TMC8462 Datasheet • Document Revision V1.4 • 2018-May -09
144 / 204
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 0080h, 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 later be changed via SPI access to the TMC8462 memory, the memory at address
0580h corresponds to the beginning of the category data at EEPROM address 0084h.
It can also be used to set up the features of the MFCIO block available via the process data ram. Typically,
the EEPROM content is unique to a specific slave application and does not change. The required MFCIO
functional blocks and their parameters are configured into the slave controllers RAM for use along with
Sync Managers.
Note
The EEPROM content starting at address 0084h to address 0103h (128 bytes) will
be loaded into the EtherCAT slave controllers parameter memory at address
range 0580h to 05FFh.
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
0080h
-
Category header (Lo)
01h
00h
0081h
0082h
-
-
Category header (Hi)
Category data size in words (Lo)
31h (for the full MFCIO block config-
uration vector)
0083h
0084h
-
Category data size in words (Hi)
00h
0580h
Crossbar configuration
MFCIO00 Configuration (See Section
7.5)
0085h
0086h
0087h
0088h
0089h
008Ah
008Bh
008Ch
008Dh
0581h
0582h
0583h
0584h
0585h
0586h
0587h
0588h
0589h
Crossbar configuration
Crossbar configuration
Crossbar configuration
Crossbar configuration
Crossbar configuration
Crossbar configuration
Crossbar configuration
Crossbar configuration
Crossbar configuration
MFCIO01 Configuration
MFCIO02 Configuration
MFCIO03 Configuration
MFCIO04 Configuration
MFCIO05 Configuration
MFCIO06 Configuration
MFCIO07 Configuration
MFCIO08 Configuration
MFCIO09 Configuration
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