Core1553BBC-SKT MICROSEMI, Core1553BBC-SKT Datasheet - Page 17

• Manufacturer Part Number: Core1553BBC-SKT
• Description: Programmable Logic Development Tools Bus Controller
• Manufacturer: MICROSEMI

Table 16 • Message Block (Continued)
Offset
6
7
Contents
Reserved
TSW
Written by Description
BC
–
Message Transfer Status Word. Provides status information on the message block. The CPU
should clear this field when setting up the message block
11:9
15:0
5:0
15
14
13
12
8
7
6
Message Okay
'1': Message completed okay with no errors. May have been retried.
'0': Message failed after all retries completed
No response from RT
RT Signaled Message Error
1553B Error occurred, encoding, parity, too many words, etc.
Number of retry attempts to transmit the message (0-6)
Unexpected bit set in the status word
Got the RT-to-RT RX status word
Got the status word, for RT-to-RT got the TX status word
Number or data words transmitted or received.
Note: '000000' indicates 0 and '100000' indicates 32
Not Used
v4.0
Core1553BBC MIL-STD-1553B Bus Controller
17