LM3S9U92 Datasheet, PDF (1284/1407 Pages) Texas Instruments – ARM and Thumb are registered trademarks and Cortex is a trademark

Signal Tables
Table 24-7. Signals by Pin Number (continued)
Pin Number
Pin Name
Pin Type Buffer Type^a Description
H11
RST
I
TTL
System reset input.
PF1
I/O
TTL
GPIO port F bit 1.
CAN1Tx
O
TTL
CAN module 1 transmit.
CCP3
I/O
TTL
Capture/Compare/PWM 3.
H12
I2S0TXMCLK
I/O
TTL
I²S module 0 transmit master clock.
IDX1
I
TTL
QEI module 1 index.
PWM1
O
TTL
PWM 1. This signal is controlled by PWM Generator 0.
U1RTS
O
TTL
UART module 1 Request to Send modem flow control output line.
XTALNPHY
O
Analog Ethernet PHY XTALN 25-MHz oscillator crystal output. Leave this
J1
pin unconnected when using a single-ended 25-MHz clock input
connected to the XTALPPHY pin.
J2
XTALPPHY
I
Analog Ethernet PHY XTALP 25-MHz oscillator crystal input or external
clock reference input.
J3
ERBIAS
O
Analog 12.4-kΩ resistor (1% precision) used internally for Ethernet PHY.
J10
GND
-
Power Ground reference for logic and I/O pins.
PF2
I/O
TTL
GPIO port F bit 2.
LED1
O
TTL
Ethernet LED 1.
J11
PWM2
O
TTL
PWM 2. This signal is controlled by PWM Generator 1.
PWM4
O
TTL
PWM 4. This signal is controlled by PWM Generator 2.
SSI1Clk
I/O
TTL
SSI module 1 clock.
PF3
I/O
TTL
GPIO port F bit 3.
LED0
O
TTL
Ethernet LED 0.
J12
PWM3
O
TTL
PWM 3. This signal is controlled by PWM Generator 1.
PWM5
O
TTL
PWM 5. This signal is controlled by PWM Generator 2.
SSI1Fss
I/O
TTL
SSI module 1 frame.
PG0
I/O
TTL
GPIO port G bit 0.
EPI0S13
I2C1SCL
I/O
TTL
EPI module 0 signal 13.
I/O
OD
I²C module 1 clock.
PWM0
K1
PWM4
O
TTL
PWM 0. This signal is controlled by PWM Generator 0.
O
TTL
PWM 4. This signal is controlled by PWM Generator 2.
U2Rx
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
I/O
TTL
GPIO port G bit 1.
EPI0S14
I/O
TTL
EPI module 0 signal 14.
I2C1SDA
I/O
OD
I²C module 1 data.
K2
PWM1
O
TTL
PWM 1. This signal is controlled by PWM Generator 0.
PWM5
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.
1284
Texas Instruments-Production Data
January 22, 2012