ARM Cortex R4F User Manual

Page 419

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Processor Signal Descriptions

ARM DDI 0363E

Copyright © 2009 ARM Limited. All rights reserved.

A-6

ID013010

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ERRENRAM[2:0]

Input

Tie-off,
Reset

TCMs external error enable. Tie each bit high to enable the
external error signals for each TCM at reset. Use the following
values:
2: B1TCM
1: B0TCM
0: ATCM
See Auxiliary Control Registers on page 4-38 for more
information.

RMWENRAM[1:0]

b

Input

Tie-off,
Reset

RMW enable bits reset values. Tie each bit high to enable
read-modify-write for TCM interfaces at reset.

c

Use the

following values:
1: BTCM
0: ATCM
See Auxiliary Control Registers on page 4-38 for more
information.

SLBTCMSB

Input

Tie-off

Use most significant bit of BTCM address to select B1TCM if
this signal is HIGH.
Use bit [3] of the BTCM address if this signal is LOW.

a. If the BTCM is configured with ECC, bit[2] and bit[1] must be the same value.
b. Not used if 32-bit ECC is included.
c. Not available in r0px revisions of the processor.

Table A-2 Configuration signals (continued)

Signal

Direction

Clocking

Description

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