Aeroflex Circuit Technology
8 BIT INTERNAL HIGHWAY
RT Command Word Register
MUX
ENCODER
INTERFACE
UNIT
RECEIVE
FIFO
BUFFER
TRANSMIT
FIFO
BUFFER
Receive Command Register
Command Word #1 Register
32 x 16
32 x 16
VW/CMD Word #2/AMD Register
MUX
DECODER "0"
1k x 16
Sync/Stat WD #2/RMD Register
RECEIVE
RAM
Operation Register
Driver
Select
and
Enable
DECODER "1"
MUX
1k x 16
INPUT
FIFO
BUFFER
OUTPUT
FIFO
BUFFER
SELF TEST
CIRCUITRY
STATUS
WORD
CONTROL
TRANSMIT
RAM
Status Word #1 Register
INTERNAL
HIGHWAY
CONTROL
ARBITRATION
AND
CONTROL LOGIC
32 x 16
32 x 16
BI-DIRECTIONAL
I/O DATA BUFFER
8 or 16 BIT SYSTEMS BUS
HANDSHAKE and CONTROL SIGNALS
Control Signals and Interrupts
ADDRESS
DISCRETE INPUT/OUTPUT SIGNALS
BUS "0"
Transceiver
"0"
2
BUS "1"
Transceiver
"1"
Terminal
Address
Inputs
SCD7005 REV B 8/2/01
Plainview NY (516) 694-6700
Figure 1 – FUNCTIONAL BLOCK DIAGRAM
AEROFLEX [ AEROFLEX CIRCUIT TECHNOLOGY ]
