LM3S9B81 Datasheet, PDF (1057/1155 Pages) Texas Instruments – Stellaris® LM3S9B81 Microcontroller

Stellaris® LM3S9B81 Microcontroller
Table 23-7. Signals by Pin Number (continued)
Pin Number
Pin Name
Pin Type Buffer Type^a Description
L6
PA6
I/O
TTL
GPIO port A bit 6.
CAN0Rx
I
TTL
CAN module 0 receive.
CCP1
I2C1SCL
I/O
TTL
Capture/Compare/PWM 1.
I/O
OD
I²C module 1 clock.
U1CTS
I
TTL
UART module 1 Clear To Send modem status input signal.
USB0EPEN
O
TTL
Optionally used in Host mode to control an external power source
to supply power to the USB bus.
L7
RXIN
I
Analog RXIN of the Ethernet PHY.
L8
TXON
O
TTL
TXON of the Ethernet PHY.
L9
MDIO
I/O
OD
MDIO of the Ethernet PHY.
L10
CCP1
I/O
TTL
Capture/Compare/PWM 1.
EPI0S30
I/O
TTL
EPI module 0 signal 30.
PJ6
I/O
TTL
GPIO port J bit 6.
U1RTS
O
TTL
UART module 1 Request to Send modem output control line.
L11
OSC0
I
Analog Main oscillator crystal input or an external clock reference input.
L12
CCP0
I/O
TTL
Capture/Compare/PWM 0.
PJ7
I/O
TTL
GPIO port J bit 7.
U1DTR
O
TTL
UART module 1 Data Terminal Ready modem status input signal.
M1
PC5
I/O
TTL
GPIO port C bit 5.
C0o
O
TTL
Analog comparator 0 output.
C1+
I
Analog Analog comparator 1 positive input.
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.
USB0EPEN
O
TTL
Optionally used in Host mode to control an external power source
to supply power to the USB bus.
M2
PC6
I/O
TTL
GPIO port C bit 6.
C2+
I
Analog Analog comparator 2 positive input.
C2o
O
TTL
Analog comparator 2 output.
CCP0
I/O
TTL
Capture/Compare/PWM 0.
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.
USB0PFLT
I
TTL
Optionally used in Host mode by an external power source to
indicate an error state by that power source.
M3
PA1
I/O
TTL
GPIO port A bit 1.
I2C1SDA
I/O
OD
I²C module 1 data.
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.
June 29, 2010
Texas Instruments-Advance Information
1057