MCZ33905BS3R2 datasheet(11/98 Pages) FREESCALE

部品番号	MCZ33905BS3R2

部品情報	SBC Gen2 with CAN High Speed and LIN Interface

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Analog Integrated Circuit Device Data

Freescale Semiconductor

11

33903/4/5

PIN CONNECTIONS

15

12

N/A

VCAUX

Output

VCOLLECTOR

Auxiliary

Output pin for external path PNP transistor

collector

16

13

N/A

VAUX

Output

VOUT Auxiliary

Output pin for the auxiliary voltage.

17

14

N/A

MUX-OUT

Output

Multiplex Output

Multiplexed output to be connected to an MCU A/

D input. Selection of the analog parameter

available at MUX-OUT is done via the SPI. A

switchable internal pull-down resistor is integrated

for VDD current sense measurements.

18

15

I/O-0

Input/Output

Input/Output 0

Configurable pin as an input or output, for

connection to external circuitry (switched or small

load). The voltage level can be read by the SPI

and via the MUX output pin. The input can be used

as a programmable wake-up input in Low Power

mode. In low power, when used as an output, the

high side or low side can be activated for a cyclic

sense function.

19

16

DBG

Input

Debug

Input to activate the Debug mode. In Debug

mode, no watchdog refresh is necessary. Outside

of Debug mode, connection of a resistor between

DBG and GND allows the selection of Safe mode

functionality.

23

N/A

TXD-L2

Input

LIN Transmit

Data 2

LIN bus transmit data input. Includes an internal

pull-up resistor to VDD.

24,31

N/A

GND

Ground

Ground of the IC.

25

N/A

RXD-L2

Output

LIN Receive

Data

LIN bus receive data output.

26

N/A

LIN2

Input/Output

LIN bus

LIN bus input output connected to the LIN bus.

36

17

N/A

33905D LIN-1

33905S LIN

Input/Output

LIN bus

LIN bus input output connected to the LIN bus.

37

18

N/A

33905D TXD-L1

33905S TXD-L

Input

LIN Transmit

Data

LIN bus transmit data input. Includes an internal

pull-up resistor to VDD.

38

19

N/A

33905D RXD-L1

33905S RXD-L

Output

LIN Receive

Data

LIN bus receive data output.

39

20

N/A

VSENSE

Input

Sense input

Direct battery voltage input sense. A serial resistor

is required to limit the input current during high

voltage transients.

40

21

N/A

I/O-1

Input/Output

Input Output 1

Configurable pin as an input or output, for

connection to external circuitry (switched or small

load). The voltage level can be read by the SPI

and via the MUX output pin. The input can be used

as a programmable wake-up input in Low Power

mode. Can be used in association with I/O-0 for a

cyclic sense function in Low Power mode.

41

22

RST

Output

Reset Output

(Active LOW)

This is the device reset output whose main

function is to reset the MCU. This pin has an

internal pull-up to VDD. The reset input voltage is

also monitored in order to detect external reset

and safe conditions.

Table 2. 33903/4/5 Pin Definitions (continued)

A functional description of each pin can be found in the Functional Pin Description section beginning on page 30.

Pin #

33905D

Pin #

33905S

Pin #

33904

Pin #

33903

Pin Name

Pin Function

Formal Name

Definition

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