R-IN32M3_15 Datasheet, PDF (43/105 Pages) Renesas Technology Corp – LSI for Industrial Ethernet

R-IN32M3 Series Data Sheet
3. Specifications
3.3 EtherCAT Slave Controller Function (R-IN32M3-EC only)
The EtherCAT Slave Controller (ESC) core is made by Beckhoff Automation GmbH, Germany.
The ESC processes EtherCAT communications and acts as interface between EtherCAT Field bus and Slave
applications.
Table 3.1 Features of the EtherCAT Slave Controller
Feature
Ports
FMMUs
SyncManagers
RAM [KByte]
Distributed Clocks
EBus
Process Data Interfaces
Digital I/O
SPI Slave
External MPU Interface
R-IN32M3-EC
2
8
8
8
64bit
No
No
No
Cortex-M3 and
16bit/32bit，async./sync.
SRAM Host Interface
ET1100
2-4
8
8
8
64bit
Yes (0-4)
Yes
Yes
8bit/16bit，async./sync.
Remark
-
-
-
-
-
-
-
-
R-IN32M3 does not
support direct access to the
ESC from an external CPU.
R18DS0008EJ0204
Dec 25, 2014
Page 43 of 100