Analog Integrated Circuit Device Data



Freescale Semiconductor

33

33663

TYPICAL APPLICATION

OPERATIONAL MODES

TYPICAL APPLICATION

The 33663 can be configured for several applications. The figure below shows LIN2 as a slave node and LIN1 as a master

node application. An additional pull-up resistor of 1.0 k

 in series with a diode must be added when the device is used in the

master node.

Figure 26. 33663 Typical Application

*

RXD1

TXD1

I/O

MCU

Regulator

12V

5V or

3.3V

D1

C1

47μF

C2

100nF

VBAT

LIN Bus1

I/O_2

RXD2

TXD2

C3

100nF

TXD1

RXD1

EN1

INH1

LIN1

GND

INH2

LIN2

LIN Bus2

R6

1k

D2

WAKE1

VSUP

WAKE2

R1

18k

*

TXD2

RXD2

EN2

R2

18k

C4

100nF

R4

18k

R5

18k

LIN

MODULE 2

(LIN 2)

33663

R6

2.2k

R3

2.2k

*: Optional 2.2k if implemented

LIN

MODULE 1

(LIN 1)