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DM9010BIEP Scheda tecnica(PDF) 10 Page - Davicom Semiconductor, Inc. |
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DM9010BIEP Scheda tecnica(HTML) 10 Page - Davicom Semiconductor, Inc. |
10 / 60 page DM9010BI Industrial-temperature Single Chip Ethernet Controller with General Processor Interface Preliminary 10 Version: DM9010BI--DS-P01 January 12, 2010 14 RST I Hardware Reset Command, active high to reset the DM9010BI 6,7,8,9,10, 11,12,13, 89,88,87, 86,85,84, 83,82 SD0~15 I/O,PD Processor Data Bus bit 0~15 93,94,95, 96,97,98 SA4~9 I,PD Address Bus 4~9 These pins are used to select the DM9010BI. When SA9 and SA8 are in high states, and SA7 and AEN are in low states, and SA6~4 are matched with strap pins TXD2~0, the DM9010BI is selected. 92 CMD I,PD Command Type When high, the access of this command cycle is DATA port When low, the access of this command cycle is INDEX port 91 IO16 O Word Command Indication When the access of internal memory is word or Dword width, this pin will be asserted This pin is low active at default; its polarity can be modified by EEPROM setting. See the EEPROM content description for detail 100 INT O,PD Interrupt Request This pin is high active at default, its polarity can be modified by EEPROM setting or strap pin MDC. See the EEPROM content description for detail 56,53,52, 51,50,49, 47,46,45, 44,43,41, 40,39,38 37 SD16~31 (in double word mode) I/O,PD Processor Data Bus bit 16~31 These pins are used as data bus bits 16~31 when the DM9010BI is set to double word mode (the straps pin EEDO is pulled high and WAKE is not pull-high) 57 IO32 (in double word mode) O,PD Double Word Command Indication This pins is used as the double word command indication when the DM9010BI is set to double data word mode, and this pin will be asserted when the access of internal memory is double word width This pin is low active at default; its polarity can be modified by EEPROM setting. See the EEPROM content description for detail When the IO32 pin is pulled high, the INT pin is low active; otherwise the INT pin is high active |
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