LM3S1512_16 Datasheet, PDF(595/660 Page) Texas Instruments – Stellaris LM3S1512 Microcontroller

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LM3S1512_16 Datasheet, PDF (595/660 Pages) Texas Instruments – Stellaris LM3S1512 Microcontroller

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StellarisÂ® LM3S1512 Microcontroller

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

Pin Number

Pin Name

Pin Type Buffer Typea Description

PF5

I/O

TTL

GPIO port F bit 5.

L8

C1o

O

TTL

Analog comparator 1 output.

PF4

I/O

TTL

GPIO port F bit 4.

L9

C0o

O

TTL

Analog comparator 0 output.

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.

PC5

I/O

TTL

GPIO port C bit 5.

M1

C1+

I

Analog Analog comparator 1 positive input.

PC6

I/O

TTL

GPIO port C bit 6.

M2

C2+

I

Analog Analog comparator 2 positive input.

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.

PA7

I/O

TTL

GPIO port A bit 7.

M6

I2C1SDA

I/O

OD

I2C module 1 data.

M7

PG5

I/O

TTL

GPIO port G bit 5.

PF6

I/O

TTL

GPIO port F bit 6.

M8

C2o

O

TTL

Analog comparator 2 output.

PF0

I/O

TTL

GPIO port F bit 0.

M9

PhB0

I

TTL

QEI module 0 phase B.

M10

WAKE

I

TTL

An external input that brings the processor out of Hibernate mode

when asserted.

M11

OSC1

O

Analog Main oscillator crystal output. Leave unconnected when using a

single-ended clock source.

M12

HIB

O

OD

An open-drain output with internal pull-up that indicates the

processor is in Hibernate mode.

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

18.2.2 Signals by Signal Name

Table 18-6. Signals by Signal Name

Pin Name

ADC0

ADC1

C0+

C0-

C0o

Pin Number

B1

A1

A7

A6

L9

Pin Type

I

I

I

I

O

Buffer Typea Description

Analog Analog-to-digital converter input 0.

Analog Analog-to-digital converter input 1.

Analog Analog comparator 0 positive input.

Analog Analog comparator 0 negative input.

TTL

Analog comparator 0 output.

July 15, 2014

595

Texas Instruments-Production Data

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