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STPC4HEBI Datasheet(PDF) 11 Page - STMicroelectronics

Part No. STPC4HEBI
Description  X86 Core PC Compatible Information Appliance System-on-Chip
Download  93 Pages
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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STPC4HEBI Datasheet(HTML) 11 Page - STMicroelectronics

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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
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.
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)
7
SDRAM Controller
95
PCI interface
56
ISA
79
89
IDE
34
Local Bus
49
Video Input
9
TV Output
12
VGA Monitor interface
8
Grounds
71
VDD
26
Miscellaneous
9
Unconnected
6
Total Pin Count
388
Figure 2-1. STPC Consumer-II External Interfaces
PCI
x86
SDRAM VGA
VIP
TV
SYS
ISA/IDE/LB
95
8
9
12
56
7
89
STPC CONSUMER-II


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