ARM R4 Computer Hardware User Manual


 
Introduction
ARM DDI 0363E Copyright © 2009 ARM Limited. All rights reserved. 1-13
ID013010 Non-Confidential, Unrestricted Access
1.6 Configurable options
Table 1-1 shows the features of the processor that can be configured using either
build-configuration or pin-configuration. See Product documentation, design flow, and
architecture on page 1-21 for information about configuration of the processor. Many of these
features, if included, can also be enabled and disabled during software configuration.
Table 1-1 Configurable options
Feature Options Sub-options
Build-configuration
or pin-configuration
Redundant core Single-core (no redundancy) - Build
Dual-core (redundant) In-phase clocks
Out-of-phase clocks
Build
Instruction cache No i-cache - Build
i-cache included No error checking
Parity error checking
64-bit ECC error checking
Build
4KB (4x1KB ways)
8KB (4x2KB ways)
16KB (4x4KB ways)
32KB (4x8KB ways)
64KB (4x16KB ways)
Build
Data cache No d-cache - Build
d-cache included No error checking
Parity error checking
32-bit ECC error checking
Build
4KB (4x1KB ways)
8KB (4x2KB ways)
16KB (4x4KB ways)
32KB (4x8KB ways)
64KB (4x16KB ways)
Build
ATCM No ATCM ports - Build and pin
One ATCM port No error checking
Parity error checking
32-bit ECC error checking
64-bit ECC error checking
Build
4KB, 8KB, 16KB, 32KB, 64KB,
128KB, 256KB, 512KB, 1MB, 2MB,
4MB, or 8MB
Pin