LM3S1G21 Datasheet, PDF (839/955 Pages) Texas Instruments – Stellaris® LM3S1G21 Microcontroller

Stellaris^® LM3S1G21 Microcontroller
Table 19-2. Signals by Pin Number (continued)
Pin Number
Pin Name
Pin Type Buffer Type^a Description
PD1
I/O
TTL
GPIO port D bit 1.
CCP2
I/O
TTL
Capture/Compare/PWM 2.
CCP7
I/O
TTL
Capture/Compare/PWM 7.
11
U1DCD
I
TTL
UART module 1 Data Carrier Detect modem status input signal.
U1Tx
O
TTL
UART module 1 transmit. When in IrDA mode, this signal has IrDA
modulation.
U2Tx
O
TTL
UART module 2 transmit. When in IrDA mode, this signal has IrDA
modulation.
PD2
I/O
TTL
GPIO port D bit 2.
CCP5
I/O
TTL
Capture/Compare/PWM 5.
12
CCP6
I/O
TTL
Capture/Compare/PWM 6.
EPI0S20
I/O
TTL
EPI module 0 signal 20.
U1Rx
I
TTL
UART module 1 receive. When in IrDA mode, this signal has IrDA
modulation.
PD3
I/O
TTL
GPIO port D bit 3.
CCP0
I/O
TTL
Capture/Compare/PWM 0.
13
CCP7
I/O
TTL
Capture/Compare/PWM 7.
EPI0S21
I/O
TTL
EPI module 0 signal 21.
U1Tx
O
TTL
UART module 1 transmit. When in IrDA mode, this signal has IrDA
modulation.
PJ0
I/O
TTL
GPIO port J bit 0.
14
EPI0S16
I/O
TTL
EPI module 0 signal 16.
I2C1SCL
I/O
OD
I²C module 1 clock.
PH7
I/O
TTL
GPIO port H bit 7.
15
EPI0S27
I/O
TTL
EPI module 0 signal 27.
SSI1Tx
O
TTL
SSI module 1 transmit.
16
PG3
I/O
TTL
GPIO port G bit 3.
17
PG2
I/O
TTL
GPIO port G bit 2.
PG1
I/O
TTL
GPIO port G bit 1.
EPI0S14
I/O
TTL
EPI module 0 signal 14.
18
I2C1SDA
I/O
OD
I²C module 1 data.
U2Tx
O
TTL
UART module 2 transmit. When in IrDA mode, this signal has IrDA
modulation.
PG0
I/O
TTL
GPIO port G bit 0.
EPI0S13
I/O
TTL
EPI module 0 signal 13.
19
I2C1SCL
I/O
OD
I²C module 1 clock.
U2Rx
I
TTL
UART module 2 receive. When in IrDA mode, this signal has IrDA
modulation.
20
VDD
-
Power Positive supply for I/O and some logic.
21
GND
-
Power Ground reference for logic and I/O pins.
January 22, 2012
839
Texas Instruments-Production Data