Av.link Receive Module; Figure 122: Transmitter Core State Machine - Analog Devices Advantiv ADV7604 Hardware Manual

0x50[6]) or AVLINK_TX_ARBITRATION_LOST_MB2 (IO Map, Address 0x4F[6]). Refer
to Section 14
• A corresponding interrupt can be enabled for AVLINK_TX_RETRY_TIMOUT_RAW by
setting the mask AVLINK_TX_RETRY_TIMOUT _MB1 (IO Map, Address 0x50[5]) or
AVLINK_TX_RETRY_TIMOUT _MB2 (IO Map, Address 0x4F [5]). Refer to Section
for additional information on the interrupt feature.
The state machine for the AV.link transmit block is shown in
Susccesful mode 1
frame transmisiion ||
NACK detected ||
lowdrive detected

13.3 AV.link Receive Module

The AV.link receive module incorporates the functions of the AV.link device as follower. The host
utilizes the AV.link receiver module to receive the messages on the AV.link bus. The host, ready to
accept messages, informs the receive module by setting the AVL_RX_EN register to 1. The AV.link
receiver module starts monitoring the AV.link bus and accepts messages. When any message, except
for a polling message, is completed in the received buffer, the AV.link receiver module sets
AVLINK_RX_READY high to indicate the reception of a message. The host can then read the
received buffer to get the message that was addressed to the AV.link receiver.
Rev. F August 2010
for additional information on the interrupt feature.
[Frame done &&
(mde 1 || mode 3)] ||
[lowdrive && (mode 1
|| mode2 || mode 3)]
Hearder
ACKed

Figure 122: Transmitter Core State Machine

Figure
RX_ARB = 0
RX_ARB = 1
IDLE
(SFT period over ||
AVL_TX_ENABLE
assrted ) &&
transmission not
done
START Lowdrive detected
Start bit done
TX_DATA
Mode 2 Frame header EOM bit done ||
Mode 2 Frame Command Block ECT bit done
ACK_CHECK
366
122.
ARB_TNX
ADV7604
14