33290 Ver la hoja de datos (PDF) - Freescale Semiconductor

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33290

ISO K Line Serial Link Interface

Freescale Semiconductor 

PIN CONNECTIONS

PIN CONNECTIONS

VBB 11

NC 22

GND 33

ISO 44

88 CEN

77 VDD

66

RX

55

TX

Figure 3. 33290 Pin Connections

Table 1. 33290 Pin Definitions

Pin Number

1

Pin Name

VBB

Definition

Battery power through external resistor and diode.

2

NC

Not to be connected. (1)

3

GND

Common signal and power return.

4

ISO

Bus connection.

5

TX

Logic level input for data to be transmitted on the bus.

6

RX

Logic output of data received on the bus.

7

VDD

Logic power source input.

8

CEN

Chip enable. Logic “1” for active state. Logic “0” for sleep state.

Notes

1. NC pins should not have any connections made to them. NC pins are not guaranteed to be open circuits.

Analog Integrated Circuit Device Data

Freescale Semiconductor

33290

3

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