BECKHOFF ET1100 - Manual (Page 8)

CONTENTS
III-VIII Slave Controller – ET1100 Hardware Description
6.3.10 EEPROM_LOADED 59
6.3.11 2 Byte and 4 Byte SPI Masters 59
6.3.12 Timing specifications 60
6.4 Asynchronous 8/16 bit µController Interface 66
6.4.1 Interface 66
6.4.2 Configuration 66
6.4.3 µController access 67
6.4.4 Write access 67
6.4.5 Read access 67
6.4.6 µController access errors 68
6.4.7 EEPROM_LOADED 68
6.4.8 Connection with 16 bit µControllers without byte addressing 68
6.4.9 Connection with 8 bit µControllers 69
6.4.10 Timing Specification 70
6.5 Synchronous 8/16 bit µController Interface 74
6.5.1 Interface 74
6.5.2 Configuration 74
6.5.3 µController access 75
6.5.4 µController connection using Byte Select signals (BSn) 76
6.5.5 µController connection using Transfer Size signals (SIZ) 79
6.5.6 Write access 81
6.5.7 Read access 81
6.5.8 µController access errors 81
6.5.9 EEPROM_LOADED 81
6.5.10 Timing Specification 82
7 Distributed Clocks SYNC/LATCH Signals 86
7.1 Signals 86
7.2 Timing specifications 86
8 SII EEPROM Interface (I²C) 87
8.1 Signals 87
8.2 Timing specifications 87
9 Example Schematics 88
9.1 Clock source 88
9.2 Power supply 89
9.3 Dual purpose configuration input/LED output pins 90
9.4 PHY Connection 90
9.5 LVDS termination 91
9.6 RBIAS resistor 91
9.7 Reset Logic 91
9.8 Transparent Mode 92
10 Electrical Specifications and Timings 93