LM3S1651 Datasheet, PDF (909/1033 Pages) Texas Instruments – ARM and Thumb are registered trademarks and Cortex is a trademark

Stellaris^® LM3S1651 Microcontroller
Table 21-2. Signals by Pin Number (continued)
Pin Number
Pin Name
Pin Type Buffer Type^a Description
PC5
I/O
TTL
GPIO port C bit 5.
C0o
O
TTL
Analog comparator 0 output.
C1+
I
Analog Analog comparator 1 positive input.
24
C1o
O
TTL
Analog comparator 1 output.
CCP1
I/O
TTL
Capture/Compare/PWM 1.
CCP3
I/O
TTL
Capture/Compare/PWM 3.
Fault2
I
TTL
PWM Fault 2.
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.
25
CCP4
I/O
TTL
Capture/Compare/PWM 4.
CCP5
I/O
TTL
Capture/Compare/PWM 5.
PhA0
I
TTL
QEI module 0 phase A.
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.
30
I2S0TXSCK
I/O
TTL
I²S module 0 transmit clock.
SSI0Rx
I
TTL
SSI module 0 receive.
PA5
I/O
TTL
GPIO port A bit 5.
31
I2S0TXWS
I/O
TTL
I²S module 0 transmit word select.
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.
January 21, 2012
909
Texas Instruments-Production Data