XC888LM datasheet(72/144 Pages) INFINEON

72 / 144 page

XC886/888CLM

Functional Description

Data Sheet

V0.9, 2006-12

3.5

Parallel Ports

The XC886 has 34 port pins organized into five parallel ports, Port 0 (P0) to Port 4 (P4),

while the XC888 has 48 port pins organized into six parallel ports, Port 0 (P0) to Port 5

(P5). Each pin has a pair of internal pull-up and pull-down devices that can be individually

enabled or disabled. Ports P0, P1, P3, P4 and P5 are bidirectional and can be used as

general purpose input/output (GPIO) or to perform alternate input/output functions for the

on-chip peripherals. When configured as an output, the open drain mode can be

selected. Port P2 is an input-only port, providing general purpose input functions,

alternate input functions for the on-chip peripherals, and also analog inputs for the

Analog-to-Digital Converter (ADC).

Bidirectional Port Features

•

Configurable pin direction

•

Configurable pull-up/pull-down devices

•

Configurable open drain mode

•

Transfer of data through digital inputs and outputs (general purpose I/O)

•

Alternate input/output for on-chip peripherals

Input Port Features

•

Configurable input driver

•

Configurable pull-up/pull-down devices

•

Receive of data through digital input (general purpose input)

•

Alternate input for on-chip peripherals

•

Analog input for ADC module

XC888LM Datasheet(PDF) 72 Page - Infineon Technologies AG