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Getting Up to 12 bits of Resolution from 8-bit DACs
April 25, 2012 // Mark Hastings, Cypress // 0 comments
Download White Paper 590Ko
For many applications, there are times when greater DAC resolution can save a design. Rather than have to increase system cost by introducing an external DAC with higher resolution or moving to a new microcontroller, developers can use one of four methods to extend an 8-bit DAC up to 12-bits of resolution. This paper will discuss these methods in detail, as well as describe ways to implement these methods that have no impact on CPU utilization. Code examples optimized for Cypress' PSoC 3 and PSoC 5 families of microcontrollers with integrated PWM and DMA capabilities are provided as well.
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The development platform for i.MX 6Quad from element14 (built to the Freescale SABRE Lite design) is an evaluation platform featuring the powerful i.MX 6Q, a multimedia application processor with Quad ARM Cortex-A9 cores at 1.2 GHz from Freescale Semiconductor.
This month, Freescale and element14 are giving away five such platforms, worth £128.06 each, for EETimes Europe's readers to win. The platform helps evaluate the rich set of peripherals and includes a 10/100/Gb Ethernet port, SATA-II, HDMI v1.4, LVDS, parallel RGB interface, touch screen interface, analog headphone/microphone, micro TF and SD card interface, USB, serial port, JTAG, camera interface, and input keys for Android.
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In our previous reader offer, Pico Technology was giving away one of its recently launched PicoScope 3207B, a 2-channel USB 3.0 oscilloscope worth 1451 Euros. Lucky winner Mr L. Sanchez-Gonzalez from Spain should be receiving his PicoScope 3207B soon. Let's wish them some interesting findings with his projects.
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