STPC4EEBC datasheet(11/93 Pages) STMICROELECTRONICS

11 / 93 page

PIN DESCRIPTION

Release 1.5 - January 29, 2002

11/93

2. PIN DESCRIPTION

2.1. INTRODUCTION

The STPC Consumer-II integrates most of the

functionality of the PC architecture. As a result,

many of the traditional interconnections between

the host PC microprocessor and the peripheral

devices

are

totally

internal

the

STPC

Consumer-II. This offers improved performance

due to the tight coupling of the processor core and

these peripherals. As a result, many of the

external pin connections are made directly to the

on-chip peripheral functions.

Figure 2-1 shows the STPC Consumer-II external

interfaces. It defines the main buses and their

functions. Table

2-1 describes the

physical

implementation,

listing

signal

type

and

functionality. Table 2-2 provides a full pin listing

and description of pins. Table 2-7 provides a full

listing of pin locations of the STPC Consumer-II

package by physical connection.

Note: Several interface pins are multiplexed with

other functions, refer to Table 2-4 and Table 2-5

for further details

Table 2-1. Signal Description

Group name

Qty

Basic Clocks reset & Xtal (SYS)

SDRAM Controller

PCI interface

ISA

IDE

Local Bus

Video Input

TV Output

VGA Monitor interface

Grounds

VDD

Miscellaneous

Unconnected

Total Pin Count

388

Figure 2-1. STPC Consumer-II External Interfaces

PCI

x86

SDRAM VGA

VIP

SYS

ISA/IDE/LB

STPC CONSUMER-II

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