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Digital Stethoscope  Favorite




The digital stethoscope is a step forward from its counterparts, with the capability of filtering and amplifying the signal. Improvement of listening to cardiac sounds helps the physician make a more accurate diagnosis. It connects to a LCD display to chart the results and have a graphic interface.

Freescale offers 8-bit and 32-bit ultra-low-power MCUs with the ability to drive an LCD display, ideal for the portability of digital stethoscopes and for more challenging applications such as fetal heart rate monitors.

Read more about digital stethoscope(pdf)

Target Applications

Freescale Digital Stethoscope block diagram

Recommended Solutions


Products Features
Microcontrollers (MCU)
S08LL: 8-bit Ultra-Low-Power Segment LCD LL MCUs 8-bit low-power MCU, segment LCD control
S08QE: 8-bit Flexis Low-Power QE MCUs 8-bit ultra-low-power MCU
S08JE: 8-bit Flexis USB JE MCUs 8-bit ultra-low-power MCU, USB
MCF51JE: Flexis™ 32-bit ColdFire® V1 Microcontrollers 32-bit ultra-low-power MCU, 256K flash
MCF51MM: Flexis 32-bit ColdFire V1 MCUs 32-bit ultra-low-power MCU, 256K flash, USB
S08MM: 8-bit Flexis USB Low-Power MM128/64/32 MCUs 8-bit ultra-low-power MCU, USB
MCF51QE: Flexis 32-bit ColdFire V1 Microcontroller 32-bit low-power MCU, 128K flash
Baseline MCUs: K1x 32-bit ultra-low-power, FPU, touch-sensing interface
USB & Segment LCD MCUs: K4x MCU with ARM® Cortex™-M4 Core, 512K flash, USB, segment LCD
Measurement MCUs: K5x Integrated OPAMPS, TRIAMPS, USB, Ethernet and segment LCD controller
Advantages
  • Freescale product longevity program offers up to 15-year availability for selected products
  • 8-bit MCUs offer low-power consumption to enable longer battery life
  • S08LL MCU provides additional superior LCD controller IP
  • Kinetis K50 family combines integrated measurement engine and high performance Cortex™ M4 core up to 100 MHz
  • Dedicated medical peripherals and healthcare connectivity stacks
  • USB, IEEE®802.15.4 and ZigBee® technology solutions for wireless interfaces
  • High end MPIs, video and graphics acceleration
  • Cost-effective, amplified, small form factor sensors with high sensitivity
  • Integrated analog portfolio that enables maximum battery life with advanced PMICs
  • ColdFire-embedded high-performance DSP functionality with integrated MAC