Analog Integrated Circuit Device Data

Freescale Semiconductor

3

33290

PIN CONNECTIONS

PIN CONNECTIONS

Figure 3. 33290 Pin Connections

Table 1. 33290 Pin Definitions

Pin Number

Pin Name

Definition

1

VBB

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.

2

3

4

8

7

6

5

11

2

4

3

8

7

5

6

CEN

VDD

TX

VBB

NC

GND

ISO

RX