HS-3282
Pin Description
PIN
1
SYMBOL
SECTION
Recs/Trans
Receiver
Receiver
Receiver
Receiver
Receiver
Receiver
Receiver
Receiver
Receiver
Recs/Trans
DESCRIPTION
V
Supply pin 5 volts ±5%.
CC
2
429 DI1 (A)
429 DI1 (B)
429 Dl2 (A)
429 DI2 (B)
D/R1
ARlNC 429 data input to Receiver 1.
ARlNC 429 data input to Receiver 1.
ARINC 429 data input to Receiver 2.
ARINC 429 data input to Receiver 2.
3
4
5
6
Device ready flag output from Receiver 1 indicating a valid data word is ready to be fetched.
Device ready flag output from Receiver 2 indicating a valid data word is ready to be fetched.
Bus Data Selector - Input signal to select one of two 16-bit words from either Receiver 1 or 2.
Input signal to enable data from Receiver 1 onto the data bus.
7
D/R2
8
SEL
9
EN1
10
11
EN2
Input signal to enable data from Receiver 2 onto the data bus.
BD15
Bi-directional data bus for fetching data from either of the Receivers, or for loading data into
the Transmitter memory or control word register. See Control Word Table for description of
Control Word bits.
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
BD14
BD13
BD12
BD11
BD10
BD09
BD08
BD07
BD06
GND
BD05
BD04
BD03
BD02
BD01
BD00
PL1
Recs/Trans
Recs/Trans
Recs/Trans
Recs/Trans
Recs/Trans
Recs/Trans
Recs/Trans
Recs/Trans
Recs/Trans
Recs/Trans
Recs/Trans
Recs/Trans
Recs/Trans
Recs/Trans
Recs/Trans
Recs/Trans
Transmitter
Transmitter
See Pin 11.
See Pin 11.
See Pin 11.
See Pin 11.
See Pin 11.
See Pin 11.
See Pin 11.
See Pin 11.
See Pin 11.
Circuit Ground.
See Pin 11.
See Pin 11. Control Word function not applicable.
See Pin 11. Control Word function not applicable.
See Pin 11. Control Word function not applicable.
See Pin 11. Control Word function not applicable.
See Pin 11. Control Word function not applicable.
Parallel load input signal loading the first 16-bit word into the Transmitter memory.
PL2
Parallel load input signal loading the first 16-bit word into the Transmitter memory and initiates
data transfer into the memory stack.
30
TX/R
Transmitter
Transmitter flag output to indicate the memory is empty.
5-185
INTERSIL [ Intersil ]
