In addition, the 1-series parts have a few extra peripherals, and the 16K and 32K 1-series parts have multiple instances of some of the peripherals, as shown by the background colours in the above table: Īll the parts have the same basic set of peripherals. For each part the current 1-off price is shown for both the SOIC and QFN packages, as appropriate. I've linked each part number to the appropriate Microchip datasheet (note that some datasheets cover multiple parts). I've therefore tried to summarise the key features and differences in the following tables: 32KĮach cell in the above table shows the part number, classified by flash size and number of pins. The new ATtiny chips mark a departure from the philosophy of the earlier ATtinys although they still use the AVR processor core, their peripherals are quite different, based on the peripherals from Atmel's XMEGA range.Īlthough the new ATtiny chips form a consistent matrix of devices, they are described in several separate datasheets, which makes for a lot of reading if you want to get an overview of their capabilities and differences. However, apart from this gripe the systematic naming convention does make it easy to select a part you want with a particular combination of capabilities. This makes looking them up in an alphabetical list of parts rather problematic, because they are mixed up with the old ATtiny range.
ATTINY85 PORT PIN EQUIVALENT CIRCUIT SERIES
The new parts are numbered in a slightly eccentric way, with the series number in the middle: This article gives an introduction to the new ATtiny parts, and explains how you can now program them from the Arduino IDE. That changed a couple of months ago when Spence Konde released a megaTin圜ore for the new range, taking advantage of the work that Arduino have done to support their new ATmega4809-based boards. Until recently these new chips were not accessible to users of the Arduino IDE, because no Arduino core existed for them, and you couldn't program them using the existing ISP programmers. The range now consists of a total of 25 parts.Ī selection of the new ATtiny chips: SOIC ATtiny412, ATTiny1614, and ATtin圓216 The new ATtiny chips started with the 1-series ATtiny417 and ATtiny817, followed in 2018 by a lower cost series called the 0-series.
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In 2016 Microchip/Atmel announced a completely new range of chips designed to replace their older ATmega and ATtiny ranges. Getting Started with the New ATtiny Chips