CT2577 Datasheet, PDF (21/41 Pages) Aeroflex Circuit Technology – APPLICATION NOTE 108

SUMMARY OF OPERATION
Device can be either RT or BC.
1. ADDR = 1 00 06 (Write)
OR
ADDR = 1 00 07 (Write)
Select offline self test.
Select online self test.
2. ADDR = 1 00 10 (Write)
OR
ADDR = 1 00 18 (Write)
Select bus 0.
Select bus 1.
3. ADDR = 2 01-1E 00 (Write) DATA = n
OR
ADDR = 0 01-1E 00 (Write) DATA = n
Write self test data to BCAST location.
Write self test data to RECEIVE location.
4. ADDR = 0 00 00 (Write) DATA = 1F 0 01-1E 01
OR
ADDR = 0 00 00 (Write) DATA = RTAD 0 01-1E 01
Transmit message (Bcast receive 1 word).
Transmit message (Receive 1 word).
5. ADDR = 2 01-1E 00 (Write) DATA = 0
OR
ADDR = 0 01-1E 00 (Write) DATA = 0
Write 0 to self test location.
Write 0 to self test location.
6. ADDR = 2 01-1E 00 (Read) DATA = 0
OR
ADDR = 0 01-1E 00 (Read) DATA = 0
Read 0 from self test location.
Read 0 from self test location.
7. ADDR = 2 01-1E 00 (Read) DATA = n
OR
ADDR = 0 01-1E 00 (Read) DATA = n
Read self test data after NCMDSTRB.
Read self test data after NCMDSTRB.
8. ADDR = 0 00 00 (Read) DATA = 1F 0 01-1E 01
Read command from command memory.
OR
or ADDR = 0 00 00 (Read) DATA = RTAD 0 01-1E 01 Read command from command memory.
9. ADDR = 1 00 08 (Write)
ADDR = 0 00 01 (Read)
Disable self test.
Read device status:
Bit 6 = Offline self test.
Bit 7 = Online self test
APPLICATION NOTE #108
21
Released 9/98