LM3S1937 Datasheet, PDF(610/673 Page) Texas Instruments – Stellaris® LM3S1937 Microcontroller

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LM3S1937 Datasheet, PDF (610/673 Pages) Texas Instruments – Stellaris® LM3S1937 Microcontroller

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Signal Tables

Table 18-5. Signals by Pin Number (continued)

Pin Number

Pin Name

Pin Type Buffer Typea Description

K6

GND

-

Power Ground reference for logic and I/O pins.

K7

VDD33

-

Power Positive supply for I/O and some logic.

K8

VDD33

-

Power Positive supply for I/O and some logic.

K9

VDD33

-

Power Positive supply for I/O and some logic.

K10

GND

-

Power Ground reference for logic and I/O pins.

XOSC0

K11

I

Analog Hibernation module oscillator crystal input or an external clock

reference input. Note that this is either a crystal or a 32.768-kHz

oscillator for the Hibernation module RTC.

K12

XOSC1

O

Analog Hibernation module oscillator crystal output. Leave unconnected

when using a single-ended clock source.

L1

PC4

I/O

TTL

GPIO port C bit 4.

L2

PC7

I/O

TTL

GPIO port C bit 7.

PA0

I/O

TTL

GPIO port A bit 0.

L3

U0Rx

I

TTL

UART module 0 receive. When in IrDA mode, this signal has IrDA

modulation.

PA3

I/O

TTL

GPIO port A bit 3.

L4

SSI0Fss

I/O

TTL

SSI module 0 frame signal

PA4

I/O

TTL

GPIO port A bit 4.

L5

SSI0Rx

I

TTL

SSI module 0 receive

PA6

I/O

TTL

GPIO port A bit 6.

L6

CCP1

I/O

TTL

Capture/Compare/PWM 1.

L7

PG6

I/O

TTL

GPIO port G bit 6.

L8

PF5

I/O

TTL

GPIO port F bit 5.

L9

PF4

I/O

TTL

GPIO port F bit 4.

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.

M1

PC5

I/O

TTL

GPIO port C bit 5.

PC6

I/O

TTL

GPIO port C bit 6.

M2

CCP3

I/O

TTL

Capture/Compare/PWM 3.

PA1

I/O

TTL

GPIO port A bit 1.

M3

U0Tx

O

TTL

UART module 0 transmit. When in IrDA mode, this signal has IrDA

modulation.

PA2

I/O

TTL

GPIO port A bit 2.

M4

SSI0Clk

I/O

TTL

SSI module 0 clock

PA5

I/O

TTL

GPIO port A bit 5.

M5

SSI0Tx

O

TTL

SSI module 0 transmit

M6

PA7

I/O

TTL

GPIO port A bit 7.

M7

PG5

I/O

TTL

GPIO port G bit 5.

M8

PF6

I/O

TTL

GPIO port F bit 6.

M9

PF0

I/O

TTL

GPIO port F bit 0.

610

June 18, 2012

Texas Instruments-Production Data

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