MC34911BAC datasheet(3/45 Pages) FREESCALE

Part #	MC34911BAC

Description	LIN System Basis Chip with DC Motor Pre-driver

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Manufacturer	FREESCALE [Freescale Semiconductor, Inc]

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Analog Integrated Circuit Device Data

Freescale Semiconductor

3

33911

PIN CONNECTIONS

Figure 3. 33911 Pin Connections

Table 1. 33911 Pin Definitions

A functional description of each pin can be found in the Functional Pin Description section beginning on page 20.

Pin Name

Formal Name

Definition

1

RXD

Receiver Output

This pin is the receiver output of the LIN interface which reports the state of

the bus voltage to the MCU interface.

2

TXD

Transmitter Input

This pin is the transmitter input of the LIN interface which controls the state of

the bus output.

3

MISO

SPI Output

SPI (Serial Peripheral Interface) data output. When CS is high, pin is in the

high-impedance state.

4

MOSI

SPI Input

SPI (Serial Peripheral Interface) data input.

5

SCLK

SPI Clock

SPI (Serial Peripheral Interface) clock Input.

6

CS

SPI Chip Select

SPI (Serial Peripheral Interface) chip select input pin. CS is active low.

7

ADOUT0

Analog Output Pin 0

Analog Multiplexer Output.

8

PWMIN

PWM Input

High side and low side pulse-width modulation input.

9

RST

Internal Reset I/O

Bidirectional reset I/O pin - driven low when any internal reset source is

asserted. RST is active low.

10

IRQ

Internal Interrupt

Output

Interrupt output pin, indicating wake-up events from Stop Mode or events from

Normal and Normal Request Modes. IRQ is active low.

8

PWMIN

7

ADOUT0

5

SCLK

4

MOSI

3

MISO

1

RXD

2

TXD

6

CS

17

LS2

18

PGND

20

NC*

21

NC*

22

L2

24

NC*

23

L1

19

LS1

* Special Configuration Recommended /

Mandatory for Marked NC Pins

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MC34911BAC Datasheet(PDF) 3 Page - Freescale Semiconductor, Inc

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