Renesas R-IN32M3 Series User Manual page 68

R-IN32M3-EC User's Manual
6.4 Functional Overview
Typical functions of EtherCAT slave controller (ESC) and supported functions by R-IN32M3-EC are shown below.
Regarding the detailed specifications of EtherCAT and ESC, refer to the documentation (e.g. ETG.1000 EtherCAT
Specification) provided by EtherCAT Technology Group (ETG) and the EtherCAT Slave Controller IP Core (v2.04)
datasheet provided by Beckhoff Automation GmbH.
Table 6.4 Typical Functions of EtherCAT Slave Controller and Supported Functions by R-IN32M3-EC
Features
EtherCAT protocol
Addressing modes
Working counter
EtherCAT command types Processing the command that master requests slaves to address each
Loop control
Shadow buffers
Circulating frames
Link detection
FIFO size reduction
Ethernet physical layer
FMMU
R18UZ0003EJ0501
Jan. 12, 2021
Handling the following frames:
・Ethernet frames with Ether type 0x88A4
・EtherCAT frames encapsulated in UDP/IP
・EtherCAT frames with VLAN tag
・Normal Ethernet frames
Device addressing
・Auto increment address
・Configured station address
・Broadcast address
Logical addressing
Counting the number of read/write from/to the device
addressing mode
Loop control and loop state in the ESC
Shadow buffers function when reading or writing registers
Processing of circulating frames during the failure
Link MII signal (PHY link signal)
MI link detection and configuration
(PHY register monitor via the management interface)
Enhanced link detection
(Communication state monitoring by the RX error monitor of MII)
RX FIFO size reduction to reduce the propagation delay
MII
MDI (100BASE-TX)
MDI (100BASE-FX)
EBUS
Back-to-back MII connection
MII management interface
Read/write of the PHY register via the MII management interface
PHY address offset
Manual TX clock shift compensation
Automatic TX clock shift compensation
Mapping between logical address and physical address
6. EtherCAT Slave Controller Function
Functions
(1/3)
Supported
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
-
✓
NOTE 1
-
-
-
✓
✓
✓
-
✓
✓
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