ChipApex | Global Electronic Components Supplier
ATTINY1634-MUR
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：IC MCU 8BIT 16KB FLASH 20QFN
- Series：AVR® ATtiny
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Core Processor：AVR
- Core Size：8-Bit
- Speed：12MHz
- Connectivity：I2C, SPI, UART/USART, USI
- Peripherals：Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O：18
- Program Memory Size：16KB (16K x 8)
- Program Memory Type：FLASH
- EEPROM Size：256 x 8
- RAM Size：1K x 8
- Voltage - Supply (Vcc/Vdd)：1.8V ~ 5.5V
- Data Converters：A/D 12x10b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：20-QFN-EP (4x4)
- Package / Case：20-WFQFN Exposed Pad
- Grade：-
- Qualification：-
Download product information
Overview
The ATtiny1634-MUR is an 8-bit AVR microcontroller featuring a 20-pad QFN/MLF package. It includes 16 KB of in-system programmable Flash, 1 KB of SRAM, and 256 bytes of EEPROM. The device operates at speeds up to 12 MHz within the 4.5 V to 5.5 V supply range. It supports industrial temperature ranges from -40°C to +85°C. Key peripherals include two USARTs, a slave I2C interface, a USI, a 10-bit ADC with 12 external channels, and dedicated hardware support for capacitive touch sensing.
Feature Summary
- Dedicated hardware and library support for capacitive touch sensing interfaces
- Dual full-duplex USARTs equipped with start frame detection capabilities
- Integrated calibrated 8MHz oscillator with temperature calibration options
- On-chip debugWIRE system enabling in-system programming via SPI
Applications
- Capacitive touch sensing applications utilizing QTouch technology
- Industrial control systems requiring robust communication protocols
- Battery-powered devices leveraging ultra-low power consumption modes
- General-purpose embedded logic controllers
Procurement Notes
Verify that the ordering suffix 'R' corresponds to tape and reel packaging as specified in the official documentation. Confirm the speed grade matches the required operating voltage and frequency constraints. Ensure the component meets the specific industrial temperature range requirements for your application environment before finalizing procurement.
Selection Notes
Select this model when a 20-pin surface-mount MLF/QFN package is required for space-constrained designs. Choose the 'R' suffix variant specifically if automated pick-and-place assembly using tape and reel is necessary. Consider the extended temperature range variants if operation beyond standard industrial limits is required.
Part Context
This component belongs to the ATtiny1634 series within the Microchip tinyAVR family. It utilizes the high-performance, low-power AVR 8-bit RISC architecture. The device is manufactured using Atmel's high-density non-volatile memory technology, allowing for flexible reprogramming and data retention capabilities suitable for various embedded applications.
Replacement Considerations
ATtiny1634-MU: Identical electrical specifications but supplied in bulk rather than tape and reel.
FAQ
What is the function of the bottom pad on the QFN/MLF package?
The bottom pad must be soldered to ground to ensure proper thermal dissipation and electrical grounding.
How does the device handle capacitive touch sensing?
It provides dedicated hardware support and includes the QTouch Library for implementing touch-sensitive interfaces using QTouch or QMatrix acquisition methods.
