Winbond 25q32 Programmator

Sep 20, 2015 - A Flash SPI programmer is an essential engineering tool that has been done over and over. Adding a new part: the Winbond 25Q32 2.

• • • • SpiFlash ®Memories with SPI, Dual-SPI, Quad-SPI and QPI Winbond's W25X and W25Q SpiFlash ® Multi-I/O Memories feature the popular Serial Peripheral Interface (SPI), densities from 512K-bit to 512M-bit, small erasable sectors and the industry's highest performance. The W25X family supports Dual-SPI effectively doubling standard SPI clock rates. The W25Q family is a 'superset' of the 25X family with Dual-I/O and Quad-I/O SPI for even higher performance. Clock rates up to 104MHz achieve an equivalent of 416MHz (50M-Byte/S transfer rate) when using Quad-SPI. This is more than eight times the performance of ordinary Serial Flash (50MHz) and even surpasses asynchronous Parallel Flash memories while using fewer pins and less space. Faster transfer rates mean controllers can execute code (XIP) directly from the SPI interface or further improve boot time when shadowing code to RAM.

Additionally, some SpiFlash devices offer the new Quad Peripheral Interface (QPI) supporting true Quad Commands for improved XIP performance and simpler controller circuitry. Additionally, new ultra-small form factor packages are ideal for space constrained mobile and handheld applications. Industrial Industrial Plus Automotive Grade 3 Automotive Grade 2 Automotive Grade 1 Temperature Range -40°C~85°C -40°C~105°C -40°C~85°C -40°C~105°C -40°C~125°C Part # Example W25Q64JVSSIQ W25Q64JVSSJQ W25Q64JVSSBQ W25Q64JVSSAQ W25Q64JVSSSQ AEC-Q100 Compliant No No Yes Yes Yes Change Control (PPAP) No No Optional Optional Optional Leading the Serial Flash Market in unit sales and revenue, Winbond TS16949 certified AEC-Q100 qualified memories now support automotive applications. The automobile has transformed into the most sophisticated electronic device in the market. Digital displays in automotive dashboards provide more information about the car, and improve safety. Instant-on and real time 2D/3D image rendering is achieved with fast processors and SpiFlash memories. ADAS (Advanced Driver Assist Systems), comfort, entertainment, and navigation is now available in the center console and this is addressed with SpiFlash memories using small packages for space constrained systems and high density for advanced applications.

Hello community, I am attempting to flash (or at present probe) the Winbond 25Q64 BIOS chip on a motherboard using the Bus Pirate. I went about this in the most common sense way, but it didn’t work; so I troubleshot until I found what I believe to be the problem. I may have overlooked something simple, however, so I will be giving a detailed account of exactly what I have done (so be prepared for a long post). First, the chip I am trying to flash is the Winbond 25Q64BV, whose datasheet is. Anyway, it is an 8-pin package, but two of the pins (write-protect and hold) are not relevant to me. So I use the following connections: Code: Bus Pirate W25Q64BV CS /CS 3.3V VCC MISO DO CLK CLK GND GND MOSI DI Simple enough. Then, I use flashrom to try to probe the chip: Code: $ flashrom -VVV -c W25Q64 -p buspirate_spi:dev=/dev/ttyUSB0 flashrom v0.9.5.2-r1540 on Linux 3.3.3-gentoo (x86_64) flashrom is free software, get the source code at flashrom was built with libpci 3.1.9, GCC 4.6.2, little endian Command line (5 args):./flashrom -VVV -c W25Q64 -p buspirate_spi:dev=/dev/ttyUSB0 Calibrating delay loop.

OS timer resolution is 2 usecs, 1088M loops per second, 10 myus = 12 us, 100 myus = 100 us, 1000 myus = 995 us, 10000 myus = 9933 us, 8 myus = 9 us, OK. Hi osor, I'm sorry about the problem, thanks for the detailed report. Just to verify: 1.

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CS high is 3.3volts when you are NOT connected to the chip 2. When you connect to the chip, CS only reaches 1.6volts Is it possible the chip pin is grounding for some reason? (incorrect connection) The chip is in the motherboard, is it possible the MB is holding that pin low?

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Do you have a 2K to 100K resistor handy? Try connecting one side of the resistor to a 3.3volt supply (bus pirate maybe) and the other end to the CS pin of the in-situ flash chip. Measure the voltage on the pin. It should be 3.3volts, but if something is pulling low it will be 0volts.