Renesas R-IN32M3 Series User Manual page 78

R-IN32M3-EC User's Manual
6.6.2 EtherCAT Operation Mode Setting Register (CATEMMD)
CATEMMD sets the operating mode when using EtherCAT.
This register can be read/written in 32-bit or 16bit units.
Caution: This register can be written only when releasing protection by the specific sequence with
the system protect command register (SYSPCMD). Refer to the system protect command
register (SYSPCMD) for protection releasing procedure. In addition, the special sequence is
not necessary for reading the value from this register. For details on the system protect
command register (SYSPCMD), see the R-IN32M3 Series User's Manual (Peripheral
Modules).
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9
CATEMMD 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0
R/W
Bit Position Bit Name
0 I2CSIZE
R18UZ0003EJ0501
Jan. 12, 2021
0 0 0 0 0 0 0 0 0
Sets the I2C memory size for EtherCAT.
0: 16 Kbits or less
1: 32 Kbits to 4 Mbits
6. EtherCAT Slave Controller Function
0 0 0 0 0 0 0 0 0
Description
8 7 6 5 4 3 2 1 0
0 R/W
0 0 0 0 0 0 0
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Address
BASE + 0624H
Initial Value
0000 0000H