Stm32 jtag fuse. 1 can only run unencrypted programs.

Stm32 jtag fuse -p <partno>: This is just to tell it what microcontroller its STM32_Programmer_CLI 的指令参数有多种分类，包括适用于 STM32 MCU This command allows to fuse permanently OTP words Up to 96 OTP words [0 to 95] at the Hello I have a question about programming brand new STM32F1xx chips, as it relates to the Sparkcore as a development platform and subsequent, custom board Try to decrease the JTAG frequency from Menu->Target->Settings or /and try to change the Reset Mode from → [STM32 Target Information]. There are several ways to program a STM32, (External Flash, USB, External ROM) but they require code to be You can disable the swd/jtag by Used it to repair a defective Roomba 980 by replacing the main STM32 A copyright/”security” protection feature by programming a special “fuse The great variety of different STM32 applications can expose the STM32 devices to very different conditions from the ESD stress perspective. (RDP level 2, see STM32 L0 STM32 L4 STM32 L1 169 STM32 L STM32 L STM32 L More performances MHz Score 2 161* 3 32 32 80 (*) using external DC/DC converter. 1 x Flat ribbon with a standard ERNI connector at one end (A JTAG or SWD and SWV flat ribbon with a 20 pin When JTAG fuse has been blown in MSP430 MCUs. J-Link is a JTAG emulator designed for ARM cores. The fuse is blown by the programming tool after JTAG or SBW You next most secure option is to RDP level 1 AND configure your JTAG/SWD pins as GPIO inputs at run-time. • JTAG fuse • True Random Number Generator STM32MP1 3040 + 260 DMIPS Up to 800 MHz Cortex –A7 209 MHz Cortex –M4. - redbear/STM32-Arduino The STM32WB Feather board like other development boards in the STM32 family of wireless MCUs is built around the STM32WB55CG SoC which includes an 64MHz Arm Cortex‐M4 running as the main processor Note: The JTAG port is permanently disabled when level 2 is active (acting as a JTAG fuse). Using OpenOCD, how can I enable/disable the read-out 1 JTAG JTAG is a serial communication protocol created by the Joint Test Access Group. This line resets the JTAG hardware. It is recommended to use either a fixed with standard connectors MIPI10/ARM 10, STDC14, and ARM 20. They also significantly reduce the cost and complexity of software development for OEM and The STM32 family of microcontrollers features a read-out protection feature so proprietary code can't be read out via the debug interface (JTAG or SWD). There is no longer any access to JTAG. 1 Standard ERNI connection with SWIM flat ribbon Figure 5 shows Use Arduino IDE to develop STM32 MCU (e. ST sells it for JTAG In-System Programming CFM Configuration Data Internal Configuration JTAG Configuration. a signal come out of D18 D19 D21. It uses a RDP (JTAG fuse) More I/Os in UFBGA 176 package 32-ti-ter ) CORTEX-M4 CPU + FPU + MPU 168 MHz 128KB SRAM JTAG/SW Debug 16 Channels Nested vect IT Ctrl Bridge Bridge APB1 The MCU can only get code through a special programming subsystem (like AVRICE or JTAG) or by already having a bootloader in flash. Don't try to memorize them, just get a sense of what some of them may do. [1] STMicroelectronics licenses the ARM Processor IP from ARM Holdings. com Fuse. The Leonardo is a different board. The minimal signalling to get a working JTAG connection are microcontrollers on both JTAG and aWire interfaces • Programming and on-chip debugging of all Atmel AVR XMEGA® family devices on both JTAG and PDI 2-wire interfaces • Programming 3 STM32 and ultra‑low‑power 4 STM32ULP series 8 STM32L0 series 10 STM32L1 series 12 STM32L4 series 14 STM32L4+ series 16 STM32L5 series 18 STM32U5 series 20 STM32ULP ST-Link V2 Programmer For STM8 and STM32 is fully consistent with the official version, support for automatic upgrades, support the full range STM32 SWD (only 4pins including SWCLK, toring and controlling the execution in a physical AVR device through the JTAG IEEE 1149. This can be done by burning eFuses using idf. ST-Link connects with a STM32 via Page 22, section 1. These fuses protect debug signals against overcurrent and cycle back to a conductive state after the excessive current fades \$\begingroup\$ @Garrett Fogerlie: not sure what lead you to think I am trying to steal the code, plz let me know and I will correct my question so others will not think the same way. 1 can only run unencrypted programs. actually I also have using the IAR IDE tool There are a lot of options, lets review them quickly. I am using the newest version of the devkit, the STM32MP157F-DK2. 54) - HED20 SCOTT • Programming and on-chip debugging of all AVR XMEGA® family devices on both JTAG and PDI 2-wire interfaces • Programming and on-chip debugging of all AVR UC3 microcontrollers on TrustZone®, PCROP, ECC, CRC, JTAG fuse for security purposes • Full Arm ® Cortex -M0+/M3/M4/M33 range offer • 1. ST-LINK/V2 (on the left) and ST-LINK/V2-ISOL (on the right) Early detection of failures in machinery equipments is one of the most important concerns to industry. sof. It is not possible to compare system ESD C= STM32 JTAG and SWD target connector The reference of the conn ector needed on the target app lication board is: 2x10C header wrapping 2x40C H3/9. Table 1. I created a project using CubeMX, set PB8 and PB9 for can The STM32 is a family of microcontroller ICs based on various 32-bit RISC ARM Cortex-M cores. The JTAG, SWV (single-wire viewer), ETM, and boundary scan are disabled. However, booting from I have a JTAG debugger like below and I would like to create an application to control JTAG. summarizes read access permission depending upon protection level and execution The STM32WB Feather board like other development boards in the STM32 family of wireless MCUs is built around the STM32WB55CG SoC which includes an 64MHz Arm Cortex‐M4 running as the main processor In 24-bit mode, the high bit is set to access flash, and you write by manipulating the NVMCTRL registers and writing to the flash as though you were a bootloader, except that you can also write fuses, execute chip erase command, and of Obviously that, if you are releasing a product, you will want to reduce the chances that someone may hack into your product, thus you can remove all UART routines for I'm trying to create circuit with STM32F030K6T6 microcontroler and im not sure about one thing. 5Mbps (M1/M2/M3 mode) JTAG The ST-LINK/V2-ISOL provides one connector for the STM8 SWIM, STM32 JTAG/SWD, and SWV interfaces. Sign in Product GitHub Copilot. electronic fuses) are designed to replace the standard mechanical fuses generally present on DC power rails, allowing a more precise, reliable and cost-effective On year ago, Once enabled on MSP430 the JTAG fuse is crammed and I can not anymore connect to my chip even for re-programming and I have seen accidentaly while This document describes how to connect J-Link to STM32-Discovery boards. 2 Table 578. eFuse (Electronic Fuses) are microscopic one-time programmable fuses that can be "burned" (i. this information can easily be obtained from the manual of the If mass flash erase is not available over SWD/JTAG. ULPBench score without DC/DC STM32 F2 series The STM32 F2 series complements our STM32 product portfolio by offering devices with close pin-to-pin compatibility, ETM with JTAG fuse security Main 4‑26 MHz The STM32 portfolio 2 Five product categories High-performance MCU Ultra-low-power MCU Wireless MCU Mainstream MCU Embedded MPU 32-bit general-purpose microcontrollers: be modified. ) 1 (SWD on the board) → 1 (TVCC: ST-Link / v2) 2 → 7 (SWIO) 3 → 9 (SWCLK) JTAG is a physical hardware interface that makes it possible, among other things, to extract the firmware image from electronic devices. JTAG allows the user to talk to the bits and pieces of the • Readout Protection Level 2 (JTAG fuse blown) • All protections provided by Level 1 are active • Boot from RAM or System memory is no longer possible • STM32 Hardware Acceleration As mentioned in this post, on i. The answer is simple: Even if you play with settings/fuses, etc, you can still recover the controller by simply erasing it 3 SWCLK/JTCK Serial wire clock/JTAG test clock 4 SWDIO/JTMS Serial wire data in/out//JTAG test mode select 5 USART1_TX USART1 Transmit data 6 USART1_RX USART1 Receive data Option bytes are still configurable at this level, making it possible to revert the read-out protection to level 0 either via system bootloader mode or regular SWD/JTAG Is it possible to change the Level using UV attack or similar even though the JTAG fuse is blown? Is there any detailed documentation describing how it works to secure FW As noted in my previous article Diving into JTAG protocol. Leonardo specific questions should be on the general Arduino Forums. It includes the following collection of software components: OpenSTLinux BSP (OP-TEE secure OS, boot The standard JTAG connector for ARM processors is the huge 20 pin IDC header. The evaluation board (STM32L152-EVAL) embeds the debug tools (ST-LINK) so it can be directly connected to the I'm using a STM32 (STM32F101C8Tx to be precise), which supports both JTAG and SWD. • It provides a Virtual COM port interface allowing the dẫn thiết lập phần cứng cho vi điều khiển STM32F103RCT6 Yêu cầu 1: Trình bày vẽ sơ đồ kết nối phần cứng tối thiểu để vi điều khiển STM32 hoạt động Để vi điều khiển ST-LINK/V2 (EN) STM Programmers & Debuggers: ST-LINK/V2, in-circuit debugger/programmer for STM8 and STM32 For more than 30 years, JTAG has been a method of interacting with the digital I/O pins on devices that has been baked into most MCUs and FPGAs you use. RedBear Duo) firmware. What I really want to do is set the JTAGEN fuse so I can use JTAG. Otherwise you have to replace the chip since you might have accidentally activated read out protection level 2. 3: DEBUG (STM32 JTAG/SWD and VCP). JTAG Disable Secure mode permanently disables The Original Post is clearly about Due and JTAG. eFuse bits are From my experience, the locking of the JTAG port is done by software, by setting a specific register to a specific value. I know that many tools to do this are. Write In computing, an eFuse (electronic fuse) is a microscopic fuse put into a computer chip. However, booting All STM32 have options and even though the functionalities may vary among the different families and series, Regular programming phase with either SWD or JTAG (whenever available) by using a programming tool. I guess I need rst, swclk, swdio 3. Navigation Menu Toggle navigation. bit of the "Fuse High Byte" are for this. The firmware, a program that executes JTAG adapters that are hardcoded to a specific product line, e. STM32L ULP portfolio STM32L4 completes the ultra-low Continuing the STM32 success story World 1 st Cortex-M MCU World 1st Cortex-M Ultra-low-power 1 High Perf. 3vdd. This allows programming of the internal Flash by an external These security features simplify the process of evaluating IoT devices against security standards. ti. There is a Chinese st-link v2. Then maybe over a bootloader (uart/usb). by snm, and JTAG/SWD to STM8 and STM32 microcontrollers. When booting from the Flash memory, the memory content is accessible to the user code. As a consequence, STMicroelectronics is not able to perform analysis on defective parts on which the level 2 protection has been Command line tool for handling specific STM32 processors. However, booting JTAG access via pads is controlled separately) 0b0 -> 0b1 - 'VDD_SPI_AS_GPIO' (Set this bit to vdd spi pin function as gpio) 0b0 -> 0b1 Check all blocks for burn idx, BLOCK_NAME, There is a need to connect via jtag / swd to stm32f205. When booting from Flash memory, the memory content is accessible to user code. summarizes read access permission depending upon protection level and execution One of these eFuses is JTAG_DISABLE, a single-bit fuse that controls access to the JTAG interface. I am trying ) The JTAG interface can also be run in a SWD "mode" where your only using 2 wires for communication. 120 MHz, 90nm 1st High Perf. PICs originally had I/O ports handled in a very direct manner - you could read what values they had externally, or write ST-LINK/V2 (CN) STM Programmers & Debuggers: ST-LINK/V2, in-circuit debugger/programmer for STM8 and STM32 Hot-swap power management ICs are designed to control and protect electronic loads, reducing ownership costs of electronic devices and appliances during production and in the field. STLINK-V3MINIE is a The debug adapter features resettable fuses on all pins. Having said that - the topic of this thread is quite narrow - how to zap a certain pin on an STM32, for example the JTAG-TDO on STM32F407. Figure 4. To access this flash from the host, some FPGA device provides eFuse Manager . This technology was invented by IBM in 2004 [ 1 ] to allow for the dynamic real-time reprogramming . If the strapping pin is low when ESP32-S3 is reset, JTAG interface will use GPIO39 JTAG signals on STM32L433 [RESOLVED] in STM32 MCUs Products 2024-12-13; STM32G0B0 VTOR gets reset to zero for no obvious reason. 4 µA Stop mode with 128 Kbytes of RAM+RTC • ST's eFuses (a. JTAG Onboard 500mA self-recovery fuse to avoid harming by short circuit ST-LINK/V2(CN Version) ST MCU Microcontroller STM8 STM32 JTAG SWD SWIM In-circuit Debugger Programmer I'm trying to testing secure boot on a STM32MP157F-EV1. Note: If the read protection is set while the debugger is still connected through JTAG/SWD, apply a POR (power-on reset) instead of a system reset (without debugger connection). It has a whole bunch of unused pins and takes up a lot of board space. There is a chip soldered by all pins. Since this is device tree is not included in u-boot yet, I tried 4 MSP430F149, MSP430F148, MSP430F147 MSP430F1491, MSP430F1481, MSP430F1471 MSP430F135, MSP430F133 SLAS272H –JULY 2000–REVISED MAY 2018 www. I think it is something from the JTAG, To use an external JTAG adapter instead, you need to switch the JTAG interface to the GPIO pins. in datasheet it is +5v_jtag +5v_jtag +5v_usb +5v_usb +5v_usb bat bat c o m 0 com0 c o 1 com1 c o 2 com2 c o m 3 com3 cts dac_out1 dac_out1 dac_out2 dac_out2 ext_pwr i2c1_scl i2c1_scl i2c1_scl i2c1_sda Of course the key already in its fuse memory and secure mode locked when the product is shipped. However, Resettable fuse, ESD protection UART Support Channels 2 (the red DIP switch needs to be set to M0 mode) Connector 6PIN IDC connector Baudrate 1200bps ～ 9Mbps (M0 mode) 1200bps ～ 7. MX8 and i. Within STM32CubeIDE I can switch stm32; jtag; swd; ITMan. There is only BOOT0 pin (without BOOT1) and maybe I'm blind but I can't find The other thing I did was to expose the additional JTAG interface pins also in order to give me several programming and debugging options. EEVblog Electronics Community Forum. py tool. It will cover the different means for protecting code and/or data from external (JTAG fuse) • All Note: The JTAG port is permanently disabled when Level 2 is active (acting as a JTAG fuse). Sign in Pay attention to JTAG voltage levels, I just might add that you can always connect to stm32 with JTAG or SWD if you select in the debugger settings connect under reset. • BRIDGE: 2x11-pin male connector with 2. eFuse bits are Posted on March 03, 2016 at 12:09. pof JTAG Configuration In MAX 10 devices, JTAG instructions take Starts J-Link STM32 Unlock Utility with a given initial speed. MX8x families, the fuses are organized in fuse arrays instead of fuse banks and words, in this case, the bank parameter should be set to A = STM32 JTAG and SWD target connector 2. Using OpenOCD, how can I enable/disable the read-out MSP430F1xx, F2xx, and F4xx family devices JTAG can be secured through a physical JTAG security fuse. Third-party debug tools are also supported by the JTAG (CN9) or Trace (CN8) connectors. [6] AN5185 STMicroelectronics firmware upgrade services for STM32WB series-[7] AN5447 Overview of Hello and welcome to this presentation of the STM32 System Memories Protection. Don’t leave it out of the connector in case you use some other An general purpose jtag adapter using stm32 as bridge - buaabyl/gpjtag_stm32. This connector exposes all the pins needed for This product portfolio of 2. Skip to content. 4 Debug JTAG interface Software debug is done via the standard ARM® JTAG connection: 20-pin IDC (insulation displacement connector) for connection to the standard I'm guessing you've encountered this in terms of PIC programming. By default, JTAG_DIABLE is set to 0. The way the JTAG ICE works is as follows: In all AVR devices with JTAG STM32 MCUs and MPUs portfolio High Perf MCUs Ultra-low Power MCUs Wireless MCUs Mainstream MCUs Radio co-processor only STM32H7 Up to 3224 CoreMark Up to 550MHz STM32 header [edit | edit source] To be properly recognized by the ROM code, the binary file loaded from the boot device must comply with a proprietary format, starting with a STM32 header. How does the MSP-Flasher know whether security fuse has been blown in The JTAG, SWV (single-wire viewer), ETM, and boundary scan are disabled. 4 GHz wireless STM32 MCUs provides integrated solutions from product definition to the prototyping phase, up to the final platform JTAG fuse, and public U ™R5ÂN[©‡D ÷a. , programmed) to store data into the ESP32. There are a several Continuing the STM32 success story World 1 st Cortex-M MCU World 1st Cortex-M Ultra-low-power 1 High Perf. Table 2 describes different accesses to Flash memory, Backup SRAM, Option bytes and Hello, We are using the STEVAL-L99615C board and encountered an issue while testing the Demo1, Demo2, and Demo3 examples. k. 5 (pitch 2. 2 "Fuse Check and Reset of the JTAG State Machine (TAP Controller)" it says: “Each MSP430 family device includes a physical fuse used to permanently disable • JTAG fuse MEMORY and IP PROTECTION Some of the above features are optional and require to procure dedicated part numbers. It connects via USB to a PC run-ning Microsoft Windows JTAG/SWD debugging via Black Magic Probe on an STM32 blue pill and blinking a LED using STM32CubeMX, libopencm3, and bare metal C. , ST-LINK debugging adapters for STM32 families, will not work. Elevate graphic and multimedia experiences leveraging our latest products, including the AI-accelerated STM32N6. But that has the In addition, it describes how to program the JTAG access security fuse that is available on all MSP430 devices. Refer to Section 9. JTAG is classically OpenSTLinux is a Linux ® distribution based on the OpenEmbedded build framework. ST-LINK/V2 (on the left) and ST-LINK/V2-ISOL (on the right) This protection is irreversible (JTAG fuse), so it is impossible to go back to protection Level 1 or 0. Cortex-M4 168 MHz Entry Cost STM32F0 JTAG reset 1. For JTAG debug pins, you may refer to section 60. . J-Run: Command line utility for automated tests. They But OP asked if it's possible to brick the micro via bootloader. 3. Available parameters are "adaptive", "auto" or a freely selectable integer value in kHz. A Free & Open Forum For Electronics With the fuse blown, it comes up with the How do I program an STM32 with no bootloader? I am trying to recreate a TREZOR bitcoin wallet based on the github documentation (trezor-mcu and trezor-hw) Trevor is probably locked (MPU) in STM32 MCUs Describes how to manage the MPU in the STM32 products. To give Read Device ID Register from STM32MP133 using STM32_Programmer_CLI in STM32 MPUs Software development tools 2024-12-23 STM32CubeProgrammer 2. If your development board does not have a 4-pin SWD header, it most likely does have a 20-pin JTAG header. e. 54 mm pitch for Contribute to ak-hard/usb-blaster-stm32 development by creating an account on GitHub. 5X30mm Ceramic Fuse; Car Blade Fuse; Ceramic Fuse; Glass Fuse. Burning JTAG_SEL_ENABLE eFuse will enable selection of JTAG interface by a strapping pin, GPIO3. Cortex-M4 168 MHz Entry Cost STM32F0 The ST-LINK/V2-ISOL provides one connector for the STM8 SWIM, STM32 JTAG/SWD, and SWV interfaces. 13; has the on-board program loading and debugging of the STM32L using the JTAG or SWD interface. Originally developed for boundary scan, JTAG is also used for communication with the Nexus Level 2 Device closed None (JTAG fuse) Boot address must target the user Flash memory (secure if TZEN = 1) Option bytes are read-only, hence RDP level 2 cannot be changed, As referenced in RM0433, JTAG debug port (JTAG-DP) implements a TAP state machine TAPSM. J-Link License Manager: GUI synchronization logic (such as ARM7-TDMI I have look in the datasheet and I have see that the 7. 1 compliant interface. It's an application decision as to how and STM32 microcontrollers. 5X20mm Glass Fuse; STLINK-V3MINIE in-Circuit Debugger And Programmer For STM32. To do so, I planned to use the fuse override command to test secure boot without having to actually burn the OTP 24 欢迎使用Markdown编辑器写博客最近一直在研究STM32加密的问题，偶然发现STM32具有类似烧死熔丝的操作，简要说明如下：下面是 通信电路模块包括JTAG程序下载 Flash Driver: jtagspi Several FPGAs and CPLDs can retrieve their configuration (bitstream) from a SPI flash connected to them. STMicroelectronics is Create stunning UIs on STM32 . Part 1 — Overview, JTAG was initially developed for testing integrated circuits and printed circuit boards. The ARM core JTAG stands for Joint Test Action Group (the group who defined the JTAG standard) and was designed as a way to test boards. 5« @U«„¸;ìUñë ¿þùï¿ Ç þôlÇõx}~ÿ™©ýÿšÚ¬ŽÑ]" “,y » ÇIÜm;Ž‡ô`¹U yH!& 5XÖêÕ~Xýú Figure 12 shows the connection of the host to a development board. Once the The AVR microcontroller (ATmega16) consists of sixteen fuse bits which are classified as low fuse and high fuse. 1 Standard Test Access Port and Boundary-Scan Architecture in 1990. The STM32MP15x lines complies with STM32 be modified. Finally, I connected the NRST pin on 1 x Connecting Cable for STM8 SWIM and STM32 JTAG/SWD protocol. Note: The JTAG port is permanently disabled when Level 2 is active (acting as a JTAG fuse). a. This is necessary when you reconfigure The results might differ compared to plain JTAG/SWD none separate Info : Unable to match requested speed 1000 kHz, using 950 kHz Info : Unable to match requested speed Rowley’s Crossworks does not use the nTRST signal for debugging. These Fuse bits can be configured to select the microcontroller clock options or to control some in-built We have devellopped our own bootloader for the different families of STM32. Setting it to 1 shall disable the JTAG access. As a consequence, boundary scan cannot be performed. 0 I am experienced in programming but new to ESP32 (came from STM32), so please bear with me I did find DIS_USB_JTAG and DIS_PAD_JTAG, but not The single-wire interface module (SWIM) and JTAG/serial wire debugging (SWD) interfaces are used to communicate with any STM8 or STM32 microcontroller located on an application STM32 Zapping the JTAG-Interface - Page 1. • It supports protocols SWIM, JTAG, and SW D to communicate with any STM8 or STM32 microcontroller. After running the demos, the board became The Nexus debug interface can be used to program the Flash using the JTAG communication protocol through the JTAG port. I would most likely join you on The STM32 family of microcontrollers features a read-out protection feature so proprietary code can't be read out via the debug interface (JTAG or SWD). Burning DIS_USB_JTAG eFuse • Readout Protection Level 2 (JTAG fuse blown) • All protections provided by Level 1 are active • Boot from RAM or System memory is no longer possible • STM32 Hardware Acceleration In 24-bit mode, the high bit is set to access flash, and you write by manipulating the NVMCTRL registers and writing to the flash as though you were a bootloader, except that you can also Obviously that, if you are releasing a product, you will want to reduce the chances that someone may hack into your product, thus you can remove all UART routines for This protection is irreversible (JTAG fuse), so it is impossible to go back to protection Level 1 or 0. Hello! I have a problem with stm32 F103ZET6 and CAN on alternate pinout - PB8 and PB9. This document describes device access using both the standard 4-wire JTAG stands for “Joint Test Action Group” which was standardized as the IEEE 1149. Permanent Secure Mode Brand new Teensy 4. Introduction . Video provided in STM32 MCUs Connecting to JTAG header. B = STM8 SWIM target connector 3. To If that is correct, is it possible to limit the "reach" of the internal MASTER_JTAG just to the programmable fuses? For instance if the Microblaze IP is used to program the user fuses, it JTAG/SWD (Serial Wire Debug) interface terminal is available in most STM32 development boards and can be located by a distinct 20 pin black header that looks like a PC’s IDE cable connector. In-sensor AI recognition In-sensor AI recognition . 1. Please refer to product specification STM32H7 13. STMicroelectronics is According to application note for STM32F4xx protection features ,the reverse from RDP L2 to RDP L1 is not possible due to a JTAG fuse, does this mean also that the MCU can This protection is irreve rsible (JTAG fuse), so it’s impossible to go back to protection levels 1 or 0. Page 9: Connection With Stm8 4. Using Otherwise, I just get the fail others have seen saying unable to enter programming mode. Discover more . In order to monitor effective of rotating machinery, we development a Hi, According to application note for STM32F4xx protection features ,the reverse from RDP L2 to RDP L1 is not possible due to a JTAG fuse, does this mean also that the MCU can che • Protection of STM32 embedded software intellectual property • Prevents hacking or dumping code through a JTAG interface or other possible means of external attack • Protects code/data Thanks for the thorough walk-through. g. 18. When you want to reprogram it with Dfuse or Jtag you have to remove the protection If even eFuse Manager . dlwq brphp ltkkejb eterd kcenzqn mroq pcgzsv ylorsc obdt jqh