LM3S9U81 Datasheet, PDF(1135/1277 Page) Texas Instruments – ARM and Thumb are registered trademarks and Cortex is a trademark

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LM3S9U81 Datasheet, PDF (1135/1277 Pages) Texas Instruments – ARM and Thumb are registered trademarks and Cortex is a trademark

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StellarisÂ® LM3S9U81 Microcontroller

Table 22-2. Signals by Pin Number (continued)

Pin Number

Pin Name

Pin Type Buffer Typea Description

PD7

I/O

TTL

GPIO port D bit 7.

AIN4

I

Analog Analog-to-digital converter input 4.

C0o

O

TTL

Analog comparator 0 output.

100

CCP1

I/O

TTL

Capture/Compare/PWM 1.

EPI0S30

I2S0TXWS

I/O

TTL

EPI module 0 signal 30.

I/O

TTL

I2S module 0 transmit word select.

U1DTR

O

TTL

UART module 1 Data Terminal Ready modem status input signal.

a. The TTL designation indicates the pin has TTL-compatible voltage levels.

Table 22-3. Signals by Signal Name

Pin Name

AIN0

AIN1

AIN2

AIN3

AIN4

AIN5

AIN6

AIN7

AIN8

AIN9

AIN10

AIN11

AIN12

AIN13

AIN14

AIN15

C0+

C0-

C0o

C1+

C1-

C1o

C2+

C2-

Pin Number Pin Mux / Pin

Assignment

1

PE7

2

PE6

5

PE5

6

PE4

100

PD7

99

PD6

98

PD5

97

PD4

96

PE3

95

PE2

92

PB4

91

PB5

13

PD3

12

PD2

11

PD1

10

PD0

90

PB6

92

PB4

24

PC5 (3)

42

PF4 (2)

90

PB6 (3)

91

PB5 (1)

100

PD7 (2)

24

PC5

91

PB5

2

PE6 (2)

22

PC7 (7)

24

PC5 (2)

41

PF5 (2)

84

PH2 (2)

23

PC6

22

PC7

Pin Type

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

O

I

I

O

I

I

Buffer Typea Description

Analog

Analog

Analog

Analog

Analog

Analog

Analog

Analog

Analog

Analog

Analog

Analog

Analog

Analog

Analog

Analog

Analog

Analog

TTL

Analog-to-digital converter input 0.

Analog-to-digital converter input 1.

Analog-to-digital converter input 2.

Analog-to-digital converter input 3.

Analog-to-digital converter input 4.

Analog-to-digital converter input 5.

Analog-to-digital converter input 6.

Analog-to-digital converter input 7.

Analog-to-digital converter input 8.

Analog-to-digital converter input 9.

Analog-to-digital converter input 10.

Analog-to-digital converter input 11.

Analog-to-digital converter input 12.

Analog-to-digital converter input 13.

Analog-to-digital converter input 14.

Analog-to-digital converter input 15.

Analog comparator 0 positive input.

Analog comparator 0 negative input.

Analog comparator 0 output.

Analog

Analog

TTL

Analog comparator 1 positive input.

Analog comparator 1 negative input.

Analog comparator 1 output.

Analog

Analog

Analog comparator 2 positive input.

Analog comparator 2 negative input.

January 23, 2012

Texas Instruments-Production Data

1135

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