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Product Detailed Parameters
- Description：IC MCU 8BIT 16KB FLASH 32TQFP
- Series：AVR® EA
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Core Processor：AVR
- Core Size：8-Bit
- Speed：20MHz
- Connectivity：I2C, IrDA, SMBus, SPI, UART/USART
- Peripherals：Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O：27
- Program Memory Size：16KB (16K x 8)
- Program Memory Type：FLASH
- EEPROM Size：512 x 8
- RAM Size：2K x 8
- Voltage - Supply (Vcc/Vdd)：1.8V ~ 5.5V
- Data Converters：A/D 24x12b; D/A 1x10b
- Oscillator Type：External, Internal
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：32-TQFP (7x7)
- Package / Case：32-TQFP
- Grade：-
- Qualification：-
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Overview
The AVR16EA32T-E/PT is an 8-bit microcontroller from the AVR EA family, featuring a 16 KB Flash memory with read-while-write capability, 2 KB SRAM, and 512 bytes of EEPROM. It operates at clock speeds up to 20 MHz within a supply voltage range of 1.8 V to 5.5 V. The device includes a 12-bit ADC with 24 channels, four TCBs, two TCAs, three USARTs, SPI, and TWI interfaces. Packaged in a TQFP-32, it supports extended industrial temperature ranges from -40°C to +125°C.
Feature Summary
- AVR CPU with hardware multiplier running at up to 20 MHz
- True read-while-write operation for non-volatile memory access
- Integrated Event System for peripheral-to-peripheral signaling
- Configurable Custom Logic (CCL) with programmable Look-up Tables
Applications
- Real-time control systems
- Sensor nodes
- Secondary safety monitoring equipment
- Closed-loop control designs
Procurement Notes
Verify the specific ordering suffix 'E' confirms the extended temperature rating (-40°C to +125°C) and 'T' indicates tape and reel packaging. Confirm the datasheet revision matches the required design specifications. Ensure compatibility with UPDI programming tools for development and production.
Selection Notes
Select this component when extended temperature operation is required alongside standard AVR EA features. The 32-pin package provides a balance of I/O availability and board space. Verify that the 24-channel ADC count meets application requirements compared to lower pin-count variants.
Part Context
This part belongs to the AVR EA family, designed for flexible low-power architectures. It offers vertical migration compatibility within the series without code modification. The device integrates advanced digital peripherals and accurate analog subsystems for efficient embedded control applications.
Replacement Considerations
AVR16EA32T-I/PT: Identical electrical and functional specifications but rated for Industrial temperature range (-40°C to +85°C).
FAQ
Does the AVR16EA32 support simultaneous host and client operations on its TWI interface?
Yes, the TWI/I2C interface supports dual address match allowing independent host and client operation simultaneously.
What is the maximum sampling rate of the integrated ADC?
The 12-bit differential ADC supports a sampling rate of up to 375 ksps.
