AMPAK Technology Inc. WSDT752BSC Benutzerhandbuch

Gigafu Technology Inc.

http://www.gigafu.com.tw/

Proprietary & Confidential Information

May-14/2018

4. Main CPU Overview

The WSDT-752B_SC contains an ARM® Cortex™ M3 (CM3) 32-bit CPU, which runs

the application and protocol stack in the product, and the protocol stack in the

wireless network processor (WNP) products.

4.1 CM3 Features

 32-bit ARM Cortex-M3 architecture optimized for small-footprint embedded

applications

 Outstanding processing performance combined with fast interrupt handling

 Thumb®-2 mixed 16- and 32-bit instruction set delivers the high performance

expected of a 32-bit ARM core in a compact memory size usually associated

with 8- and 16-bit devices, typically in the range of a few kilobytes of memory

for microcontroller-class applications:

 –Atomic bit manipulation (bit-banding), delivering maximum memory use and

streamlined peripheral control

 –Unaligned data access, enabling data to be efficiently packed into memory
 Fast code execution permits slower processor clock or increases sleep mode

time

 Harvard architecture characterized by separate buses for instruction and data

 Efficient process core, system and memories

 Hardware division and fast digital-signal-processing oriented multiply

accumulate

 Saturating arithmetic for signal processing

 Deterministic, high-performance interrupt handling for time-critical

applications

 Enhanced system debug with extensive breakpoint and trace capabilities

 Serial wire trace reduce the number of pins required for debugging and

tracing

 Migration from the ARM7™ processor family for better performance and

power efficiency

 Optimized for single-cycle flash memory use

 Ultra-low power consumption with integrated sleep modes

 48 MHz operation – the operating frequency can be dynamically altered to

minimize power requirements.



1.25 DMIPS / MHz