Signal Descriptions
ARM DDI 0500D Copyright © 2013-2014 ARM. All rights reserved. A-24
ID021414 Non-Confidential
A.12.6 Read data channel signals
Table A-33 shows the read data channel signals for the ACP interface.
ARLENS[7:0] Input Read burst length
ARCACHES[3:0] Input Read cache type
ARUSERS[1:0] Input Read attributes:
[0] Inner Shareable.
[1] Outer Shareable.
ARPROTS[2:0] Input Read protection type
Table A-32 Read address channel signals (continued)
Signal Direction Description
Table A-33 Read data channel signals
Signal Direction Description
RREADYS Input Read data ready
RVALIDS Output Read data valid
RIDS[4:0] Output Read data ID
RDATAS[127:0] Output Read data
RRESPS[1:0] Output Read response
RLASTS Output Read data last transfer indication
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