Figure 121: Av.link Command Block - Analog Devices Advantiv ADV7604 Hardware Manual

AVL_TX_FRAME_MODE[1:0], Outgoing Message Frame Mode , AVLINK Map, Address 0x00,
[1:0]
Function
AVL_TX_FRAME
_MODE[1:0]
xx
00
AVL_TX_FRAME_ECT, Outgoing Message ECT bit , AVLINK Map, Address 0x00, [0]
Function
AVL_TX_FRAME
_ECT
x
0
AVL_TX_FRAME_LENGTH[4:0], Outgoing Message Length , AVLINK Map, Address 0x0F,
[7:0]
Function
AVL_TX_FRAME
_LENGTH[7:0]
xxxxxxxx
00000000
AVL_TX_ENABLE, AV.Link Message Transmission Enable , AV.link Map, Address 0x10, [0]
Function
AVL_TX_ENABL
E
0
1
The ADV7604 features three raw statuses for the transmission of AV.link messages:
• AVLINK_TX_READY_RAW
• AVLINK_TX_ARBITRATION_LOST_RAW
• AVLINK_TX_RETRY_TIMOUT_RAW
Only one of the above statuses can be set at a time. Any of these three statuses can cause the AV.link
transmit module to stop the transmission process immediately.
Rev. F August 2010
Description
Frame mode of next outgoing message (refer to Section 12.5)
Default value
Description
ECT bit that is the ninth bit in command block (refer to
Default value
Description
Number of bytes in outgoing message including header
Default value
Description
Last AV.link message has been tentatively transmitted.
Host sets this bit to 1 to start the transmission of a message. This bit is
set back to 0 by the part once the message has been tentatively
transmitted.

Figure 121: AV.link Command Block

364
ADV7604
Figure 121)