HI-6120 HOLTIC [Holt Integrated Circuits], HI-6120 Datasheet - Page 19

• Manufacturer Part Number: HI-6120
• Description: MIL-STD-1553 Remote Terminal ICs
• Manufacturer: HOLTIC [Holt Integrated Circuits]

0x7FFF
0x03FF
0x01FF
0x00FF
0x0400
0x0200
0x0100
0x0000
Multiple Descriptor Tables can be
Initialized by the host, this table
Comprising 97% of the memory
defined by the Descriptor Table
used for fast context switching.
The active Descriptor Table is
identifies illegal commands.
address space, this RAM is
Subaddress Data Buffers.
allocated into subaddress
Defines terminal behavior
Base Address Register.
for valid commands:
Illegalization Table.
how data is stored,
host interrupts, etc.
data buffers by the
Descriptor Table.
Descriptor Table.
Expanded at right
Host-Allocated
512 Words
256 Words
Figure 2. Address Mapping for Registers and RAM
HOLT INTEGRATED CIRCUITS
HI-6120, HI-6121
19
0x00FF
0x0060
0x005F
0x0040
0x003F
0x0020
0x001F
0x0000
Temporary Receive Data Buffer.
Registers (listed on next page)
can be assigned by the host.
Interrupt Log Data Buffer.
This space in shared RAM
Unallocated Memory.
32 Locations
160 Words
32 Words
32 Words