Features

Required for all standard loadable firmwares (*.NXF)
Boot loader program Size < 64 Kbyte binary code to allow loading via DPM on netX100/500
Serial COM support
USB / CDC support
DPM support (including host interrupt enabled in DPM mode)

Security FLASH read / write access to user data area
File System FAT based (format / read / write) on serial flash only
Standard DPM layout for "System Channel" and "Handshake Channel" (like defined in netX DPM Manual)
Extended read and write mailboxes for faster firmware download
System channel hardware information handling
Hardware independent (executed in netX internal memory)
Boot loader update
File System Restore from SD/MMC
License Update

Limitations

The boot loader does not include a FTL (Flash Translation Layer) and is limited to a FAT file system on the serial flashes only.
Wear-leveling is not available
For entering USB boot mode of the second stage loader, it is necessary to add an additional jumper/switch (see netX ROM Loader documentation on how to enter extension bus boot mode, to design your hardware)
Ethernet support not included
DMA data transfer not included
Firmware cannot be loaded into internal RAM, as this is used by boot loader
Only serial flashes with the feature "erase single pages" are supported (see list in appendix)
License codes currently not readable on a netX50 based hardware
License Updates can not be executed on a netX50/netX10/netX51 based hardware
SDRAM and DPM cannot be used simultaneously on netX10