XC164CS datasheet(44/71 Pages) INFINEON

44 / 71 page

XC164

Derivatives

Functional Description

Data Sheet

V2.1, 2003-06

Table 7

Summary of the XC164’s Parallel Ports

Port

Control

Alternate Functions

PORT0

Pad drivers

Address/Data lines or data lines1)

PORT1

Pad drivers

Address lines2)

Capture inputs or compare outputs,

Serial interface lines,

Fast external interrupt inputs

Port 3

Pad drivers,

Open drain,

Input threshold

Timer control signals, serial interface lines,

Optional bus control signal BHE/WRH,

System clock output CLKOUT (or FOUT),

Debug interface lines

Port 4

Pad drivers,

Open drain,

Input threshold

Segment address lines3)

Optional chip select signals

CAN interface lines4)

Port 5

---

Analog input channels to the A/D converter,

Timer control signals

Port 9

Pad drivers,

Open drain,

Input threshold

Capture inputs or compare outputs

CAN interface lines4)

Port 20

Pad drivers,

Open drain

Bus control signals RD, WR/WRL, ALE,

External access enable pin EA,

Reset indication output RSTOUT

For multiplexed bus cycles.

For demultiplexed bus cycles.

For more than 64 Kbytes of external resources.

Can be assigned by software.

XC164CS Datasheet(PDF) 44 Page - Infineon Technologies AG

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