STPCC4 Просмотр технического описания (PDF) - STMicroelectronics

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STPCC4

X86 Core PC Compatible Information Appliance System-on-Chip

STMicroelectronics 

PIN DESCRIPTION

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 to 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.

Table 2-1. Signal Description

Group name

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

Qty

7

95

56

79

34

89

49

9

12

8

71

26

9

6

388

Note: Several interface pins are multiplexed with

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

for further details

Figure 2-1. STPC Consumer-II External Interfaces

x86

STPC CONSUMER-II

PCI

SDRAM VGA VIP TV

95

8

9 12

56

SYS ISA/IDE/LB

7

89

Release 1.5 - January 29, 2002

11/93

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