Renesas R-IN32M3 Series User Manual page 124

R-IN32M3-EC User's Manual
6.18 FMMU Registers
6.18.1 FMMU Logical Start Address Register m (FMMUm.L_START_ADR)
FMMUm.L_START_ADR is used to set the logical start address within the EtherCAT address space for FMMU.
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9
FMMUm.
L_START_
ADR
ECAT
R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W
PDI
R R R R R
Bit Position Bit Name
31 to 0 LSTAADR
Remark: m = 0 to 7
6.18.2 FMMU Length Register m (FMMUm.LEN)
FMMUm.LEN is used to set the length for FMMU area in bytes.
15 14
FMMUm.
LEN
R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W
ECAT
R R
PDI
Bit Position Bit Name
15 to 0 FMMULEN
Remark: m = 0 to 7
R18UZ0003EJ0501
Jan. 12, 2021
R R R R R R R R R
These bits indicate the logical start address within the EtherCAT address space.
13 12 11 10 9
FMMULEN
R R R R R
These bits specify the length for the area in bytes.
Logical end address specified by FMMU – Logical start address specified by FMMU + 1
6. EtherCAT Slave Controller Function
LSTAADR
R R R R R R R R R
Description
8 7 6 5 4 3
R R R R R R
Description
8 7 6 5 4 3 2 1 0
R R R R R R R R R
Address
2 1 0
400E 0604H
+ 0010H*m
R R R
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Address
400E 0600H
+ 0010H*m
Initial Value
0000 0000H
Initial
Value
0000H