About Vadim_

Vadim_ · 2025-01-10

Hello,I want to connect STM8S003 & ADXL345 (accelerometer) using SPI 3wire mode (lines ~CS, SCK & MOSI as single bidirectional data line).According to 'RM0016 Reference manual STM8S...', the register SPI_CR2 of STM8S has BDM (Bidirectional data mode ...

Vadim_ · 2025-01-19

Where are now MCS-51 uCs or AVR AT90S series?Compare the price ATmega8 (AVR ATmega series) vs ATmega808 (relatively new megaAVR 0-series. better parameters, 1-wire programmer - very simple if DIY): $1.90 vs $0.80. It seems, microchip tries to replace...

Vadim_ · 2025-01-19

If Your only priority is 'very small microcontroller', STM32F0 has smaller package WLCSP12 (1.70 × 1.42 mm) vs STM8' WFQFPN20 3x3mmand the same 8- & 20-pins packagesBut there are other priorities: are You ready to use so small but not so convenient f...

Vadim_ · 2024-12-25

Addition to previous post.I tested the 2nd STM8S003F3P6 purchased on aliexpress. It was also protected.It is interesting: after loading Option bytes to unprotect uC, the Program memory appears to be not empty.I've checked normal uC (not from aliexpre...

Vadim_ · 2024-12-19

Hi Lorenzo,I had the same problem: 5pcs of STM8S003F3P6 & ST-Link V2 from Ali and ST Visual Programmer (STVP) answers 'Protected device' for IC just from the tape carrier.And the marking of the 1st pin has some strange view: the marking ring is not s...

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STM8S SPI: how to use it in 3-wire mode?

Re: STM8 vs Cortex-M0/0+ in a new project

Re: STM8 vs Cortex-M0/0+ in a new project

Re: STM8S003F3P6 is protected

Re: STM8S003F3P6 is protected