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ET1100 Scheda tecnica(PDF) 27 Page - Beckhoff Automation GmbH & Co. KG |
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ET1100 Scheda tecnica(HTML) 27 Page - Beckhoff Automation GmbH & Co. KG |
27 / 124 page Pin Description Slave Controller – ET1100 Hardware Description III-13 3.1.3 PDI Signal Overview Table 10: PDI signal overview PDI Signal Dir. Description Digital I/O EEPROM_LOADED O PDI is active, EEPROM is loaded I/O[31:0] I/O/BD Input/Output or Bidirectional data LATCH_IN I External data latch signal OE_CONF I Output Enable Configuration OE_EXT I Output Enable OUTVALID O Output data is valid/Output event SOF O Start of Frame WD_TRIG O Watchdog Trigger SPI EEPROM_LOADED O PDI is active, EEPROM is loaded SPI_CLK I SPI clock SPI_DI I SPI data MOSI SPI_DO O SPI data MISO SPI_IRQ O SPI interrupt SPI_SEL I SPI chip select µC async. CS I Chip select BHE I Byte High Enable (16 bit µController interface only) RD I Read command WR I Write command BUSY O EtherCAT device is busy IRQ O Interrupt EEPROM_LOADED O PDI is active, EEPROM is loaded DATA[7:0] BD Data bus for 8 bit µController interface ADR[15:0] I Address bus DATA[15:0] BD Data bus for 16 bit µController interface µC sync. ADR[15:0] I Address bus BHE I Byte High Enable CPU_CLK_IN I µController interface clock CS I Chip select DATA[15:0] BD Data bus for 16 Bit µController interface DATA[7:0] BD Data bus for 8 Bit µController interface EEPROM_LOADED O PDI is active, EEPROM is loaded IRQ O Interrupt RD/nWR I Read/Write access TA O Transfer Acknowledge TS I Transfer Start |
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