Resolved! Spice model for TPN3021
Hi,I need the spice model for thyristor surge protector device TPN3021RL to simulate a circuit. However I could not find it, could you provide the model?
Others: hardware and software
Discuss hardware and software design challenges, including NOR flash storage, OTA updates, component ID, and thermal management.
Forum Posts
Reverse Engineering an SPI-like Communication
Hi,I am a team of two, trying to understand this custom SPI communication:The Communication is basically a variant of SPI with CPOL=1, CPHA=1. There is no framing or CS signal, which complicates parsing, and there is an additional variable length ACK...
Communication protocols between microcontrollers for a BMS
I’m after some recommendations for a communication protocol between two stm32’s. One will be on a BMS board controlling a battery monitor IC and reading a fuel gauge and another will be on a seperate board with a charger and a power supply. The commu...
Resolved! High optimization of IAR Embedded Workbench 9.60.3
What does the 'High' optimization actually do in IAR Embedded Workbench 9.60.3 when the 'Size' option is selected, but no additional optimization checkboxes are enabled. Even without selecting any extra options(like CSE, loop unrolling, etc. ), the ...
Resolved! A6727 design concern
I'm using E Design Suite to build a buck (step-down) converter circuit and would like to know if there's anything in the design that I should be concerned about. I've reviewed the schematics in the datasheets, and they seem to be about the same.I pl...
Resolved! M24128-BFDW6TP How to know the wafer origin of the part based on the trace code
Parts#:M24128-BFDW6TP How do you know the wafer origin of the part based on the trace code? Thanks! [Moderation edit: pictures removed to avoid misuse]
Best Stratégie for stm32h743ii for flash memory management LVGL
Dear All,I have dev a custom pcb based on stm32h743ii series with the following Spec:Flash : 25Q256JVENSDRAM: W9825G6KH-6lcd wiki 7 inches resolution 1024 x 600What i have configure ltdc on sdram at adress 0xC0000000 is ok .Now is the configuratio...
Resolved! Identify this ST Chip
Hello ST community has any one an idea what this ST chip is as shown in the picture?I haven't found any datasheet of this device.
Resolved! STPM4RasPI HMAC authorization
Hello, I'm testing HMAC authorizations following TPM 2.0 library specification, and I've confirmed all cases works well except the "unbound and unsalted" session case, which uses null buffer as sessionKey with authValue_entity for HMAC calculation.I...
Resolved! Which is better: ESP32 or other?
Hi everyone!I’m completely new to microcontrollers and planning to start a simple project, maybe something like a motion sensor for my garage or home. I’ve been looking into ESP32 but I’m not sure. Do you have another option you'd suggest?I’d like so...