MC33385

MOTOROLA

8

MC33385

This device is dedicated to automotive applications such as engine managements systems, automatic gear box... It

interfaces between the microcontroller and the actuors of the system.

The loads can be only resistive or resistive and inductive such as injectors, EGR valves...etc... Following is an example of

application schematic, see figure below.

PINS FUNCTION DESCRIPTION

Pin No.

Function

Description

1

GND2

Ground 2

2

OUT2

Output Channel 2

3

NC

4

NON2

Input Control Signal for Channel 2

5

SDI

Serial Data Input

6

CLK

Clock Line for Serial Interface

7

NCS

Chip Select for Serial Interface

8

NON4

Input Control Signal for Channel 4

9

OUT4

Output Channel 4

10

GND4

Ground 4

11

GND3

Ground 3

12

OUT3

Output Channel 3

13

NON3

Input Control Signal for Channel 3

14

Vcc

5V Power Supply

15

NRES

Reset Input

16

SDO

Data Output of Serial Interface

17

NON1

Input Control Signal Channel 1

18

NC

19

OUT1

Output Channel 1

20

GND1

Ground 1

Case

Connected to the PCB Ground for Thermal Purposes

MC33385

Loads

NCS

Voltage

CLK

SDI

SDO

NRES

NON1

NON2

NON3

NON4

MCU

GND1

GND2

GND3

GND4

Regulator

Vcc

OUT1

OUT2

OUT3

OUT4

47nF..150nF

VBat

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com