LM3S9B81 Datasheet, PDF (1055/1155 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
J2
XTALPPHY
I
Analog Ethernet PHY XTALP 25-MHz oscillator crystal input.
J3
ERBIAS
O
Analog 12.4-kΩ resistor (1% precision) used internally for Ethernet PHY.
J10
GND
-
Power Ground reference for logic and I/O pins.
J11
PF2
I/O
TTL
GPIO port F bit 2.
LED1
O
TTL
Ethernet LED 1.
SSI1Clk
I/O
TTL
SSI module 1 clock.
J12
PF3
I/O
TTL
GPIO port F bit 3.
LED0
O
TTL
Ethernet LED 0.
SSI1Fss
I/O
TTL
SSI module 1 frame.
K1
PG0
I/O
TTL
GPIO port G bit 0.
EPI0S13
I2C1SCL
I/O
TTL
EPI module 0 signal 13.
I/O
OD
I²C module 1 clock.
U2Rx
I
TTL
UART module 2 receive. When in IrDA mode, this signal has IrDA
modulation.
USB0EPEN
O
TTL
Optionally used in Host mode to control an external power source
to supply power to the USB bus.
K2
PG1
I/O
TTL
GPIO port G bit 1.
EPI0S14
I2C1SDA
I/O
TTL
EPI module 0 signal 14.
I/O
OD
I²C module 1 data.
U2Tx
O
TTL
UART module 2 transmit. When in IrDA mode, this signal has IrDA
modulation.
K3
PF5
I/O
TTL
GPIO port F bit 5.
C1o
O
TTL
Analog comparator 1 output.
CCP2
I/O
TTL
Capture/Compare/PWM 2.
EPI0S15
I/O
TTL
EPI module 0 signal 15.
SSI1Tx
O
TTL
SSI module 1 transmit.
K4
PF4
I/O
TTL
GPIO port F bit 4.
C0o
O
TTL
Analog comparator 0 output.
CCP0
I/O
TTL
Capture/Compare/PWM 0.
EPI0S12
I/O
TTL
EPI module 0 signal 12.
SSI1Rx
I
TTL
SSI module 1 receive.
K5
GND
-
Power Ground reference for logic and I/O pins.
K6
CCP0
I/O
TTL
Capture/Compare/PWM 0.
EPI0S18
I/O
TTL
EPI module 0 signal 18.
PJ2
I/O
TTL
GPIO port J bit 2.
K7
VDD
-
Power Positive supply for I/O and some logic.
K8
VDD
-
Power Positive supply for I/O and some logic.
K9
VDD
-
Power Positive supply for I/O and some logic.
K10
GND
-
Power Ground reference for logic and I/O pins.
June 29, 2010
Texas Instruments-Advance Information
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