Figure 102: Using Cec Module As Initiator - Analog Devices ADV8003 Hardware Manual

ADV8003 Hardware Manual
Start
Write the outgoing CEC command into
the outgoing message registers
(CEC Map Reg 0x00 to 0x0F)
Set TX_FRAME_LENGTH
According to the number of bytes in
the outgoing message
Set TX_ENABLE to 1
Is Is
Is
NO NO
CEC_TX_ARBITRATION _LOST_INT
CEC_TX_READY_INT NO
CEC_TX_RETRY_TIMEOUT_INT
?
? ?
YES YES YES
Clear
Clear
Clear CEC_TX_READY_INT
CEC_TX_ARBITRATION_LOST_INT
CEC_TX_RETRY_TIMEOUT_INT
The last message sent by the CEC
The CEC controller lost arbitration controller was NOT acknowledged by
The last CEC message was sent
during the transmission of the last the target device within the number of
without error
CEC Message tranmission attempts specified in
TX_RETRY[2:0]
End

Figure 102: Using CEC Module as Initiator

Rev. B, August 2013 303