Echelon FTXL User Manual

Page 200

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188

Determining Memory Usage for FTXL Applications

Table 54. Example Memory Usage

Number of
Network

Variables

Number of
Transmit

Transactions

Number of
Receive

Transactions

Number
of

Aliases

Number
of

Address

Table
Entries

RAM
Required

(in KB)

Flash
Required

(in KB)

10 15

20

3 15

721

519

100 20

20

33 20 757 529

250 50

20

83 50 822 545

500 101

20

166 101 932 571

1000 203

25

333 203 1153 625

2000 407

50

666 407 1601 731

4000 814

100

1333

814 2497 945

Figure 24 on page 189 shows the relative RAM and flash memory requirements

for the data listed in Table 54. The figure shows that as the number of network

variables for the FTXL application grows, the RAM requirement grows
significantly, while the flash requirement grows modestly. These memory

requirements do not include the requirements for application-specific data.

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