LM3S5956-IQR80-C1 Datasheet, PDF(1048/1144 Page) Texas Instruments – Stellaris® LM3S5956 Microcontroller

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LM3S5956-IQR80-C1 Datasheet, PDF (1048/1144 Pages) Texas Instruments – Stellaris® LM3S5956 Microcontroller

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Signal Tables

NRND: Not recommended for new designs.

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

Pin Number

Pin Name

Pin Type Buffer Typea Description

PC0

I/O

TTL

GPIO port C bit 0.

52

SWCLK

I

TTL

JTAG/SWD CLK.

TCK

I

TTL

JTAG/SWD CLK.

53

GND

-

Power Ground reference for logic and I/O pins.

VDDC

54

-

Power Positive supply for most of the logic function, including the

processor core and most peripherals. The voltage on this pin is

1.3 V and is supplied by the on-chip LDO. The VDDC pins should

only be connected to the LDO pin and an external capacitor as

specified in .

PB7

I/O

TTL

GPIO port B bit 7.

55

NMI

I

TTL

Non-maskable interrupt.

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

I/O

TTL

Capture/Compare/PWM 7.

56

Fault1

I

TTL

PWM Fault 1.

IDX0

I

TTL

QEI module 0 index.

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 24-23 on page 1080 .

PB5

I/O

TTL

GPIO port B bit 5.

C0o

O

TTL

Analog comparator 0 output.

C1-

I

Analog Analog comparator 1 negative input.

CAN0Tx

O

TTL

CAN module 0 transmit.

57

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.

U1Tx

O

TTL

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

modulation.

PB4

I/O

TTL

GPIO port B bit 4.

C0-

I

Analog Analog comparator 0 negative input.

CAN0Rx

I

TTL

CAN module 0 receive.

58

IDX0

U1Rx

I

TTL

QEI module 0 index.

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.

59

VDD

-

Power Positive supply for I/O and some logic.

60

GND

-

Power Ground reference for logic and I/O pins.

1048

Texas Instruments-Production Data

October 06, 2012

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