AVR64DA32ST-I/PT

Description：64KB,8KB,32P,24 MHZ,PDID,12B ADC
Series：AVR® DA
Mfr：Microchip Technology
Package：Tape & Reel (TR)
Core Processor：AVR

SKU:21680506431a Category: Microcontrollers Brand: Microchip Technology

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Product introduction

Product Detailed Parameters

Description：64KB,8KB,32P,24 MHZ,PDID,12B ADC
Series：AVR® DA
Mfr：Microchip Technology
Package：Tape & Reel (TR)
Core Processor：AVR
Core Size：8-Bit
Speed：24MHz
Connectivity：I2C, SPI, UART/USART
Peripherals：Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O：26
Program Memory Size：64KB (64K x 8)
Program Memory Type：FLASH
EEPROM Size：512 x 8
RAM Size：8K x 8
Voltage - Supply (Vcc/Vdd)：1.8V ~ 5.5V
Data Converters：A/D 14x12b SAR; D/A 1x10b
Oscillator Type：Internal
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Supplier Device Package：32-TQFP (7x7)
Package / Case：32-TQFP
Grade：-
Qualification：-

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AVR64DA32ST-I/PT

Overview

The AVR64DA32ST-I/PT is an 8-bit microcontroller from the AVR DA(S) family, featuring a 32-pin TQFP package with tape and reel carrier. It integrates 64 KB of Flash memory, 8 KB of SRAM, and 512 B of EEPROM. The device operates at up to 24 MHz and supports a supply voltage range of 1.8 V to 5.5 V within industrial temperature limits (-40°C to +85°C). Key peripherals include a 12-bit ADC with 14 channels, three analog comparators, one DAC, three zero-cross detectors, and a Peripheral Touch Controller.

Feature Summary

Features Program and Debug Interface Disable (PDID) for secure firmware upgrades and authentication.
Includes an Event System for CPU-independent inter-peripheral signaling.
Integrates a Peripheral Touch Controller (PTC) with Driven Shield+ technology.
Supports vertical migration without code modification across the AVR DA(S) family.

Applications

Secure firmware upgrade implementations requiring PDID protection.
Capacitive touch interface designs using PTC buttons or sliders.
Power control applications utilizing the 12-bit Timer/Counter type D.
Industrial embedded systems operating in extended temperature ranges.

Procurement Notes

Verify the specific ordering suffix 'S' confirms the inclusion of the Program and Debug Interface Disable (PDID) feature, as this functionality is restricted to AVR DAS devices within the DA family. Ensure the 'T' suffix matches the required tape and reel packaging format for automated assembly processes. Confirm the 'I' designation aligns with the necessary industrial temperature range specifications for the target application environment.

Selection Notes

Select this component when vertical migration within the AVR DA(S) family is required without code changes. Choose this part if the design necessitates the PDID security feature for protecting boot code and application updates. Consider this MCU for applications requiring a balance of moderate pin count and advanced analog peripherals like the PTC and ZCD.

Part Context

This device belongs to the AVR DA(S) family, which utilizes the latest Microchip technologies including a flexible low-power architecture. The family offers horizontal migration options that reduce pin counts and available features, while vertical migration allows scaling memory and I/O without modifying existing software. The AVR64DA32 variant specifically provides 64 KB of Flash and 32 pins.