公开(公告)号：US20230409320A1

公开(公告)日：2023-12-21

申请号：US18325519

申请日：2023-05-30

Applicant: STMicroelectronics S.r.l.

Inventor： Antonino Giuseppe Fontana ,  Giuseppe Guarnaccia ,  Stefano Catalano

IPC: G06F9/30

CPC classification number: G06F9/3004 ,  G06F9/30116 ,  G06F9/30189

Abstract: In an embodiment a One-Time Programmable (OTP) memory controller includes a data register, a given number K of shadow-registers, wherein the number K is smaller than a given number N of memory slots of an OTP memory area, a communication interface configured to receive a read request requesting the data of a given memory slot and a control circuit configured to receive a preload start signal and a shadow-register preload enable signal, wherein the control circuit is configured to manage a preload phase and a data-read phase.