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LM3S5G51 Datasheet, PDF (1156/1266 Pages) Texas Instruments – Stellaris® LM3S5G51 Microcontroller
Signal Tables
Table 23-7. Signals by Pin Number (continued)
Pin Number
Pin Name
Pin Type Buffer Typea Description
PG0
I2C1SCL
I/O
TTL
GPIO port G bit 0.
I/O
OD
I2C module 1 clock.
PWM0
O
TTL
PWM 0. This signal is controlled by PWM Generator 0.
K1
PWM4
U2Rx
O
TTL
PWM 4. This signal is controlled by PWM Generator 2.
I
TTL
UART module 2 receive. When in IrDA mode, this signal has IrDA
modulation.
USB0EPEN
O
TTL
Optionally used in Host mode to control an external power source
to supply power to the USB bus.
PG1
I2C1SDA
I/O
TTL
GPIO port G bit 1.
I/O
OD
I2C module 1 data.
K2
PWM1
PWM5
O
TTL
PWM 1. This signal is controlled by PWM Generator 0.
O
TTL
PWM 5. This signal is controlled by PWM Generator 2.
U2Tx
O
TTL
UART module 2 transmit. When in IrDA mode, this signal has IrDA
modulation.
PG4
I/O
TTL
GPIO port G bit 4.
CCP3
I/O
TTL
Capture/Compare/PWM 3.
K3
Fault1
I
TTL
PWM Fault 1.
U1RI
I
TTL
UART module 1 Ring Indicator modem status input signal.
PF7
I/O
TTL
GPIO port F bit 7.
CCP4
I/O
TTL
Capture/Compare/PWM 4.
K4
Fault1
I
TTL
PWM Fault 1.
PhB0
I
TTL
QEI module 0 phase B.
K5
GND
-
Power Ground reference for logic and I/O pins.
PJ2
I/O
TTL
GPIO port J bit 2.
K6
CCP0
I/O
TTL
Capture/Compare/PWM 0.
Fault0
I
TTL
PWM Fault 0.
K7
VDD
-
Power Positive supply for I/O and some logic.
K8
VDD
-
Power Positive supply for I/O and some logic.
K9
VDD
-
Power Positive supply for I/O and some logic.
K10
GND
-
Power Ground reference for logic and I/O pins.
XOSC0
K11
I
Analog Hibernation module oscillator crystal input or an external clock
reference input. Note that this is either a 4.194304-MHz crystal or
a 32.768-kHz oscillator for the Hibernation module RTC. See the
CLKSEL bit in the HIBCTL register.
K12
XOSC1
O
Analog Hibernation module oscillator crystal output. Leave unconnected
when using a single-ended clock source.
PC4
I/O
TTL
GPIO port C bit 4.
CCP1
I/O
TTL
Capture/Compare/PWM 1.
CCP2
I/O
TTL
Capture/Compare/PWM 2.
L1
CCP4
I/O
TTL
Capture/Compare/PWM 4.
CCP5
I/O
TTL
Capture/Compare/PWM 5.
PhA0
I
TTL
QEI module 0 phase A.
1156
Texas Instruments-Production Data
January 23, 2012