LM3S9B81 Datasheet, PDF(1026/1155 Page) Texas Instruments – Stellaris® LM3S9B81 Microcontroller

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LM3S9B81 Datasheet, PDF (1026/1155 Pages) Texas Instruments – Stellaris® LM3S9B81 Microcontroller

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Signal Tables

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

Pin Number

Pin Name

Pin Type Buffer Typea Description

90

PB6

I/O

TTL

GPIO port B bit 6.

C0+

I

Analog Analog comparator 0 positive input.

C0o

O

TTL

Analog comparator 0 output.

CCP1

I/O

TTL

Capture/Compare/PWM 1.

CCP5

I/O

TTL

Capture/Compare/PWM 5.

CCP7

I2S0TXSCK

I/O

TTL

Capture/Compare/PWM 7.

I/O

TTL

I2S module 0 transmit clock.

VREFA

I

Analog This input provides a reference voltage used to specify the input

voltage at which the ADC converts to a maximum value. In other

words, the voltage that is applied to VREFA is the voltage with which

an AINn signal is converted to 1023. The VREFA input is limited

to the range specified in Table 25-2 on page 1082.

91

PB5

I/O

TTL

GPIO port B bit 5.

AIN11

I

Analog Analog-to-digital converter input 11.

C0o

O

TTL

Analog comparator 0 output.

C1-

I

Analog Analog comparator 1 negative input.

CAN0Tx

O

TTL

CAN module 0 transmit.

CCP0

I/O

TTL

Capture/Compare/PWM 0.

CCP2

I/O

TTL

Capture/Compare/PWM 2.

CCP5

I/O

TTL

Capture/Compare/PWM 5.

CCP6

I/O

TTL

Capture/Compare/PWM 6.

EPI0S22

I/O

TTL

EPI module 0 signal 22.

U1Tx

O

TTL

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

modulation.

92

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.

CAN0Rx

I

TTL

CAN module 0 receive.

EPI0S23

I/O

TTL

EPI module 0 signal 23.

U1Rx

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.

95

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.

CCP4

I/O

TTL

Capture/Compare/PWM 4.

EPI0S24

I/O

TTL

EPI module 0 signal 24.

SSI1Rx

I

TTL

SSI module 1 receive.

1026

Texas Instruments-Advance Information

June 29, 2010

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