TLE9263QX datasheet(11/164 Pages) INFINEON

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TLE9263QX

Pin Configuration

Data Sheet

Rev. 1.1, 2014-09-26

3.3

Hints for Unused Pins

It must be ensured that the correct configurations are also selected, i.e. in case functions are not used that they

are disabled via SPI:

•

WK1/2/3: connect to GND and disable WK inputs via SPI

•

HSx: leave open

•

LINx, RXDLINx, TXDLINx, CANH/L, RXDCAN, TXDCAN: leave all pins open

•

RO / FOx: leave open

•

INT: leave open

•

TEST: connect to GND during power-up to activate SBC Development Mode;

connect to VS or leave open for normal user mode operation

•

VCC2: leave open and keep disabled

•

VCC3: See Chapter 8.5

•

VCAN: connect to VCC1

•

n.c.: not connected; internally not bonded; connect to GND

•

If unused pins are routed to an external connector which leaves the ECU, then these pins should have

provision for a zero ohm jumper (depopulated if unused) or ESD protection.

3.4

Hints for Alternate Pin Functions

In case of alternate pin functions, selectable via SPI, it must be ensured that the correct configurations are also

selected via SPI, in case it is not done automatically. Please consult the respective chapter. In addition, following

topics shall be considered:

•

WK1..2: The pins can be either used as HV wake / voltage monitoring inputs or for a voltage measurement

function (via bit WK_MEAS). In the second case, the WK1..2 pins shall not be used / assigned for any wake

detection nor cyclic sense functionality, i.e. WK1 and WK2 must be disabled in the register WK_CTRL_2 and

the level information is to be ignored in the register WK_LVL_STAT.

•

FO2..3: The pins can also be configured as GPIOs in the GPIO_CTRL register. In this case, the pins shall not

be used for any fail output functionality. The default function after Power on Reset (POR) is FOx.

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