solution

solution

Ethercat Slave Station

1、 Pure FPGA IO control card

FPGA has built-in etherCAT control IP, which is used for corresponding business processing in cooperation with master station control

 

2、 STM32+FPGA control card

FPGA built-in EtherCAT control IPSTM32 uses FSMC bus to cooperate with FPGA to do more complex functions

 

Main functions:

1) Integrated data frame forwarding processing unit, communication performance is not limited by slave microprocessor performance. Up to 4 data receiving and sending ports can be provided;

2) Maximum 64K bytes of dual-port memory DPRAM storage space, including 4K bytes of register space and 1~60K bytes of user data area. DPRAM can be accessed by external microprocessors using parallel or serial data bus. Access to DPRAM is called Physical Device Interface (PDI).

3) It can operate independently as a digital input/output chip without microprocessor control. It has the processing function of communication state machine, and can provide up to 32 digits of word input/output.

4) It has FMMU logical address mapping function to improve data frame utilization.

5) The storage synchronization manager channel SyncManager (SM) manages DPRAM to ensure the consistency and security of application data.

6) Integrated distributed clock function provides high-precision interrupt signal for microprocessor.

7) It has EEPROM access function, stores and applies configuration parameters, and defines slave information interface (SII)