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ET1100 データシート(PDF) 97 Page - Beckhoff Automation GmbH & Co. KG |
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ET1100 データシート(HTML) 97 Page - Beckhoff Automation GmbH & Co. KG |
97 / 124 page PDI Description Slave Controller – ET1100 Hardware Description III-83 6.5 Synchronous 8/16 bit µController Interface 6.5.1 Interface The synchronous µController interface uses demultiplexed address and data busses. The bidirectional data bus can be either 8 bit or 16 bit wide. The signals of the synchronous µController interface of EtherCAT devices are: 8/16 bit µController (sync) CS ADR BHE DATA TA EtherCAT device IRQ RD/WR TS CPU_CLK_IN EEPROM_LOADED Figure 38: µController interconnection4 Table 72: µController signals Signal sync I/F Signal async I/F Direction Description Signal polarity CPU_CLK_IN N/A IN (µC → ESC) µController interface clock CS CS IN (µC → ESC) Chip select Typical: act. low ADR[15:0] ADR[15:0] IN ( µC → ESC) Address bus act. high BHE BHE IN (µC → ESC) Byte High Enable Typical: act. low TS RD IN (µC → ESC) Transfer Start Typical: act. low RD/nWR WR IN (µC → ESC) Read/Write access DATA[15:0] DATA[15:0] BD (µC ↔ ESC) Data bus for 16 Bit µController interface act. high DATA[7:0] DATA[7:0] BD (µC ↔ ESC) Data bus for 8 Bit µController interface act. high TA BUSY OUT (ESC → µC) Transfer Acknowledge Typical: act. low IRQ IRQ OUT (ESC → µC) Interrupt Typical: act. low EEPROM_ LOADED EEPROM_ LOADED OUT (ESC → µC) PDI is active, EEPROM is loaded act. high 6.5.2 Configuration The 16 bit synchronous µController interface is selected with PDI type 0x0A in the PDI control register 0x0140, the 8 bit synchronous µController interface has PDI type 0x0B. It supports different configurations, which are located registers 0x0150 – 0x0153. 4 All signals are denoted with typical polarity configuration. |
同様の部品番号 - ET1100 |
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同様の説明 - ET1100 |
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