BECKHOFF ET1100 - Manual (Page 7)

CONTENTS
Slave Controller – ET1100 Hardware Description III-VII
3.9 PDI Signal Pinout depending on selected PDI 32
3.9.1 Digital I/O Pin Out 33
3.9.2 8/16 Bit asynchronous µController 36
3.9.3 8/16 Bit synchronous µController 37
3.9.4 SPI Pin Out 38
3.10 Power Supply 40
3.10.1 I/O Power Supply 41
3.10.2 Logic Core Power Supply 42
3.10.3 PLL Power Supply 42
3.11 Reserved Pins 42
4 MII Interface 43
4.1 MII Interface Signals 43
4.2 PHY Address Configuration 44
4.3 TX Shift Compensation 45
4.4 Timing specifications 46
5 EBUS/LVDS Interface 47
5.1 EBUS Interface Signals 47
6 PDI description 48
6.1 PDI Deactivated 48
6.2 Digital I/O Interface 49
6.2.1 Interface 49
6.2.2 Configuration 49
6.2.3 Digital Inputs 50
6.2.4 Digital Outputs 50
6.2.5 Bidirectional mode 51
6.2.6 Output Enable/Output Configuration 52
6.2.7 SyncManager Watchdog 52
6.2.8 SOF 53
6.2.9 OUTVALID 53
6.2.10 EEPROM_LOADED 53
6.2.11 Timing specifications 53
6.3 SPI Slave Interface 55
6.3.1 Interface 55
6.3.2 Configuration 55
6.3.3 SPI access 55
6.3.4 Commands 56
6.3.5 Address modes 56
6.3.6 Interrupt request register (AL Event register) 57
6.3.7 Write access 57
6.3.8 Read access 57
6.3.9 SPI access errors and SPI status flag 59