PEB2055 datasheet(49/269 Pages) INFINEON

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PEB 2055

PEF 2055

Detailed Register Description

Semiconductor Group

AIS1..0

Alternative Input Selection.

These bits determine the relationship between the physical pins and the

logical port numbers. The logical port numbers are used when programming

the switching functions.

Note: In PCM-mode 0 these bits may not be set!

AIC1

Alternate Input Comparison 1.

0…input comparison of port 2 and 3 is disabled

1…the inputs of port 2 and 3 are compared

AIC0

Alternate Input Comparison 0.

0…input comparison of port 0 and 1 is disabled

1…the inputs of port 0 and 1 are compared

Note: The comparison function is operational in all PCM modes; however, a redundant

PCM line which can be switched over to by means of the PMOD:AIS bits is only

available in PCM modes 1 and 2.

PCM

Mode

Port 0

Port 1

Port 2

Port 3

RxD0

TxD0

TSC0

RxD1

TxD1

TSC1

RxD2

TxD2

TSC2

RxD3

TxD3

TSC3

IN0

OUT0

val0

IN1

OUT1

val1

IN2

OUT2

val2

IN3

OUT3

val3

1IN0

(AIS0=1)

OUT0

val0

IN0

(AIS0=0)

tristate

AIS0

IN1

(AIS1=1)

OUT1

val1

IN1

(AIS1=0)

tristate AIS1

2not

active

OUT

val

not active tristate

AIS0

(AIS1=1)

undef.

(AIS1=0)

tristate AIS1

PEB2055 Datasheet(PDF) 49 Page - Infineon Technologies AG

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