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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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SC2200 датащи(PDF) 18 Page - National Semiconductor (TI) |
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SC2200 датащи(HTML) 18 Page - National Semiconductor (TI) |
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18 / 433 page  www.national.com 18 Revision 3.0 2.0 Signal Definitions This section defines the signals and describes the external interface of the SC2200. Figure 2-1 shows the signals organized by their functional groups. Where signals are multiplexed, the default signal name is listed first and is separated by a plus sign (+). A slash (/) in a signal name means that the function is always enabled and available (i.e., cycle multiplexed). The remaining subsections of this chapter describe: • Section 2.1 "Ball Assignments": Provides a ball assign- ment diagram and tables listing the signals sorted according to ball number and alphabetically by signal name. • Section 2.2 "Strap Options": Several balls are read at power-up that set up the state of the SC2200. This section provides details regarding those balls. • Section 2.3 "Multiplexing Configuration": Lists multi- plexing options and their configurations. • Section 2.4 "Signal Descriptions": Detailed descriptions of each signal according to functional group. Figure 2-1. Signal Groups System POR# X32I X27I MD[63:0] MA[12:0] BA[1:0] CS[1:0]# RASA# CASA# WEA# DQM[7:0] CKEA SDCLK[3:0] SDCLK_IN SDCLK_OUT ACCESS.bus AB1C+GPIO20+DOCCS# AB1D+GPIO1+IOCS1# GPIO12+AB2C GPIO13+AB2D CRT HSYNC VSYNC VREF SETRES RED, GREEN, BLUE PCIRST# ACK#+TFTDE AFD#/DSTRB#+TFTD2 BUSY/WAIT#+TFTD3 ERR#+TFTD4 INIT#+TFTD5 PD[5:0]+TFTD[11:6] PE+TFTD14 SLCT+TFTD15 SLIN#/ASTRB#+TFTD16 STB#/WRITE#+TFTD17 Parallel Port/ IDE_ADDR2+TFTD4 IDE_DATA15+TFTD7 IDE_IOR0#+TFTD10 IDE_IOW0#+TFTD9 IDE_CS0#+TFTD5 IDE_IORDY0+TFTD11 IDE_DREQ0+TFTD8 IDE_DACK0#+TFTD0 IRQ14+TFTD1 IDE/TFT IDE_CS1#+TFTDE IDE_DATA12+TFTD13 IDE_DATA10+DDC_SCL IDE_DATA14+TFTD17 IDE_DATA13+TFTD15 IDE_DATA11+GPIO41 IDE_DATA9+DDC_SDA IDE_DATA8+GPIO40 IDE_DATA7+INTD# IDE_DATA6+IRQ9 IDE_DATA5+CLK27M IDE_DATA4+FP_VDD_ON IDE_DATA3+TFTD12 IDE_DATA2+TFTD14 IDE_DATA1+TFTD16 IDE_DATA0+TFTD6 IDE_ADDR1+TFTD2 IDE_ADDR0+TFTD3 IDE_RST#+TFTDCK PD6+TFTD1 PD7+TFTD13 X32O X27O Memory Interface Interface Interface TFT Interface Interface Interface VPD[7:0] VPCKIN Video Port Interface Geode™ SC2200 BOOT16+ROMCS# LPC_ROM+PCICLK1 TFT_PRSNT+SDATA_OUT FPCI_MON+PCICLK0 DID0+GNT0#, DID1+GNT1# Straps Note: Straps are not the default signal, shown with system signals for reader convenience. However, also listed in figure with the appropriate functional group. |
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