Software architecture
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2.2.2
Firmware use cases
2.2.2.1
Use case A: Small footprint slave device
The communication firmware is running in internal RAM and internal flash
and does not require external SDRAM or SQI Flash.
This applies to “traditional” Fieldbus protocol firmware (protocol stack
running in channel 0 of DPM) and “standard” Real-Time Ethernet protocol
firmware including a basic web server (protocol stack running in channel 0
and “network services” running in channel 1 of DPM).
·
Communication firmware size is ≤ 500 KByte and located only in
INTFLASH0
·
Firmware update area of 380 KByte is located in INTFLASH1
·
Application CPU can use external SQI Flash and external SDRAM (if
implemented) exclusively (as defined in hardware configuration)
Figure 3: Use case A: Small footprint flash layout example
netX 90 | Production guide
DOC190101PG03EN | Revision 3 | English | 2019-07 | Released | Public
© Hilscher 2019
