HI-3585PCI HOLTIC [Holt Integrated Circuits], HI-3585PCI Datasheet - Page 9

• Manufacturer Part Number: HI-3585PCI
• Description: ARINC 429 May 2009 Terminal IC with SPI Interface
• Manufacturer: HOLTIC [Holt Integrated Circuits]

TIMING DIAGRAMS
ARINC DATA
TXAOUT
TXBOUT
RFLAG
SCK
SCK
CS
CS
SO
SI
SO
CS
SI
t
CHH
BIT 31
DATA
Hi Impedance
ARINC BIT
BIT 30
t
SCKH
t
DS
BIT 32
NULL
t
RFLG
t
SCKL
SPI INSTRUCTION 08h, (or 09h)
DATA
t
MSB
t
DV
RXR
MSB
BIT 31
t
t
CES
CES
HOLT INTEGRATED CIRCUITS
DATA RATE - EXAMPLE PATTERN
NULL
SERIAL INPUT TIMING DIAGRAM
SERIAL OUTPUT TIMING DIAGRAM
t
t
CYC
CYC
t
t
SPIF
DH
WORD 1
RECEIVER OPERATION
ARINC
DATA
HI-3585
BIT 32
9
WORD 2)
(ARINC
NULL
t
SCKR
WORD 3)
(ARINC
t
SCKF
WORD GAP
LSB
t
t
CEH
CHZ
LSB
NEXT WORD
BIT 1
t
t
CPH
CPH
Hi Impedance