LM3S2776 Datasheet, PDF (710/785 Pages) Texas Instruments – Stellaris® LM3S2776 Microcontroller

Signal Tables
Table 19-1. Signals by Pin Number (continued)
Pin Number
Pin Name
Pin Type Buffer Type^a Description
PC6
I/O
TTL
GPIO port C bit 6.
15
PWM7
O
TTL
PWM 7. This signal is controlled by PWM Generator 3.
PC7
I/O
TTL
GPIO port C bit 7.
16
CCP0
I/O
TTL
Capture/Compare/PWM 0.
PA0
I/O
TTL
GPIO port A bit 0.
17
U0Rx
I
TTL
UART module 0 receive. When in IrDA mode, this signal has IrDA
modulation.
PA1
I/O
TTL
GPIO port A bit 1.
18
U0Tx
O
TTL
UART module 0 transmit. When in IrDA mode, this signal has IrDA
modulation.
PA2
I/O
TTL
GPIO port A bit 2.
19
SSI0Clk
I/O
TTL
SSI module 0 clock.
PA3
I/O
TTL
GPIO port A bit 3.
20
SSI0Fss
I/O
TTL
SSI module 0 frame.
PA4
I/O
TTL
GPIO port A bit 4.
21
SSI0Rx
I
TTL
SSI module 0 receive.
PA5
I/O
TTL
GPIO port A bit 5.
22
SSI0Tx
O
TTL
SSI module 0 transmit.
23
VDD25
-
Power Positive supply for most of the logic function, including the
processor core and most peripherals.
24
GND
-
Power Ground reference for logic and I/O pins.
PA6
I/O
TTL
GPIO port A bit 6.
25
PWM4
O
TTL
PWM 4. This signal is controlled by PWM Generator 2.
PA7
I/O
TTL
GPIO port A bit 7.
26
PWM5
O
TTL
PWM 5. This signal is controlled by PWM Generator 2.
PB3
I/O
TTL
GPIO port B bit 3.
27
I2C0SDA
I/O
OD
I²C module 0 data.
28
VDD
-
Power Positive supply for I/O and some logic.
29
GND
-
Power Ground reference for logic and I/O pins.
30
OSC0
I
Analog Main oscillator crystal input or an external clock reference input.
31
OSC1
O
Analog Main oscillator crystal output. Leave unconnected when using a
single-ended clock source.
32
WAKE
I
TTL
An external input that brings the processor out of Hibernate mode
when asserted.
33
HIB
O
OD
An output that indicates the processor is in Hibernate mode.
XOSC0
34
I
Analog Hibernation module oscillator crystal input or an external clock
reference input. Note that this is either a crystal or a 32.768-kHz
oscillator for the Hibernation module RTC.
35
XOSC1
O
Analog Hibernation module oscillator crystal output. Leave unconnected
when using a single-ended clock source.
36
GND
-
Power Ground reference for logic and I/O pins.
VBAT
37
-
Power Power source for the Hibernation module. It is normally connected
to the positive terminal of a battery and serves as the battery
backup/Hibernation module power-source supply.
710
November 17, 2011
Texas Instruments-Production Data