Positive supply for I/O and some logic.
SSI clock
SSI frame
SSI module 0 receive
SSI module 0 transmit
Main oscillator crystal input or an external clock
reference input.
Main oscillator crystal output.
System reset input.
JTAG TRSTn
UART module 0 receive
UART module 0 transmit
UART module 1 receive. When in IrDA mode, this
signal has IrDA modulation.
UART module 1 transmit. When in IrDA mode, this
signal has IrDA modulation.
SSIClk
SSIFss
I2CSCL
I2CSDA
SSIRx
SSITx
U0Rx
U0Tx
C0-
C1-
Description
LM3S300 Microcontroller
Multiplexed Function
347