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STPC4HDBC Datasheet(PDF) 11 Page - STMicroelectronics |
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STPC4HDBC Datasheet(HTML) 11 Page - 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 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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