Beckhoff EtherCAT IP Core for Xilinx FPGAs v2.04e Manuel d'utilisateur Page 66

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IP Core Signals
III-54 Slave Controller IP Core for Xilinx FPGAs
CLK25
EtherCAT IP Core Ethernet
PHY
RMII
REF_CLK
DCM/PLL
CLK_IN CLK25
CLK100
CLK100
Ethernet
PHY
RMII
REF_CLK
50 MHz
CLK50
CLK50
FPGA
Figure 25: EtherCAT IP Core clock source (RMII)
8.2 SII EEPROM Interface Signals
Table 19: SII EEPROM Signals
Condition
Name
Direction
Description
PROM_SIZE
INPUT
Sets EEPROM size:
0: up to 16 kbit EEPROM
1: 32 kbit-4Mbit EEPROM
Tristate drivers inside
core (EEPROM/MI)
PROM_CLK
OUTPUT
EEPROM I²C Clock
(output values: 0 or Z)
External tristate drivers
for EEPROM/MI
PROM_CLK
OUTPUT
EEPROM I²C Clock
(output values: 0 or 1)
Tristate drivers inside
core (EEPROM/MI)
PROM_DATA
BIDIR
EEPROM I²C Data
External tristate drivers
for EEPROM/MI
PROM_DATA_IN
INPUT
EEPROM I²C Data:
EEPROM IP Core
PROM_DATA_OUT
OUTPUT
EEPROM I²C Data:
IP Core EEPROM
(always 0)
PROM_DATA_ENA
OUTPUT
0: disable output driver for
PROM_DATA_OUT
1: enable output driver for
PROM_DATA_OUT
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