
RTS-5
1.3 Internal Registers
The RTS uses two internal registers to allow the host to
control the RTS operation and monitor its status. The host
uses the Control (CTRL) signal along with Chip Select (CS),
Read/Write (RD/WR), and Output Enable (OE) to read the
16-bit Status Register or write to the 13-bit Control Register.
No address data is needed to select a register. The Control
Register toggles bits in the MIL-STD-1553B status word,
enables the biphase inputs, recognizes broadcast
commands, selects Notice I and II or III, determines RAM
Busy (RBUSY) timing, selects disconnect or terminal active
flag, and puts the part in self-test mode. The Status Register
supplies operational status of the UT1760A RTS to the host.
These registers must be initialized before attempting RTS
operation. Internal registers can be accessed while RBUSY
is active.
Subaddress/Mode Code
RAM Location
Subaddress/Mode Code
RAM Location
Transmit Vector Word Mode Code
Receive Subaddress
Receive Subaddress
Receive Subaddress
Receive Subaddress
Receive Subaddress
Receive Subaddress
Receive Subaddress
Receive Subaddress
Receive Subaddress
Receive Subaddress
Receive Subaddress
Receive Subaddress
Receive Subaddress
Receive Subaddress
Receive Subaddress
Receive Subaddress
Receive Subaddress
Receive Subaddress
Receive Subaddress
Receive Subaddress
Receive Subaddress
Receive Subaddress
Receive Subaddress
Receive Subaddress
Receive Subaddress
Receive Subaddress
Receive Subaddress
Receive Subaddress
Receive Subaddress
Receive Subaddress
Synchronize w/Data Word Mode Code
3C0 (hex)
3C1 (hex)
3C2 (hex)
3C3 (hex)
3C4 (hex)
3C5 (hex)
3C6 (hex)
3C7 (hex)
3C8 (hex)
3C9 (hex)
3CA (hex)
3CB (hex)
3CC (hex)
3CD (hex)
3CE (hex)
3CF (hex)
3D0 (hex)
3D1 (hex)
3D2 (hex)
3D3 (hex)
3D4 (hex)
3D5 (hex)
3D6 (hex)
3D7 (hex)
3D8 (hex)
3D9 (hex)
3DA (hex)
3DB (hex)
3DC (hex)
3DD (hex)
3DE (hex)
3DF (hex)
Transmit Last Command Mode Code
Transmit Subaddress
Transmit Subaddress
Transmit Subaddress
Transmit Subaddress
Transmit Subaddress
Transmit Subaddress
Transmit Subaddress
Transmit Subaddress
Transmit Subaddress
Transmit Subaddress
Transmit Subaddress
Transmit Subaddress
Transmit Subaddress
Transmit Subaddress
Transmit Subaddress
Transmit Subaddress
Transmit Subaddress
Transmit Subaddress
Transmit Subaddress
Transmit Subaddress
Transmit Subaddress
Transmit Subaddress
Transmit Subaddress
Transmit Subaddress
Transmit Subaddress
Transmit Subaddress
Transmit Subaddress
Transmit Subaddress
Transmit Subaddress
Transmit Subaddress
Transmit Bit Word Mode Code
3E0 (hex)
3E1 (hex)
3E2 (hex)
3E3 (hex)
3E4 (hex)
3E5 (hex)
3E6 (hex)
3E7 (hex)
3E8 (hex)
3E9 (hex)
3EA (hex)
3EB (hex)
3EC (hex)
3ED (hex)
3EE (hex)
3EF (hex)
3F0 (hex)
3F1 (hex)
3F2 (hex)
3F3 (hex)
3F4 (hex)
3F5 (hex)
3F6 (hex)
3F7 (hex)
3F8 (hex)
3F9 (hex)
3FA (hex)
3FB (hex)
3FC (hex)
3FD (hex)
3FE (hex)
3FF (hex)
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30