LM3S5G51 Datasheet, PDF(1118/1266 Page) Texas Instruments – Stellaris® LM3S5G51 Microcontroller

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LM3S5G51 Datasheet, PDF (1118/1266 Pages) Texas Instruments – Stellaris® LM3S5G51 Microcontroller

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Signal Tables

Table 23-2. Signals by Pin Number (continued)

Pin Number

Pin Name

Pin Type Buffer Typea Description

PA4

I/O

TTL

GPIO port A bit 4.

CAN0Rx

I

TTL

CAN module 0 receive.

30

I2S0TXSCK

I/O

TTL

I2S module 0 transmit clock.

SSI0Rx

I

TTL

SSI module 0 receive.

PA5

I/O

TTL

GPIO port A bit 5.

CAN0Tx

O

TTL

CAN module 0 transmit.

31

I2S0TXWS

I/O

TTL

I2S module 0 transmit word select.

SSI0Tx

O

TTL

SSI module 0 transmit.

32

VDD

-

Power Positive supply for I/O and some logic.

33

GND

-

Power Ground reference for logic and I/O pins.

PA6

I/O

TTL

GPIO port A bit 6.

CAN0Rx

I

TTL

CAN module 0 receive.

CCP1

I/O

TTL

Capture/Compare/PWM 1.

I2C1SCL

I/O

OD

I2C module 1 clock.

34

PWM0

O

TTL

PWM 0. This signal is controlled by PWM Generator 0.

PWM4

O

TTL

PWM 4. This signal is controlled by PWM Generator 2.

U1CTS

I

TTL

UART module 1 Clear To Send modem flow control input signal.

USB0EPEN

O

TTL

Optionally used in Host mode to control an external power source

to supply power to the USB bus.

PA7

I/O

TTL

GPIO port A bit 7.

CAN0Tx

O

TTL

CAN module 0 transmit.

CCP3

I/O

TTL

Capture/Compare/PWM 3.

CCP4

I/O

TTL

Capture/Compare/PWM 4.

35

I2C1SDA

I/O

OD

I2C module 1 data.

PWM1

O

TTL

PWM 1. This signal is controlled by PWM Generator 0.

PWM5

O

TTL

PWM 5. This signal is controlled by PWM Generator 2.

U1DCD

I

TTL

UART module 1 Data Carrier Detect modem status input signal.

USB0PFLT

I

TTL

Optionally used in Host mode by an external power source to

indicate an error state by that power source.

PG7

I/O

TTL

GPIO port G bit 7.

36

CCP5

I/O

TTL

Capture/Compare/PWM 5.

PhB1

I

TTL

QEI module 1 phase B.

PG6

I/O

TTL

GPIO port G bit 6.

Fault1

I

TTL

PWM Fault 1.

37

I2S0RXWS

I/O

TTL

I2S module 0 receive word select.

PhA1

I

TTL

QEI module 1 phase A.

U1RI

I

TTL

UART module 1 Ring Indicator modem status input signal.

VDDC

38

-

Power Positive supply for most of the logic function, including the

processor core and most peripherals. The voltage on this pin is

1.3 V and is supplied by the on-chip LDO. The VDDC pins should

only be connected to the LDO pin and an external capacitor as

specified in Table 25-6 on page 1191.

1118

Texas Instruments-Production Data

January 23, 2012

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