hi-8783 Holt Integrated Circuits, Inc., hi-8783 Datasheet - Page 4

• Manufacturer Part Number: hi-8783
• Description: 8 Bit Parallel Data In / Arinc Serial Data Out
• Manufacturer: Holt Integrated Circuits, Inc.

TIMING DIAGRAMS
DATA BUS
XMIT CLK
561 SYNC
WRITE
XMT RDY
WRITE
XMT RDY
DATA ONE (HI-8783 only)
DATA ZERO (HI-8783 only)
ARINC 429 DATA (HI-8784 & HI-8785 only)
561 DATA
A0
32
(TXAOUT-TXBOUT)
33
GAP
34
t
ASW
35
t
WPW
t
SET
36
BYTE 1 VALID
DATA TRANSMISSION - EXAMPLE PATTERN
t
1
t
HLD
AH
HOLT INTEGRATED CIRCUITS
t
HI-8783, HI-8784, HI-8785
WPD
2
t
TRANSMITTER OPERATION
ASW
3
BYTE 2 VALID
4
LOW DURING CLK 8
4
31
32
33
34
GAP
BYTE 4 VALID
t
35
XD
36
1
2