LM3S1651 Datasheet, PDF(946/1033 Page) Texas Instruments – ARM and Thumb are registered trademarks and Cortex is a trademark

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LM3S1651 Datasheet, PDF (946/1033 Pages) Texas Instruments – ARM and Thumb are registered trademarks and Cortex is a trademark

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Signal Tables

Table 21-7. Signals by Pin Number (continued)

Pin Number

Pin Name

Pin Type Buffer Typea Description

PF4

I/O

TTL

GPIO port F bit 4.

C0o

O

TTL

Analog comparator 0 output.

L9

CCP0

I/O

TTL

Capture/Compare/PWM 0.

Fault0

I

TTL

PWM Fault 0.

SSI1Rx

I

TTL

SSI module 1 receive.

L10

GND

-

Power Ground reference for logic and I/O pins.

L11

OSC0

I

Analog Main oscillator crystal input or an external clock reference input.

VBAT

L12

-

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.

PC5

I/O

TTL

GPIO port C bit 5.

C0o

O

TTL

Analog comparator 0 output.

C1+

I

Analog Analog comparator 1 positive input.

M1

C1o

O

TTL

Analog comparator 1 output.

CCP1

I/O

TTL

Capture/Compare/PWM 1.

CCP3

I/O

TTL

Capture/Compare/PWM 3.

Fault2

I

TTL

PWM Fault 2.

PC6

I/O

TTL

GPIO port C bit 6.

CCP0

I/O

TTL

Capture/Compare/PWM 0.

M2

CCP3

I/O

TTL

Capture/Compare/PWM 3.

PhB0

I

TTL

QEI module 0 phase B.

U1Rx

I

TTL

UART module 1 receive. When in IrDA mode, this signal has IrDA

modulation.

PA1

I2C1SDA

I/O

TTL

GPIO port A bit 1.

I/O

OD

I2C module 1 data.

M3

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.

PA2

I/O

TTL

GPIO port A bit 2.

I2S0RXSD

I/O

TTL

I2S module 0 receive data.

M4

PWM4

O

TTL

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

SSI0Clk

I/O

TTL

SSI module 0 clock.

PA5

I/O

TTL

GPIO port A bit 5.

M5

I2S0TXWS

I/O

TTL

I2S module 0 transmit word select.

SSI0Tx

O

TTL

SSI module 0 transmit.

PA7

I/O

TTL

GPIO port A bit 7.

CCP3

I/O

TTL

Capture/Compare/PWM 3.

CCP4

I/O

TTL

Capture/Compare/PWM 4.

M6

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.

946

January 21, 2012

Texas Instruments-Production Data

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