TMC8462 Datasheet • Document Revision V1.4 • 2018-May -09
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6.3 EtherCAT Register Overview
TMC8462 has an address space of 20 KByte. The first block of 4KByte (0x0000:0x0FFF) is reserved for the
standard ESC- and EtherCAT-relevant configuration and status registers. The Process Data RAM (PDRAM)
starts at address 0x1000. TMC8462 has a Process Data RAM of 16 Kbyte.
Address
Length
(Byte)
Description
ESC Information
Type
0x0000
1
1
2
1
1
1
1
2
0x0001
Revision
0x0002:0x0003
0x0004
Build
FMMUs supported
SyncManagers supported
RAM Size
0x0005
0x0006
0x0007
Port Descriptor
ESC Features supported
0x0008:0x0009
Station Address
0x0010:0x0011
0x0012:0x0013
2
2
Configured Station Address
Configured Station Alias
Write Protection
0x0020
0x0021
0x0030
0x0031
1
1
1
1
Write Register Enable
Write Register Protection
ESC Write Enable
ESC Write Protection
Data Link Layer
ESC Reset ECAT
0x0040
1
1
4
2
2
0x0041
ESC Reset PDI
0x0100:0x0103
0x0108:0x0109
0x0110:0x0111
ESC DL Control
Physical Read/Write Offset
ESC DL Status
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