MCZ33903CD3EKSLASHR2 datasheet(13/106 Pages) FREESCALE

13 / 106 page

Analog Integrated Circuit Device Data



Freescale Semiconductor

33903/4/5

PIN DEFINITIONS

Table 4. 33903/4/5 Pin Definitions

A functional description of each pin can be found in the Functional Pin Description section beginning on page 35.

54 Pin

33905D

32 Pin

33905S

32 Pin

33904

32 Pin

33903

32 Pin

33903D

32 Pin

33903S

32 Pin

33903P

Pin Name

Function

Formal

Name

Definition

1-3, 20-

22, 27-

30, 32-

35, 52-

N/A

17, 18,

3-4,11-

14, 17-

21, 31,

N/A

N/C

Connect

Connect to GND.

N/A

14, 16,

17, 19-

N/C

Connect

Do NOT connect the N/C pins to

GND. Leave these pins Open.

VSUP/1

Power

Battery

Voltage

Supply 1

Supply input for the device internal

supplies, power on reset circuitry and

the VDD regulator. VSUP and VSUP1

supplies are internally connected on

part number MC33903BDEK and

MC33903BSEK

N/A

VSUP2

Power

Battery

Voltage

Supply 2

Supply input for 5 V-CAN regulator,

VAUX regulator, I/O and LIN pins.

VSUP1 and VSUP2 supplies are

internally connected on part number

MC33903BDEK and MC33903BSEK

N/A

LIN-T2

I/O-3

Output

Input/

Output

LIN

Termination 2

Input/Output

33903D and 33905D - Output pin for

the LIN2 master node termination

resistor.

33903P, 33903S, 33903D, 33904,

33905S and 33905D - Configurable

pin as an input or HS output, for

connection to external circuitry

(switched or small load). The input

can be used as a programmable

Wake-up input in (LP) mode. When

used as a HS, no over-temperature

protection is implemented. A basic

short to GND protection function,

based on switch drain-source over-

voltage detection, is available.

N/A

LIN-T1

LIN-T

I/O-2

Output

Input/

Output

LIN

Termination

Input/Output

33905D - Output pin for the LIN1

master node termination resistor.

33903P, 33903S, 33903D, 33904,

33905S and 33905D - Configurable

pin as an input or HS output, for

connection to external circuitry

(switched or small load). The input

can be used as a programmable

Wake-up input in (LP) mode. When

used as a HS, no over-temperature

protection is implemented. A basic

short to GND protection function,

based on switch drain-source over-

voltage detection, is available.

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