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1. (jCommunity Group) Tuesday, 31 December 2069 2. uC/OS-III The Real-Time Kernel (MyBlog/TB-Reviews) I've long wanted to know more about how a Real-Time Operating System (RTOS) performs its magic and how to use one of these little rascals, but there's surprisingly little written about this subject. Fortunately, ... Monday, 19 October 2009 3. New eSi-RISC Scalable Soft Processor Cores for ASICs and FPGAs (MyBlog/TB-Blog) ... a 40% code density saving over the soft cores typically available from FPGA vendors, thereby saving valuable on-chip memory resources). I just heard from the folks at EnSilica, an independent provider ... Tuesday, 17 November 2009 4. Processor Design: System-On-Chip Computing for ASICs and FPGAs (MyBlog/TB-Reviews) Processor Design: System-On-Chip Computing for ASICs and FPGAs ed. Jari Nurmi ISBN-13: 978-1402055294 Springer, 2007 Back in the 1980s, during the rise of the RISC era, it seemed that new processor architectures ... Friday, 18 September 2009 5. 12V Sealed Lead/Acid Charger – Cyclic Battery Use (MyBlog/TB-Tech-Tips) ... circuit diagram of Fig.1 shows a method of charging sealed lead/acid batteries using a basic car battery charger with the aid of an L200 voltage/current regulator chip. The off-load output voltage from ... Thursday, 17 September 2009 6. Microchip's 44 Pin Demo board - what to do with it once you've flashed the LED's (MyBlog/TB-Articles) In November 2008, EPE (Everyday Practical Electronics) magazine had an amazing offer. For around £10, you could purchase a Microchip PICKit 2 programmer, software, cable AND they included a 44-Pin DemoBoard. ... Thursday, 10 September 2009 7. Karnaugh Maps (Part 2) (MyBlog/TB-Articles) In this, the second installment of a two-part mini-series, we consider grouping minterms in more detail, along with the concepts of incompletely specified functions and populating Karnaugh maps using 0s ... Monday, 14 September 2009 8. Gray Codes (Part 2) (MyBlog/TB-Articles) The term Gray code is typically used to refer to a binary sequence in which only a single bit changes value when transitioning between adjacent states. In this, the second installment of our mini-series, ... Sunday, 06 September 2009 9. Switched-Capacitor Sinewave Generator – Sine of the times (MyBlog/TB-Tech-Tips) ... or 0.1Hz to 50kHz using the LMF100 chip. This circuit converts a square wave into a sinewave, which is at 1/100th of the original frequency. The output frequency ranges from 0.1Hz to 30kHz using the ... Thursday, 27 August 2009 10. ASCII, EBCDIC, ISO, and Other Computer Codes (Part 4) (MyBlog/TB-Articles) Digital computers represent and manipulate all forms of data as a collection of numerical values. In the case of text, alphanumerical and punctuation characters are each assigned a numerical equivalent, ... Friday, 28 August 2009 11. Positive Versus Negative Logic (MyBlog/TB-Articles) The terms positive logic and negative logic refer to two conventions that dictate the relationship between logical values and the physical voltages used to represent them. Unfortunately, although the core ... Wednesday, 23 September 2009 12. Analysis: M14K and M14Kc MCU cores (MyBlog/TB-Reviews) ... the ARM926EJ-S and the Cortex-M3 from a number of vendors. Depending on whose numbers you believe, these chips have helped ARM capture as much as 25% of the MCU market. In contrast, M14K and M14Kc parts ... Tuesday, 03 November 2009 13. Coolest dev kit ever: MCU+RF sports watch! (MyBlog/TB-Reviews) ... programmer. It is worth noting that the kit’s MSP430 MCU has on-chip emulation and debugging support. These features are unusual for a low-cost part, and they make debugging much easier. The kit is ... Monday, 23 November 2009 14. Headphone Amplifier – Pushbutton Control (MyBlog/TB-Tech-Tips) ... be controlled. The chip’s “wiper” (VW) can be “moved” between the VH and VL terminals (pins 10 and 9). The CS input pin 4 must be held low in order to vary the setting. Then, a pulse at the INC input ... Friday, 28 August 2009 15. Wow! Latest Cadence Encounter Digital Implementation System is mind-boggling! (MyBlog/TB-Blog) ... System, users can quickly find and implement the optimal physical architecture of a chip. Design exploration does this by automatically and concurrently examining thousands of combinations of design variables, ... Monday, 01 February 2010 16. ASCII, EBCDIC, ISO, and Other Computer Codes (Part 3) (MyBlog/TB-Articles) Digital computers represent and manipulate all forms of data as a collection of numerical values. In the case of text, alphanumerical and punctuation characters are each assigned a numerical equivalent, ... Friday, 28 August 2009 17. Altera's 28nm FPGAs – Ah, Now I understand! (MyBlog/TB-Blog) ... a Stratix FPGA as shown on the left-hand side of the illustration below. This FPGA consists of the package and the silicon chip. The chip itself comprises programmable fabric (look-up tables and suchlike) ... Tuesday, 23 February 2010 18. Silicon Blue IceMan65 Development board review (MyBlog/TB-Reviews) ... on board for SPI flash programming (AT90USB82 chip). This solution is very likely to not work at all. I had success only for a very brief moment using the on-board programmer. I suspect this is due to ... Friday, 06 November 2009 19. Karnaugh Maps (Part 1) (MyBlog/TB-Articles) In 1953, the American physicist Maurice Karnaugh invented a form of logic diagram called a Karnaugh map, which provides a graphical technique for representing Boolean functions. In this, the first installment ... Monday, 14 September 2009 20. Switch Mode Regulators – Saves Batteries (MyBlog/TB-Tech-Tips) ... In the past, switch mode supplies have been extremely tricky devices to use, requiring specialist knowledge, but now several manufacturers produce switch mode chips which have everything needed to make ... Thursday, 17 September 2009
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