AN-166

HOLT INTEGRATED CIRCUITS

2

Demo software overview

This overview flow chart shows the demo program at a glance.

Display header message on the serial console

Generate a hardware reset to the HI-3200

Write/Read basic configuration registers

ARINC 429 RX

in RAM?

3200Eval.c

ARINC 429 RX

in FIFOs?

ARINC 429 TX

with SPI?

CAN RX?

Read Mode switches

ARINC 429 TX

w/ descriptors?

ARINC 429 data

concentrator/repeater

Ex 1. ARINC 429 data

reception using on-chip

RAM

Ex 2. ARINC 429 data

reception using on-chip

filters and FIFOs

Ex 3. ARINC 429 data

transmission directly

from CPU

Ex 4. ARINC 429 data

transmission using on-

chip schedulers

Ex 5. ARINC 429 data

concentrator/repeater

ARINC 825 (CAN) bus

monitor/receiver

Yes

Yes

Yes

Yes

Yes

Yes

No

No

No

No

No

No

CAN TX?

ARINC 825 (CAN)

terminal/data manager

Yes

No

Full Bridge?

ARINC 429 – ARINC

825 (CAN) Autonomous

Bridge

No

Yes

The program enters the desired mode selected by the mode switches. To restart into a different mode,

reconfigure the mode switches and reset the board.