Core429-DEV-KIT Actel, Core429-DEV-KIT Datasheet - Page 15

• Manufacturer Part Number: Core429-DEV-KIT
• Description: MCU, MPU & DSP Development Tools ARINC 429 Bus Interface
• Manufacturer: Actel

Specifications of Core429-DEV-KIT

• Processor To Be Evaluated: ProASIC Plus
• Interface Type: RS-232

Status Register
Core429 contains a 16-bit status register which can be read to determine the status of the ARINC receivers, data FIFOs,
and transmitter. The contents of the status register are output on the databus when RSEL is low and STR is low. Each
bit of the control register description is explained in
Table 21 •
Bit
0
1
2
3
4
5
6
7
8
Legacy Status Register
Transmitter FIFO Half Full
Receiver 1 FIFO Half Full
Receiver 2 FIFO Half Full
Transmitter FIFO Empty
Receiver 1 FIFO Empty
Receiver 2 FIFO Empty
Transmitter FIFO Full
Receiver 1 FIFO Full
Receiver 2 FIFO Full
Function
Reset State
0
0
0
0
0
0
0
0
0
Table
v5.0
21.
Type
R
R
R
R
R
R
R
R
R
0 = Receiver 1 FIFO not empty
1 = Receiver 1 FIFO empty
0 = Receiver 1 FIFO not half full
1 = Receiver 1 FIFO half full
0 = Receiver 1 FIFO not full
1 = Receiver 1 FIFO full
0 = Receiver 2 FIFO not empty
1 = Receiver 2 FIFO empty
0 = Receiver 2 FIFO not half full
1 = Receiver 2 FIFO half full
0 = Receiver 2 FIFO not full
1 = Receiver 2 FIFO full
0 = Transmitter FIFO not empty
1 = Transmitter FIFO empty
0 = Transmitter FIFO not full
1 = Transmitter FIFO full
0 = Transmitter FIFO not half full
1 = Transmitter FIFO half full
Description
ARINC 429 Bus Interface
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