hi-3593 Holt Integrated Circuits, Inc., hi-3593 Datasheet - Page 3
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hi-3593
Manufacturer Part Number
hi-3593
Description
3.3v Arinc 429 Dual Receiver, Single Transmitter With Spi Interface
Manufacturer
Holt Integrated Circuits, Inc.
Datasheet
1.HI-3593.pdf
(23 pages)
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PIN DESCRIPTIONS
INSTRUCTIONS
Instruction op codes are used to read, write and configure the HI-
3593. When
instruction op code into the decoder, starting with the first rising
edge. The op code is fed into the SI pin, most significant bit first.
For write instructions, the most significant bit of the data word must
immediately follow the instruction op code and is clocked into its
register on the next rising SCK edge. Data word length varies
depending on word type written: 8-bit Control Register writes, 32-
bit ARINC label writes or 256-bit writes to a channel’s label-
matching enable/disable memory.
For read instructions, the most significant bit of the requested data
word appears at the SO pin after the last op code bit is clocked into
the decoder, at the next falling SCK edge. As in write instructions,
the data field bit-length varies with read instruction type.
RIN1A-40
RIN1B-40
RIN2A-40
RIN2B-40
SIGNAL
TEMPTY
TXBOUT
TXAOUT
R2FLAG
R1FLAG
TFULL
RIN1A
RIN1B
RIN2A
RIN2B
MB1-1
MB1-2
MB1-3
MB2-1
MB2-2
MB2-3
R2INT
R1INT
AMPB
AMPA
ACLK
SCLK
GND
CN+
VDD
CP+
CN-
CP-
MR
CS
SO
V+
SI
V-
CS
CONVERTER
CONVERTER
CONVERTER
CONVERTER
CONVERTER
CONVERTER
FUNCTION
goes low, the next 8 clocks at the SCK pin shift an
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
POWER
POWER
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
Alternate ARINC receiver 1 positive input. Requires external 40K ohm resistor
ARINC receiver 1 positive input. Direct connection to ARINC 429 bus
ARINC receiver 1 negative input. Direct connection to ARINC 429 bus
Alternate ARINC receiver 1 negative input. Requires external 40K ohm resistor
Alternate ARINC receiver 2 positive input. Requires external 40K ohm resistor
ARINC receiver 2 positive input. Direct connection to ARINC 429 bus
ARINC receiver 2 negative input. Direct connection to ARINC 429 bus
Alternate ARINC receiver 2 negative input. Requires external 40K ohm resistor
Master Reset. A positive pulse clears Receive and Transmit data FIFOs and flags 50K ohm pull-down
Master timing source for the ARINC 429 receiver and transmitter
Chip Select. Data is shifted into SI and out of SO when
SPI interface serial data input
SPI Clock. Data is shifted into or out of the SPI interface using SCK
SPI interface serial data output
Chip 0V supply
Goes high when Receiver 1, Priority-Label Mail Box 1 contains a message
Goes high when Receiver 1, Priority-Label Mail Box 2 contains a message
Goes high when Receiver 1, Priority-Label Mail Box 3 contains a message
Goes high when Receiver 2, Priority-Label Mail Box 1 contains a message
Goes high when Receiver 2, Priority-Label Mail Box 2 contains a message
Goes high when Receiver 2, Priority-Label Mail Box 3 contains a message
Receiver 2 programmable Interrupt pin
Goes high as defined by Flag / Interrupt Assignment Register
Receiver 1 programmable Interrupt pin
Goes high as defined by Flag / Interrupt Assignment Register
Goes high when the Transmit FIFO is empty
Goes high when the Transmit FIFO contains the maximum 32 ARINC 429 words
ARINC line driver negative output. Direct connection to ARINC 429 bus
Alternate ARINC line driver negative output. Requires external 32.5 ohm resistor
ARINC line driver positive output. Direct connection to ARINC 429 bus
Alternate ARINC line driver positive output. Requires external 32.5 ohm resistor
DC/DC negative voltage output
DC/DC converter fly capacitor for V-
DC/DC converter fly capacitor for V-
DC/DC positive voltage output
DC/DC converter fly capacitor for V+
DC/DC converter fly capacitor for V+
Chip 3.3V supply
HOLT INTEGRATED CIRCUITS
DESCRIPTION
HI-3593
3
SPI Instructions are of a common format. The first bit specifies
whether the instruction is a write “0” or read “1” transfer. The next
five bits specify the source or destination of the associated data
byte(s), and the last two bits are “don’t care”.
MSB
SPI INSTRUCTION FORMAT
CS
7
is low.
6
Destination
5
Source /
4
3
2
X
1
INTERNAL PULL UP / DOWN
50K ohm pull-down
50K ohm pull-down
50K ohm pull-down
X
0
50K ohm pull-up
LSB