LM3S1651 Datasheet, PDF(915/1033 Page) Texas Instruments – ARM and Thumb are registered trademarks and Cortex is a trademark

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LM3S1651 Datasheet, PDF (915/1033 Pages) Texas Instruments – ARM and Thumb are registered trademarks and Cortex is a trademark

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StellarisÂ® LM3S1651 Microcontroller

Table 21-2. Signals by Pin Number (continued)

Pin Number

Pin Name

Pin Type Buffer Typea Description

PB4

I/O

TTL

GPIO port B bit 4.

AIN10

I

Analog Analog-to-digital converter input 10.

C0-

I

Analog Analog comparator 0 negative input.

92

IDX0

U1Rx

I

TTL

QEI module 0 index.

I

TTL

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

modulation.

U2Rx

I

TTL

UART module 2 receive. When in IrDA mode, this signal has IrDA

modulation.

93

VDD

-

Power Positive supply for I/O and some logic.

94

GND

-

Power Ground reference for logic and I/O pins.

PE2

I/O

TTL

GPIO port E bit 2.

AIN9

I

Analog Analog-to-digital converter input 9.

CCP2

I/O

TTL

Capture/Compare/PWM 2.

95

CCP4

I/O

TTL

Capture/Compare/PWM 4.

PhA0

I

TTL

QEI module 0 phase A.

PhB1

I

TTL

QEI module 1 phase B.

SSI1Rx

I

TTL

SSI module 1 receive.

PE3

I/O

TTL

GPIO port E bit 3.

AIN8

I

Analog Analog-to-digital converter input 8.

CCP1

I/O

TTL

Capture/Compare/PWM 1.

96

CCP7

I/O

TTL

Capture/Compare/PWM 7.

PhA1

I

TTL

QEI module 1 phase A.

PhB0

I

TTL

QEI module 0 phase B.

SSI1Tx

O

TTL

SSI module 1 transmit.

PD4

I/O

TTL

GPIO port D bit 4.

AIN7

I

Analog Analog-to-digital converter input 7.

CCP0

I/O

TTL

Capture/Compare/PWM 0.

97

CCP3

I/O

TTL

Capture/Compare/PWM 3.

I2S0RXSD

I/O

TTL

I2S module 0 receive data.

U1RI

I

TTL

UART module 1 Ring Indicator modem status input signal.

PD5

I/O

TTL

GPIO port D bit 5.

AIN6

I

Analog Analog-to-digital converter input 6.

CCP2

I/O

TTL

Capture/Compare/PWM 2.

98

CCP4

I/O

TTL

Capture/Compare/PWM 4.

I2S0RXMCLK

I/O

TTL

I2S module 0 receive master clock.

U2Rx

I

TTL

UART module 2 receive. When in IrDA mode, this signal has IrDA

modulation.

January 21, 2012

915

Texas Instruments-Production Data

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