Echelon FTXL - Manual (Page 21)

FTXL User’s Guide 9
Table 3. Comparing Neuron-Hosted and Host-Based Solutions for L ON W ORKS Devices
Characteristic
Neuron-
Hosted
Solution ShortStack Solution FTXL Solution
Maximum number of
network variables
62 254 [1] 4096
Maximum number of
aliases
62 127 [2] 8192
Maximum number of
addresses
15 15 4096
Maximum number of
dynamic network
variables
0 0 4096
Maximum number of
receive transaction
records
16 16 200
Maximum number of
transmit transaction
records
2 2 2500
Support for the
LonTalk Extended
Command Set
No No Yes [3]
File access methods
supported
FTP [4] ,
DMF
FTP [4] , DMF FTP [4] , DMF [5]
Link-layer type N/A 4- or 5-line SCI
or
6- or 7-line SPI
11-line parallel I/O [6]
Typical host API
runtime footprint
N/A 5-6 KB code with 1 KB RAM
(includes serial driver, but
does not include optional
API or ISI API)
540 KB (includes
LonTalk protocol stack,
but does not include the
application or operating
system)
Host processor type N/A Any 8-, 16-, 32-, or 64-bit
microprocessor or
microcontroller
Altera Nios II embedded
processor
Application
development
language
Neuron C Any (typically ANSI C) ANSI C or C++ for the
Nios II processor