[原创] Microchip ATtiny32(16)17 8位tinyAVR MCU开发方案

Microchip公司的ATtiny3217/ATtiny1617是采用AVR 8位处理器的tinyAVR® 1系列MCU,集成了工作频率高达20MHz硬件乘法器,16KB或32KB闪存,2KB SRAM和256B EEPROM,具有最新的技术和低功耗架构,包括Event System和SleepWalking,精密模拟特性和先进的外设,主要用在汽车电子,物联网(IoT)传感器节点,消费类电子和工业应用.本文介绍了ATtiny3217/ATtiny1617主要特性,框图,以及评估板ATtiny3217 Xplained Pro主要特性,电路图,材料清单和PCB设计图与装配图.

The ATtiny3217/ATtiny1617 are members of the tinyAVR® 1-series of microcontrollers, using the AVR® 8-bit processor with hardware multiplier, running at up to 20 MHz and with 16 KB or 32 KB Flash, 2 KB ofSRAM, and 256 bytes of EEPROM in a 24-pin package. The tinyAVR 1-series uses the latesttechnologies with a flexible and low-power architecture including Event System and SleepWalking,accurate analog features and advanced peripherals. Capacitive touch interfaces with proximity sensingand driven shield are supported with the integrated QTouch® peripheral touch controller.

The ATtiny3217 family of microcontrollers incorporates several innovative features including high-accuracy analog, the Peripheral Touch Controller (PTC), the Event System and Core Independent Peripherals (CIPs) to allow you to create highly-responsive sensor nodes. This family offers up to 32 KB Flash memory in 8- to 24-pin packages to support a wide range of applications including industrial, consumer, appliances, automotive and Internet of Things (IoT) sensor nodes.

ATtiny3217/ATtiny1617主要特性:

• CPU:
– AVR® 8-bit CPU
– Running at up to 20 MHz
– Single-cycle I/O access
– Two-level interrupt controller
– Two-cycle hardware multiplier
• Memories:
– 32/16 KB In-system self-programmable Flash memory
– 256 bytes EEPROM
– 2 KB SRAM
– Write/erase endurance:
• Flash 10,000 cycles
• EEPROM 100,000 cycles
– Data retention: 20 years at 85℃
• System:
– Power-on Reset (POR)
– Brown-out Detection (BOD)
– Internal and external clock options:
• 16/20 MHz low-power RC oscillator
• 32.768 kHz Ultra Low-Power (ULP) internal RC oscillator with ±10% accuracy,±2%
calibration step size
• 32.768 kHz external crystal oscillator
• External clock input
– Single pin programming and debugging interface (UPDI)
– Three Sleep modes:
• Idle with all peripherals running for immediate wake-up

图1.ATtiny3217/ATtiny1617框图

评估板ATtiny3217 Xplained Pro

The ATtiny3217 Xplained Pro evaluation kit is a hardware platform to evaluate the ATtiny3217microcontroller.Supported by the Atmel Studio integrated development platform, the kit provides easy access to thefeatures of the ATtiny3217 and explains how to integrate the device into a custom design.

The Xplained Pro MCU series evaluation kits include on-board Embedded Debuggers. No external toolsare necessary to program or debug the ATtiny3217.

Xplained Pro extension kits offer additional peripherals to extend the features of the board and ease thedevelopment of custom designs.

The ATtiny3217 Xplained Pro evaluation kit is a hardware platform to evaluate the ATtiny3217.

The kit offers a set of features that enables the ATtiny3217 user to get started with the ATtiny3217peripherals right away and to get an understanding of how to integrate the device into their own design.

图2.评估板ATtiny3217 Xplained Pro外形图

评估板ATtiny3217 Xplained Pro主要特性:

• ATtiny3217 microcontroller
• Two mechanical user buttons
• Two QTouch® buttons
• One yellow user LED
• 32.768 kHz crystal
• Two Xplained Pro extension headers
• Embedded Debugger
– Auto-ID for board identification in Atmel Studio
– One yellow status LED
– One green board power LED
– Symbolic debug of complex data types including scope information
– Programming and debugging, including power measurements
– Data Gateway Interface: SPI, I2C, two GPIOs
– Virtual COM Port (CDC)
• Embedded current measurement circuitry (XAM)
– Measures power consumption of the ATtiny3217 and/or peripherals
– Measures current between 100 nA and 400 mA
– Current measurement data are shown in Microchip Data Visualizer
• USB powered
• Supported with application examples in Atmel START

图3.评估板ATtiny3217 Xplained Pro概述图

图4.评估板ATtiny3217 Xplained Pro电路图(1)

图5.评估板ATtiny3217 Xplained Pro电路图(2)

图6.评估板ATtiny3217 Xplained Pro电路图(3)

图7.评估板ATtiny3217 Xplained Pro电路图(4)

图8.评估板ATtiny3217 Xplained Pro电路图(5)

图9.评估板ATtiny3217 Xplained Pro电路图(6)

图10.评估板ATtiny3217 Xplained Pro电路图(7)

图11.评估板ATtiny3217 Xplained Pro电路图(8)

图12.评估板ATtiny3217 Xplained Pro电路图(9)
评估板ATtiny3217 Xplained Pro材料清单:

图13.评估板ATtiny3217 Xplained Pro PCB设计图(1)

图14.评估板ATtiny3217 Xplained Pro PCB设计图(2)

图15.评估板ATtiny3217 Xplained Pro PCB设计图(3)

图16.评估板ATtiny3217 Xplained Pro PCB设计图(4)

图17.评估板ATtiny3217 Xplained Pro PCB设计图(5)

图18.评估板ATtiny3217 Xplained Pro PCB设计图(6)

图19.评估板ATtiny3217 Xplained Pro PCB设计图(7)

图20.评估板ATtiny3217 Xplained Pro PCB设计图(8)

图21.评估板ATtiny3217 Xplained Pro PCB设计图(9)

图22.评估板ATtiny3217 Xplained Pro PCB设计图(10)

图23.评估板ATtiny3217 Xplained Pro PCB设计图(11)

图24.评估板ATtiny3217 Xplained Pro PCB设计图(12)
详情请见:

和
以及
ATtiny3217_1617-Data-Sheet-40001999B.pdf
ATtiny3217-Xplained-Pro-DS50002765A.pdf
ATtiny3217_Xplained_Pro_Schematics.pdf
PCBA_rev3-1.rar