ARMV4T datasheet(2/30 Pages) ACTEL

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CoreMP7

v2.6

ARM7 Family Processor

CoreMP7 is a general purpose, 32-bit, ARM7 family

microprocessor that offers high performance and low

power consumption. The ARM architecture is based on

Reduced Instruction Set Computer (RISC) principles. The

simplicity of RISC results in a high instruction throughput

and fast real-time interrupt response from a small and

cost-effective processor core. Pipeline techniques are

employed so that all parts of the processing and memory

systems can operate continuously. Typically, while one

instruction is being executed, its successor is being

decoded, and a third instruction is being fetched from

memory. The CoreMP7 processor also implements the

Thumb instruction set, which makes it ideally suited to

high-volume applications with memory restrictions, or

applications where code density is an issue.

The 16-bit Thumb instruction set approaches twice the

density of standard ARM code while retaining most of

the ARM performance advantage over a traditional

16-bit processor using 16-bit registers. This is possible

because Thumb code operates on the same 32-bit

up to 65% of the code size compared to 32-bit ARM

instructions, and offers 160% of the performance of an

equivalent ARM processor connected to a 16-bit memory

system.

Device Utilization

CoreMP7 is available with and without debug for use in

each ARM-enabled device. These variants (Core only or

Core plus debug) are available in CoreConsole and are

easily selected from the core configuration menus. The

utilization and performance of the variants for each

device are shown in Table 1.

Core Only

This variant of the CoreMP7 is optimized for maximum

speed and minimum size and does not include debug.

Core Plus Debug

This variant of the CoreMP7 is optimized for minimum

size and includes debug.

Table 1 •

CoreMP7 Utilization and Performance

Device

Variant

Performance (MHz)

Tiles

RAM Block

Utilization (%)

M7A3P1000

Core Only

28.12

6,083

24.8%

Core Plus Debug

21.7

7,931

32.3%

M7AFS600

Core Only

28.08

6,083

44.0%

Core Plus Debug

20.57

7,931

57.4%

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