C167CS datasheet(136/517 Pages) INFINEON

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C167CS

Derivatives

Parallel Ports

User’s Manual

7-9

V2.0, 2000-07

7.3

Alternate Port Functions

In order to provide a maximum of flexibility for different applications and their specific IO

requirements, port lines have programmable alternate input or output functions

associated with them.

Table 7-3

Summary of Alternate Port Functions

Port

Alternate Function(s)

Alternate Signal(s)

PORT0 Address and data lines when accessing

external resources (e.g. memory)

AD15 … AD0

PORT1 Address lines when accessing ext. resources,

Capture inputs or compare outputs of the

CAPCOM units,

Analog input extension channels to the A/D

converter

A15 … A0,

CC27IO … CC24IO,

AN23 … AN16

Port 2

Capture inputs or compare outputs of the

CAPCOM units, CAPCOM timer input,

Fast external interrupt inputs

CC15IO … CC0IO,

T7IN,

EX7IN … EX0IN

Port 3

System clock or programmable frequency

output, Optional bus control signal,

Input/output functions of serial interfaces,

Timers

CLKOUT/FOUT, BHE/WRH,

RxD0, TxD0, MTSR, MRST,

SCLK, T2IN, T3IN, T4IN,

T3EUD, T3OUT, CAPIN,

T6OUT, T0IN

Port 4

Selected segment address lines in systems

with more than 64 KBytes of ext. resources,

CAN interface(s) when assigned

A23 … A16,

CAN1_TxD, CAN1_RxD,

CAN2_TxD, CAN2_RxD

Port 5

Analog input channels to the A/D converter,

Timer control signal inputs

AN15 … AN0,

T2EUD, T4EUD, T5IN, T6IN

Port 6

Bus arbitration signals,

Chip select output signals

BREQ, HLDA, HOLD,

CS4 … CS0

Port_7

Capture inputs or compare outputs of the

CAPCOM units,

PWM output signals

CC31IO … CC28IO,

POUT3 … POUT0

Port 8

Capture inputs or compare outputs of the

CAPCOM units,

CAN interface(s) when assigned

CC23IO … CC16IO,

CAN1_TxD, CAN1_RxD,

CAN2_TxD, CAN2_RxD

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