Martí-Arbona, Edgar

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Design of a custom cpu architecture for a pacemaker application
(2009) Martí-Arbona, Edgar; Palomera-García, Rogelio; College of Engineering; Jiménez, Manuel; Eduardo Juan; Department of Electrical and Computer Engineering; Baiges, Iván
Dual-chamber pacemakers have shown many advantages in the treatment of bradarrhythmia, but their power consumption is high when compared with single-chamber devices. This research presents a custom Central Process Unit (CPU) architecture optimized for dual-chamber pacemakers. It also contains an efficient way to control pacemaker peripheral management in order to decrease the power dissipation of a dual-chamber pacemaker device. This is done by using the same hardware for both chambers input and output which decrease the quantity of peripherals used. Additionally, a fast enable/disable action of the pacemaker peripherals was added. Software techniques such as the reduction of instructions and zero- optimization per instruction were used to ensure the CPU low power design. A power analysis of this CPU was done and a static power of 0.4μW was obtained.