abaco systems CEI-520 - Table 39. CEI-X20 Family Features

Program Interface Library Overview
CEI-100/CEI-200/CEI-x20 User’s Manual 56
Table 39 lists the transmitter and receiver buffer sizes for various members
of the CEI-x20 family, and many of the other features of these boards.
Table 39. CEI-x20 Family Features
Feature
CEI-220
CEI-420/420A
CEI-520/520A
CEI-620
CEI-820
CEI-820TX
RAM
64 KB
64 KB
512 KB
512 KB
1 MB
2MB
Max Rx/Tx
12/12
8/8
16/16
16/16
8/8
1/32
Rx Buffer per
Channel
512 words
512 words
4096 words
4096 words
4096 words
8192 words
Merged Mode
Rx Buffer (8
ch)*
2048 ARINC
words
2048 ARINC
words
16384 ARINC
words
16384
ARINC
words
16384
ARINC
words
4096 words
(only 1 rx
channel)
Tx Buffer per
Channel
512 words
512 words
1024 words
1024 words
1024 words
4096 words
717/573 Tx
Buffer Size
512 words
512 words
4096 words
4096 words
4096 words
n/a
Scheduled
Mode Buffer
120 Labels
120 Labels
120 Labels
120 Labels
120 Labels
120 Labels
Concurrent
Burst and
Scheduled
Transmit
No
No
Yes
Yes
Yes
Yes
Dedicated
Mode Buffer
Shared with
Rx
Shared with Rx
Separate buffer
Separate
buffer
Separate
buffer
Separate
buffer
Concurrent
Buffered &
Dedicated
Receive
No
No
Yes
Yes
Yes
Yes
573/717 Frame
Mode
No
No
Yes
Yes
Yes
n/a
Label Filtering
SDI, Label
SDI, Label
SDI, Label,
eSSM
SDI, Label,
eSSM
SDI, Label,
eSSM
SDI, Label,
eSSM
Block Transfers
No
No
Yes
Yes
Yes
Yes
Interrupt on
Rx/Tx or
Discretes
No
No
Yes
Yes
Yes
Yes
Interrupt Event
Queue
No
No
Yes
Yes
Yes
Yes
Signal Tx on Rx
data
No
No
Yes
Yes
Yes
Yes (up to 16
tx channels)
* In Merged mode, each ARINC word takes two words, one for the label
and one for the time tag/channel identifier.
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