LM3S2637 Datasheet, PDF(606/678 Page) Texas Instruments – Stellaris® LM3S2637 Microcontroller

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LM3S2637 Datasheet, PDF (606/678 Pages) Texas Instruments – Stellaris® LM3S2637 Microcontroller

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Signal Tables

Table 18-1. Signals by Pin Number (continued)

Pin Number

Pin Name

Pin Type Buffer Typea Description

PD4

I/O

TTL

GPIO port D bit 4.

95

CCP3

I/O

TTL

Capture/Compare/PWM 3.

96

PD5

I/O

TTL

GPIO port D bit 5.

GNDA

97

-

Power The ground reference for the analog circuits (ADC, Analog

Comparators, etc.). These are separated from GND to minimize

the electrical noise contained on VDD from affecting the analog

functions.

VDDA

98

-

Power The positive supply for the analog circuits (ADC, Analog

Comparators, etc.). These are separated from VDD to minimize

the electrical noise contained on VDD from affecting the analog

functions. VDDA pins must be supplied with a voltage that meets

the specification in âRecommended DC Operating

Conditionsâ on page 628, regardless of system implementation.

99

PD6

I/O

TTL

GPIO port D bit 6.

PD7

100

C0o

I/O

TTL

GPIO port D bit 7.

O

TTL

Analog comparator 0 output.

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

18.1.2 Signals by Signal Name

Table 18-2. Signals by Signal Name

Pin Name

ADC0

ADC1

ADC2

ADC3

C0+

C0-

C0o

C1+

C1-

C1o

C2+

C2-

CAN0Rx

CAN0Tx

CCP0

CCP1

CCP2

CCP3

CCP4

CCP5

CMOD0

Pin Number

1

2

5

6

90

92

100

24

91

46

23

22

10

11

66

34

67

95

35

25

65

Pin Type

I

I

I

I

I

I

O

I

I

O

I

I

I

O

I/O

I/O

I/O

I/O

I/O

I/O

I

Buffer Typea Description

Analog Analog-to-digital converter input 0.

Analog Analog-to-digital converter input 1.

Analog Analog-to-digital converter input 2.

Analog Analog-to-digital converter input 3.

Analog Analog comparator 0 positive input.

Analog Analog comparator 0 negative input.

TTL

Analog comparator 0 output.

Analog Analog comparator 1 positive input.

Analog Analog comparator 1 negative input.

TTL

Analog comparator 1 output.

Analog Analog comparator 2 positive input.

Analog Analog comparator 2 negative input.

TTL

CAN module 0 receive.

TTL

CAN module 0 transmit.

TTL

Capture/Compare/PWM 0.

TTL

Capture/Compare/PWM 1.

TTL

Capture/Compare/PWM 2.

TTL

Capture/Compare/PWM 3.

TTL

Capture/Compare/PWM 4.

TTL

Capture/Compare/PWM 5.

TTL

CPU Mode bit 0. Input must be set to logic 0 (grounded); other

encodings reserved.

606

June 18, 2012

Texas Instruments-Production Data

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