Datasheet

TMC8462 Datasheet • Document Revision V1.5 • 2019-June-21
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7.4 SII EEPROM MFC IO Block Parameter Map
This section describes the part of the EEPROM content and XML/ESI file that is used to configure the MFC
IO block.
MFC IO configuration data is automatically loaded at startup from EEPROM to the ESC Parameter RAM start-
ing at address 0x0580 of the the ESC register set. Therefore, this configuration data has to be of Category 1 .
When a Category 1 block is present in the EEPROM at address 0080
h
, the EEPROM configuration is auto-
matically loaded at power up of the TMC8462. It is used for setting up the basic TMC8462 EtherCAT related
features.
The configuration can also later be changed during operation via PDI access or via ECAT master access to
the TMC8462 memory starting at 0580
h
. The memory at address 0580
h
corresponds to the beginning of
the category data at EEPROM address 0084
h
.
Note
The MFC IO block parameters and register can be mapped into the the ESC
Process Data RAM. For some applications and combinations it is possible to use
these registers as cyclic data within a SyncManager. This is not possible for all
registers and combinations and depends on the use case!
Note
The EEPROM content starting at address 0084
h
to address 0103
h
(128 bytes) will
be loaded into the EtherCAT slave controllers parameter memory at address
range 0580
h
to 05FF
h
.
If the category is shorter than 128 bytes, only the amount of data specified by
’Category data size’ is copied with the remaining bytes being reset to 0.
Address
in EEPROM
Address in
ESC RAM
Group Function
0080
h
- Category header (Lo) 01
h
0081
h
- Category header (Hi) 00
h
0082
h
- Category data size in words (Lo) 31
h
(for the full MFCIO block config-
uration vector)
0083
h
- Category data size in words (Hi) 00
h
0084
h
0580
h
Crossbar configuration MFCIO00 Configuration (See Section
7.5)
0085
h
0581
h
Crossbar configuration MFCIO01 Configuration
0086
h
0582
h
Crossbar configuration MFCIO02 Configuration
0087
h
0583
h
Crossbar configuration MFCIO03 Configuration
0088
h
0584
h
Crossbar configuration MFCIO04 Configuration
0089
h
0585
h
Crossbar configuration MFCIO05 Configuration
008A
h
0586
h
Crossbar configuration MFCIO06 Configuration
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