Case Study

Wireless Medical ASIC

A medical ASIC for capturing and processing vital signs measurements and transmitting using Bluetooth Low-Energy includes sophisticated power management with nW standby power.

medical asic case study
  • Sensor interfaces for ECG, respiration, pulse rate and temperature measurement
  • 32-bit Arm Cortex M0 MCU
  • 2.4GHz BLE and IEEE 802.15.6 radio
  • Cryptographic accelerator for AES, ECC, RSA, SHA
  • AMBA peripherals include I2C, SPI, UART, GPIO
  • Custom analog design SMPS, LDOs, PLL, RTC Oscillator, BLE RF
  • Sophisticated nW power management, including:
    • Sub-1V operation
    • Multiple power domains and islands
  • 65 nm
  • Full-Scan, MBIST and Boundary scan
  • Synopsys DC Ultra, ICC, Formality, PrimeTime-SI/PX
  • Mentor Calibre nmDRC/LVS, xACT
  • Cadence for Analog/RF design
  • Xilinx FPGA prototyping