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Microchip ATtiny1627 8位MCU解决方案

来源: eccn
2020-09-16
类别:工业控制
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文章创建人 拍明芯城

原标题:Microchip ATtiny1627 8位MCU解决方案

  microchip公司的ATtiny1624/1626/1627 8位微控制器(MCU),是tinyAVR® 2系列产品,采用AVR® CPU,其硬件乘法器运行高达20MHz,集成了16KB闪存,2JB SRAM和256B EEPROM,可采用14引脚,20引脚和24引脚封装.该器件采用Microchip的最新技术,具有灵活的低功耗架构,包括事件系统和睡眠运行(SleepWalkin),先进的数字外设和精确的模拟特性如带可编程增益放大器(PGA)的12位差分ADC.工作电压1.8V到 5.5V.器件具有多种内部基准源如1.024V, 2.048V, 2.500V, 4.096V和VDD.工作温度-40C - 85C (标准),可扩展至-40C - 125C .主要用在高精度传感器如烟雾,PIR,热电偶,湿度计,压力和力量传感器, 嘈杂环境的传感器,实时控制系统如电源转换器和二次安全监视.用于有限模拟性能的更大MCU/MPU的模拟接口芯片.本文介绍了ATtiny1627主要特性,框图和评估板ATtiny1627 Curiosity Nano(好奇纳米)主要特性,引脚图,电路图和PCB装配图.

  The ATtiny1624/1626/1627 microcontrollers of the tinyAVR® 2 family are using the AVR® CPU with hardware multiplier, running at up to 20 MHz, with 16 KB Flash, 2 KB of SRAM, and 256B of EEPROM available in a 14-, 20-, and 24-pin package. The family uses the latest technologies from Microchip with a flexible and low-power architecture, including Event System and SleepWalking, advanced digital peripherals, and accurate analog features such as a 12-bit differential ADC with Programmable Gain Amplifier (PGA).

  ATtiny1627主要特性:

  • High-Performance Low-Power AVR® CPU

  – Running at up to 20 MHz

  – Single-cycle I/O access

  – Two-level interrupt controller with vectored interrupts

  – Two-cycle hardware multiplier

  – Supply voltage range: 1.8V to 5.5V

  • Memories

  – 16 KB In-System self-programmable Flash memory

  – 2 KB SRAM

  – 256B EEPROM

  – 32B of user row in nonvolatile memory that can keep data during chip-erase and be programmed while the device is locked

  – Write/erase endurance

  • Flash 10,000 cycles

  • EEPROM 100,000 cycles

  – Data retention: 40 years at 55C

  • System

  – Power-on Reset (POR)

  – Brown-out Detection (BOD)

  – Clock options

  • Lockable 20 MHz Low-Power internal oscillator

  • 32.768 kHz Ultra Low-Power (ULP) internal oscillator

  • 32.768 kHz external crystal oscillator

  • External clock input

  – Single-pin Unified Program and Debug Interface (UPDI)

  – Three sleep modes

  • Idle with all peripherals running and immediate wake-up time

  • Standby

  – Configurable operation of selected peripherals

  – SleepWalking peripherals

  • Power-Down with full data retention

  • Peripherals

  – One 16-bit Timer/Counter type A (TCA) with a dedicated period register and three PWM channels

  – Two 16-bit Timer/Counter type B (TCB) with input capture and simple PWM functionality

  – One 16-bit Real-Time Counter (RTC) running from external 32.768 kHz crystal or internal 32.768 kHz ULP oscillator

  – Two Universal Synchronous Asynchronous Receiver Transmitter (USART) with fractional baud rate generator, auto-baud, and start-of-frame detection

  – Master/Slave Serial Peripheral Interface (SPI)

  – Master/Slave Two-Wire Interface (TWI) with dual address match

  • Standard mode (Sm, 100 kHz)

  • Fast mode (Fm, 400 kHz)

  • Fast mode plus (Fm+, 1 MHz)

  – Event System for CPU independent and predictable inter-peripheral signaling

  – Configurable Custom Logic (CCL) with four programmable Look-Up Tables (LUT)

  – One Analog Comparator (AC) with scalable reference input

  – One 12-bit differential 375 ksps Analog-to-Digital Converter (ADC) with Programmable Gain Amplifier (PGA) and up to 15 input channels

  – Multiple internal voltage references

  • 1.024V

  • 2.048V

  • 2.500V

  • 4.096V

  • VDD

  – Automated Cyclic Redundancy Check (CRC) flash memory scan

  – Watchdog Timer (WDT) with Window Mode, with a separate on-chip oscillator

  – External interrupt on all general purpose pins

  • I/O and Packages

  – Up to 22 programmable I/O pins

  – 14-pin

  • SOIC150

  • TSSOP

  – 20-pin

  • SOIC300

  • SSOP

  • VQFN 3x3 mm

  – 24-pin

  • VQFN 4x4 mm

  • Temperature Ranges

  – -40C to 85C (standard)

  – -40C to 125C (extended)

  • Speed Grades (-40C to 85C)

  – 0-5 MHz @ 1.8V – 5.5V

  – 0-10 MHz @ 2.7V – 5.5V

  – 0-20 MHz @ 4.5V – 5.5V

  • Speed Grades (-40C to 125C)

  – 0-8 MHz @ 2.7V - 5.5V

  – 0-16 MHz @ 4.5V - 5.5V

  ATtiny1627应用:

  • High-accuracy sensors: smoke, PIR, thermocouple, moisture, light, pressure, and force

  • Sensors in noisy environments benefiting from noise suppression capabilities

  • Real-time control systems such as power converters and secondary safety monitoring

  • Analog interface chip for larger MCU/MPUs with limited analog performance

  

  图1. ATtiny1627框图

  评估板ATtiny1627 Curiosity Nano(好奇纳米)

  The ATtiny1627 Curiosity Nano Evaluation Kit is a hardware platform to evaluate microcontrollers in the tinyAVR® 2-series. This board has the ATtiny1627 microcontroller (MCU) mounted.

  Supported by Atmel Studio and Microchip MPLAB® X Integrated Development Environments (IDEs), the board provides easy access to the features of the ATtiny1627 to explore how to integrate the device into a custom design.

  The Curiosity Nano series of evaluation boards include an on-board debugger. No external tools are necessary to program and debug the ATtiny1627.

  

  图2. 评估板ATtiny1627 Curiosity Nano外形图

  

  图3. 评估板ATtiny1627 Curiosity Nano元件分布图

  评估板ATtiny1627 Curiosity Nano主要特性:

  • ATtiny1627 Microcontroller

  • One Yellow User LED

  • One Mechanical User Switch

  • Footprint for 32.768 kHz Crystal

  • On-Board Debugger:

  – Board identification in Atmel Studio/Microchip MPLAB® X IDE

  – One green power and status LED

  – Programming and debugging

  – Virtual serial port (CDC)

  – Two debug GPIO channels (DGI GPIO)

  • USB Powered

  • Adjustable Target Voltage:

  – MIC5353 LDO regulator controlled by the on-board debugger

  – 1.8-5.1V output voltage (limited by USB input voltage)

  – 500 mA maximum output current (limited by ambient temperature and output voltage)

  

  图4. 评估板ATtiny1627 Curiosity Nano引脚图

  

  图5. 评估板ATtiny1627 Curiosity Nano电路图(1)

  

  图6. 评估板ATtiny1627 Curiosity Nano电路图(2)

  

  图7. 评估板ATtiny1627 Curiosity Nano PCB装配图(正面)

  

  图8. 评估板ATtiny1627 Curiosity Nano PCB装配图(背面)


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