A RISC-V Based Medical Implantable SoC for High Voltage and Current Tissue Stimulus

A. Arnaud, M. Miguez, J. Gak, R. Puyol, R. Garcia-Ramirez, E. Solera-Bolanos, R. Castro-Gonzalez, R. Molina-Robles, A. Chacon-Rodriguez, R. Rimolo-Donadio

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10 Citas (Scopus)

Resumen

A RISC-V based System on Chip (SoC) for high voltage and current tissue stimulus, targeting implantable medical devices, is presented. The circuit is designed in a 0.18μm HV-CMOS process, including the RISC-V 32RVI based microcontroller core, called Siwa - which includes SPI, UART and GPIO interfaces, a packet-based bus and memory controller, and 8kB SRAM - , combined with several biological tissue stimulus and sensing circuits. The complete test chip (analog+RISC-V) occupies a 5mm2 area but only 0.82mm2 correspond to the RISC-V micro-controller, which operates up to 20MHz, with average energy needs of less than 48 pJ/cycle (3pJ STD), and for which several reliability and safety issues were considered.

Idioma originalInglés
Título de la publicación alojada2020 IEEE 11th Latin American Symposium on Circuits and Systems, LASCAS 2020
EditorialInstitute of Electrical and Electronics Engineers Inc.
ISBN (versión digital)9781728134277
DOI
EstadoPublicada - feb. 2020
Evento11th IEEE Latin American Symposium on Circuits and Systems, LASCAS 2020 - San Jose
Duración: 25 feb. 202028 feb. 2020

Serie de la publicación

Nombre2020 IEEE 11th Latin American Symposium on Circuits and Systems, LASCAS 2020

Conferencia

Conferencia11th IEEE Latin American Symposium on Circuits and Systems, LASCAS 2020
País/TerritorioCosta Rica
CiudadSan Jose
Período25/02/2028/02/20

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