IPAC-X datasheet(30/270 Pages) INFINEON

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IPAC-X

PSB/PSF 21150

Pin Configuration

Data Sheet

2003-01-30

AUX7

I/O (OD)

INT1

This pin is programmable as general input/output.

The state of the pin can be read from (input) / written

to (output) a register.

Additionally, as input it can generate a maskable

interrupt to the host, which is either edge or level

triggered. An internal pull up resistor is connected to

this pin (open drain mode only), if push pull

characteristic is selected no pull up is available.

As output an LED can directly be connected to this

pin.

SGO

Instead of the above described function, AUX7 can

also be programmed to output the S/G bit signal

from the IOM-2 DD line.

Miscellaneous

SX1

SX2

S-Bus Transmitter Output (positive)

S-Bus Transmitter Output (negative)

SR1

SR2

S-Bus Receiver Input

XTAL1

XTAL2

Crystal 1

Connection for a crystal or used as external clock

input. 7.68 MHz clock or crystal required.

Crystal 2

Connection for a crystal. Not connected if an

external clock is supplied to XTAL1

MODE0 I

Mode 0 Select

A LOW selects TE-mode and a HIGH selects LT-T /

LT-S mode (see MODE1/EAW).

Table 2

IPAC-X Pin Definitions and Functions (cont’d)

Pin No.

MQFP-64

TQFP-64

Symbol Input (I)

Output (O)

Open Drain

(OD)

Function

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