LM3S5D91 Datasheet, PDF (1178/1340 Pages) Texas Instruments – Stellaris® LM3S5D91 Microcontroller

Signal Tables
Table 23-2. Signals by Pin Number (continued)
Pin Number
Pin Name
Pin Type Buffer Type^a Description
PA0
I2C1SCL
I/O
TTL
GPIO port A bit 0.
I/O
OD
I²C module 1 clock.
26
U0Rx
I
TTL
UART module 0 receive. When in IrDA mode, this signal has IrDA
modulation.
U1Rx
I
TTL
UART module 1 receive. When in IrDA mode, this signal has IrDA
modulation.
PA1
I2C1SDA
I/O
TTL
GPIO port A bit 1.
I/O
OD
I²C module 1 data.
27
U0Tx
O
TTL
UART module 0 transmit. When in IrDA mode, this signal has IrDA
modulation.
U1Tx
O
TTL
UART module 1 transmit. When in IrDA mode, this signal has IrDA
modulation.
PA2
I/O
TTL
GPIO port A bit 2.
I2S0RXSD
I/O
TTL
I²S module 0 receive data.
28
PWM4
O
TTL
PWM 4. This signal is controlled by PWM Generator 2.
SSI0Clk
I/O
TTL
SSI module 0 clock.
PA3
I/O
TTL
GPIO port A bit 3.
I2S0RXMCLK
I/O
TTL
I²S module 0 receive master clock.
29
PWM5
O
TTL
PWM 5. This signal is controlled by PWM Generator 2.
SSI0Fss
I/O
TTL
SSI module 0 frame.
PA4
I/O
TTL
GPIO port A bit 4.
CAN0Rx
I
TTL
CAN module 0 receive.
30
I2S0TXSCK
I/O
TTL
I²S module 0 transmit clock.
PWM6
O
TTL
PWM 6. This signal is controlled by PWM Generator 3.
SSI0Rx
I
TTL
SSI module 0 receive.
PA5
I/O
TTL
GPIO port A bit 5.
CAN0Tx
O
TTL
CAN module 0 transmit.
31
I2S0TXWS
I/O
TTL
I²S module 0 transmit word select.
PWM7
O
TTL
PWM 7. This signal is controlled by PWM Generator 3.
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.
CAN0Rx
I
TTL
CAN module 0 receive.
CCP1
I/O
TTL
Capture/Compare/PWM 1.
I2C1SCL
I/O
OD
I²C module 1 clock.
34
PWM0
O
TTL
PWM 0. This signal is controlled by PWM Generator 0.
PWM4
O
TTL
PWM 4. This signal is controlled by PWM Generator 2.
U1CTS
I
TTL
UART module 1 Clear To Send modem flow control input signal.
USB0EPEN
O
TTL
Optionally used in Host mode to control an external power source
to supply power to the USB bus.
1178
Texas Instruments-Production Data
January 22, 2012