Others: hardware and software

Resolved! ST 556D4 K148/B IC datasheet

Hi,By mistake in our PCBA, ST 556D4 K148/B IC is used instead of M95256 EEPROM.now I am searching for ST 556D4 K148/B datasheet.Can you share the datasheet of this IC ?

IC identification from board MP20-T (Schaudt)

Hello, I'm new in this community. I have a problem with my control panel from my camper. (Dethleffs) The Control Panel is from Schaudt. It's the MP20-Tproblem: Temperature from both sensors shows -28°feedback from Schaud: The IC is the reason for my ...

VNF1048F device is in LOCKED state always

Hello Team,I have some problem with unlocking the VNF1048F chip using SPI communication, I have the got the read working but chip is always in LOCKED state and when I try to unlock according the sequence mentioned in datasheet doesn't work.I try to s...

Resolved! STEVAL-DIGAFEV1 TSC1641 eval board 'Arduino' connector numbering error

Hi,Just to mention that the HW files of STEVAL-DIGAFEV1 board seems to have its Arduino connectors CN2 & CN4 numbered in the opposite way than the Nucleo ones.It's not a big deal, because the pins function/location between Nucleo boards and this litt...

number format multiply divide in STM32H757

Hi, I am looking macro, in-bult function or lib to 1 - I can do 2 16-bit signed fraction number multiply or divide and result should also be in 16-bit signed fraction. 2 - define to convert any integer number (value less will be less than "1" to 16-b...

Resolved! Default I2C address of ST33KTPM2X

Hi, In the ST33KTPM2X datasheet is mentioned that the I2C device address is configurable in the range of 0x08 to 0x77, but what is its default after power-up ... it is not mentioned in the datasheet. A STSafe application note suggests 0x2E, is that c...

Doubt flash memory Nor retention

NOR flash memory chips behave the same as other types of flash memory. If I energize NOR flash once a year, will it prevent any data loss? The datasheet says retention 20 years. If I energize it after 19 years, will it prolong data retention?in my ca...