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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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EP9302 датащи(PDF) 39 Page - Cirrus Logic |
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EP9302 датащи(HTML) 39 Page - Cirrus Logic |
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39 / 42 page  DS653PP3 ©Copyright 2005 Cirrus Logic (All Rights Reserved) 39 EP9302 High-speed ARM9 System-on-chip Processor with MaverickCrunch . Table Q. Pin Descriptions Pin Name Block Pad Type Pull Type Description TCK JTAG I PD JTAG clock in TDI JTAG I PD JTAG data in TDO JTAG 4ma JTAG data out TMS JTAG I PD JTAG test mode select TRSTn JTAG I PD JTAG reset BOOT[1:0] System I PD Boot mode select in XTALI PLL A Main oscillator input XTALO PLL A Main oscillator output VDD_PLL PLL P Main oscillator power, 1.8V GND_PLL PLL G Main oscillator ground RTCXTALI RTC A RTC oscillator input RTCXTALO RTC A RTC oscillator output WRn EBUS 4ma SRAM Write strobe out RDn EBUS 4ma SRAM Read / OE strobe out WAITn EBUS I PU SRAM Wait in AD[25:0] EBUS 8ma Shared Address bus out DA[15:0] EBUS 8ma PU Shared Data bus in/out CSn[3:0] EBUS 4ma PU Chip select out CSn[7:6] EBUS 4ma PU Chip select out DQMn[1:0] EBUS 8ma Shared data mask out SDCLK SDRAM 8ma SDRAM clock out SDCLKEN SDRAM 8ma SDRAM clock enable out SDCSn[3:0] SDRAM 4ma SDRAM chip selects out RASn SDRAM 8ma SDRAM RAS out CASn SDRAM 8ma SDRAM CAS out SDWEn SDRAM 8ma SDRAM write enable out ADC[4:0] ADC A External Analog Measurement Input VDD_ADC ADC P ADC power, 3.3V GND_ADC ADC G ADC ground USBp[2, 0] USB A USB positive signals USBm[2, 0] USB A USB negative signals TXD0 UART1 4ma Transmit out RXD0 UART1 I PU Receive in CTSn UART1 I PU Clear to send / transmit enable DSRn UART1 I PU Data set ready / Data Carrier Detect DTRn UART1 4ma Data Terminal Ready output RTSn UART1 4ma Ready to send TXD1 UART2 4ma Transmit / IrDA output RXD1 UART2 I PU Receive / IrDA input MDC EMAC 4ma Management data clock MDIO EMAC 4ma PU Management data input/output RXCLK EMAC I PD Receive clock in MIIRXD[3:0] EMAC I PD Receive data in RXDVAL EMAC I PD Receive data valid RXERR EMAC I PD Receive data error TXCLK EMAC I PU Transmit clock in MIITXD[3:0] EMAC I PD Transmit data out TXEN EMAC 4ma PD Transmit enable TXERR EMAC 4ma PD Transmit error CRS EMAC I PD Carrier sense CLD EMAC I PU Collision detect GRLED LED 12ma Green LED RDLED LED 12ma Red LED EECLK EEPROM 4ma PU EEPROM / Two-wire Interface clock EEDAT EEPROM 4ma PU EEPROM / Two-wire Interface data ABITCLK AC97 8ma PD AC97 bit clock ASYNC AC97 8ma PD AC97 frame sync ASDI AC97 I PD AC97 Primary input ASDO AC97 8ma PU AC97 output ARSTn AC97 8ma AC97 reset SCLK1 SPI1 8ma PD SPI bit clock SFRM1 SPI1 8ma PD SPI Frame Clock SSPRX1 SPI1 I PD SPI input SSPTX1 SPI1 8ma SPI output INT[3], INT[1:0] INT I PD External interrupts PRSTn Syscon I PU Power on reset RSTOn Syscon 4ma User Reset in out - open drain SLA[1:0] EEPROM 4ma Flash programming voltage control EGPIO[15:0] GPIO I/O, 4ma PU Enhanced GPIO FGPIO[3:1] GPIO I/O, 8ma PU GPIO on Port F HGPIO[5:2] GPIO I/O, 8ma PU GPIO on Port H CGPIO[0] GPIO I/O, 8ma PU GPIO on Port C CVDD Power P Digital power, 1.8V RVDD Power P Digital power, 3.3V CGND Ground G Digital ground RGND Ground G Digital ground Table Q. Pin Descriptions (Continued) Pin Name Block Pad Type Pull Type Description |
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