LM3S1439_16 Datasheet, PDF (616/699 Pages) Texas Instruments – Stellaris LM3S1439 Microcontroller

Signal Tables
Table 19-1. Signals by Pin Number (continued)
Pin Number
Pin Name
Pin Type Buffer Type^a Description
PD3
I/O
TTL
GPIO port D bit 3.
13
U1Tx
O
TTL
UART module 1 transmit. When in IrDA mode, this signal has IrDA
modulation.
14
VDD25
-
Power Positive supply for most of the logic function, including the
processor core and most peripherals.
15
GND
-
Power Ground reference for logic and I/O pins.
16
PG3
I/O
TTL
GPIO port G bit 3.
17
PG2
I/O
TTL
GPIO port G bit 2.
18
PG1
I/O
TTL
GPIO port G bit 1.
19
PG0
I/O
TTL
GPIO port G bit 0.
20
VDD
-
Power Positive supply for I/O and some logic.
21
GND
-
Power Ground reference for logic and I/O pins.
PC7
I/O
TTL
GPIO port C bit 7.
22
PhB0
I
TTL
QEI module 0 phase B.
PC6
I/O
TTL
GPIO port C bit 6.
23
CCP3
I/O
TTL
Capture/Compare/PWM 3.
PC5
I/O
TTL
GPIO port C bit 5.
24
C0o
O
TTL
Analog comparator 0 output.
PC4
I/O
TTL
GPIO port C bit 4.
25
PhA0
I
TTL
QEI module 0 phase A.
PA0
I/O
TTL
GPIO port A bit 0.
26
U0Rx
I
TTL
UART module 0 receive. When in IrDA mode, this signal has IrDA
modulation.
PA1
I/O
TTL
GPIO port A bit 1.
27
U0Tx
O
TTL
UART module 0 transmit. When in IrDA mode, this signal has IrDA
modulation.
PA2
I/O
TTL
GPIO port A bit 2.
28
SSI0Clk
I/O
TTL
SSI module 0 clock.
PA3
I/O
TTL
GPIO port A bit 3.
29
SSI0Fss
I/O
TTL
SSI module 0 frame signal.
PA4
I/O
TTL
GPIO port A bit 4.
30
SSI0Rx
I
TTL
SSI module 0 receive.
PA5
I/O
TTL
GPIO port A bit 5.
31
SSI0Tx
O
TTL
SSI module 0 transmit.
32
VDD
-
Power Positive supply for I/O and some logic.
33
GND
-
Power Ground reference for logic and I/O pins.
PA6
I/O
TTL
GPIO port A bit 6.
34
CCP1
I/O
TTL
Capture/Compare/PWM 1.
PA7
I/O
TTL
GPIO port A bit 7.
35
CCP4
I/O
TTL
Capture/Compare/PWM 4.
36
NC
-
-
No connect. Leave the pin electrically unconnected/isolated.
37
NC
-
-
No connect. Leave the pin electrically unconnected/isolated.
616
July 15, 2014
Texas Instruments-Production Data