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TCU DTI interface signals

The following table shows the TCU DTI interface signals.

Table A-8 TCU DTI interface signals

Signal

Direction

Description

tvalid_dti_dn

Master to slave.

Flow control signal.

tready_dti_dn

Slave to master.

Flow control signal.

tdata_dti_dn

Master to slave.

Message data signal.

tid_dti_dn

Master to slave.

Identifies the master that initiated the message.

tlast_dti_dn

Master to slave.

Indicates the last cycle of a message.

tkeep_dti_dn

Master to slave.

This signal indicates valid bytes.

tvalid_dti_up

Slave to master.

Flow control signal.

tready_dti_up

Master to slave.

Flow control signal.

tdata_dti_up

Slave to master.

Message data signal.

tdest_dti_up

Slave to master.

Identifies the master that is receiving the message.

tlast_dti_up

Slave to master.

Indicates the last cycle of a message.

tkeep_dti_up

Slave to master.

Indicates valid bytes.

twakeup_dti_up

Slave to master.

Wakeup signal.

twakeup_dti_dn

Master to slave.

Wakeup signal.

See the Arm AMBA 4 AXI4‑Stream Protocol Specification for more information about the DTI signals.

See the Arm AMBA Distributed Translation Interface (DTI) Protocol Specification for more information about DTI protocol messages.

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