HI-6120_12 Datasheet, PDF (147/158 Pages) Holt Integrated Circuits – MIL-STD-1553 Remote Terminal ICs

HI-6120, HI-6121
HOST WRITE IN DUAL-BYTE MODE (8-BIT BUS WIDTH)
using BTYPE = 1 (“Intel Style” - OE Output Enable and WE Write Enable)
showing 2 bytes written for a single 16-bit word
A15:1
ADDRESS
A0 LB
CS
OE
WE
tWR
tINACT
tWR
tINACT
WAIT
D7:0
BYTE 0
BYTE 1
OE or WE
assertion
for the next
Read or Write
All timing intervals equal 0 ns MIN unless otherwise indicated.
HOST WRITE IN WORD MODE (16-BIT BUS WIDTH)
using BTYPE = 1 (”Intel Style” - OE Output Enable and WE Write Enable)
showing a one-word write cycle. Successive writes to sequential addresses have same timing.
A15:1
ADDRESS
CS
OE
WE
WAIT
D15:0
tINACT
tWR
WORD
OE or WE
assertion
for the next
Read or Write
All timing intervals equal 0 ns MIN unless otherwise indicated.
Figure 22.  Register and RAM Write Operations for BTYPE = 1
HOLT INTEGRATED CIRCUITS
147