Chapter 4
Receive/ Monitor Mode
DAS-429PCI/Mx: User’s Manual
page 4 - 17
Sequential
Mode
The Channel
x
Receive Label Trigger register is used in conjunction with the
Receiver Label Trigger bit in the Channel
x
Configuration Register. (See
Channel
x Configuration Register
on page 3-3 in Transmit mode and
Channel x Configuration
Register
on page 4-14 in Receive/Monitor mode).
This register enables the reception and storage of data upon receipt of a unique
ARINC-429 label. All ARINC words received prior to the first instance of this
label will not be stored by the board.
The Channel
x
Interrupt Condition register selects which conditions will cause
an interrupt to be generated. Bits 02 through 06 are used for receive channels.
Bits 00 and 01 are used in Transmit mode. (See Transmit mode
Channel x Interrupt
Condition Register
on page 3-5.)
4.5.11
Channel x Receive Label Trigger Register
Write
00
Label
15 8
7 0
Channel x Receive Label Trigger Register
4.5.12
Channel x Interrupt Condition Register
Write
Bit
Description - Interrupt Conditions
07-15
0
06
Receiver - Stopped on Buffer Full
05
Receiver - Error Word Received
04
Receiver - Data Word Count Trigger
1
1.
To activate the Data Word Count Trigger interrupt, set the Channel x Receive Word Counter
Trigger Register (See
Channel x Receive Data Word Counter Trigger Register,
page 4-16).
03
Receiver - Interval Count Trigger
2
2.
To activate the Interval Count Trigger interrupt, set the Channel x Receive Interval counter
Trigger register. See
Channel x Receive Interval Counter Trigger Register,
page 4-16
02
Receiver - Label Received
3
3.
The Label Received interrupt only occurs upon reception of a label which has been marked
for interrupt in a Filter table or Look-up table
01
Not used in Receiver mode
00
Not used in Receiver mode
Channel x Interrupt Condition Register – Receive Mode
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