参数资料
型号: CORE1553BRT-AR
厂商: Microsemi SoC
文件页数: 45/74页
文件大小: 0K
描述: IP MODULE CORE1553 REMOTE TERM
标准包装: 1
系列: *
Core1553BRT v4.0 Handbook
Table 6-6 ? TMSGREQ Record Structure
Element
RT
Type
INTEGER, 0 to 31 0
Default
Function
Command word RT value. Broadcast is supported
when the RT number is 31.
TX
INTEGER, 0 to 1
0
Command word TX value
SA
MCWC
INTEGER, 0 to 31 0
INTEGER, 0 to 32 0
Command word SA value
Word count or mode code value. For data transfers,
values 1 to 32 should be used, and for mode codes,
values 0 to 31.
RTRT
BOOLEAN
FALSE
If TRUE, an RT-to-RT command pair is transmitted.
The transmit command word uses the RT, TX, and SA
elements.
RT2
SA2
INTEGER, 0 to 31 0
INTEGER, 0 to 31 0
RT command word value for the receive RT in RT-to-
RT messages
SA command word value for the receive RT in RT-to-
RT messages
DATA
PACKET
Unknown, i.e., 'U' Data to be transmitted for an RT receive message.
This is an array(0 to 31) of WORD; WORD is
std_logic_vector(15 down to 0). Index 0 is used for
mode code data. For example:
DATA(0) <= "0000111100001111";
DATA(1) <= to_word(16#1234#);
DATA
<= initdata(16#1000#);
DATA
<= initdata(16#5555#,0);
The first example sets the first data word using
standard VHDL assignments to std_logic_vector. The
second example uses a function provided in one of the
underlying Core1553B packages to set the word to the
hexadecimal value 1234. The third example uses
another function call to set the complete data pattern
to an incrementing value starting at 1000 hex. The
final example sets the complete data pattern to 5555
hex. The second argument is the increment between
consecutive data words.
Table 6-7 ? TQMSGOUT Record Structure
Structure Element
Type
Function
OKAY
BOOLEAN Indicates that the message was correctly processed with no errors.
COUNT
CW1
CW2
SW1
SW2
DATA
INTEGER
WORD
WORD
WORD
WORD
PACKET
Number of words received
First command word
Second command word. If no second command word, will contain '–'
in all 16 bits.
First status word. If no status word, will contain '–' in all 16 bits.
Second status word. If no status word, will contain '–' in all 16 bits (only
for RTRT messages).
Data packet for the message. When the RT is receiving, it will contain
a copy of the transmitted data when transmitting the data the RT
transmitted. On RT-to-RT messages, the data transferred between the
RTs will be provided. For mode codes, the data word will be in the first
location, i.e., DATA(0).
Revision 3
45
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