LM3S1621 Datasheet, PDF (832/947 Pages) Texas Instruments – ARM and Thumb are registered trademarks and Cortex is a trademark

Signal Tables
Table 19-2. Signals by Pin Number (continued)
Pin Number
Pin Name
Pin Type Buffer Type^a Description
PC7
I/O
TTL
GPIO port C bit 7.
C1o
O
TTL
Analog comparator 1 output.
CCP0
I/O
TTL
Capture/Compare/PWM 0.
22
CCP4
I/O
TTL
Capture/Compare/PWM 4.
EPI0S5
I/O
TTL
EPI module 0 signal 5.
U1Tx
O
TTL
UART module 1 transmit. When in IrDA mode, this signal has IrDA
modulation.
PC6
I/O
TTL
GPIO port C bit 6.
CCP0
I/O
TTL
Capture/Compare/PWM 0.
23
CCP3
I/O
TTL
Capture/Compare/PWM 3.
EPI0S4
I/O
TTL
EPI module 0 signal 4.
U1Rx
I
TTL
UART module 1 receive. When in IrDA mode, this signal has IrDA
modulation.
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.
EPI0S3
I/O
TTL
EPI module 0 signal 3.
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.
EPI0S2
I/O
TTL
EPI module 0 signal 2.
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.
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.
832
January 21, 2012
Texas Instruments-Production Data