The AVR16/32DD28/32 implements current technologies from Microchip Technology, with a flexible and low-power architecture, including the Event System, intelligent analog features, and advanced digital peripherals. The AVR16/32DD28/32 microcontrollers are housed in 28- or 32-pin packages.
Features
- AVR® CPU
- Running at up to 24MHz
- Single-cycle I/O access
- Two-level interrupt controller
- Two-cycle hardware multiplier
- Supply voltage range of 1.8V to 5.5V
- Memories
- Up to 32KB in-system self-programmable Flash memory
- 256B EEPROM
- Up to 4KB SRAM
- 32B of user row in nonvolatile memory that can keep data during chip erase and can be programmed while the device is locked
- Write/erase endurance
- 1,000 cycles for Flash
- 100,000 cycles for EEPROM
- Data retention of 40 years at +55°C
- System
- Power-on Reset (POR) circuit
- Brown-out Detector (BOD)
- Clock options
- High-precision internal high-frequency oscillator with selectable frequency up to 24MHz (OSCHF)
- Auto-tuning for improved internal oscillator accuracy
- Internal PLL up to 48MHz for the high-frequency operation of Timer/Counter type D (PLL)
- 32.768kHz ultra-low power internal oscillator (OSC32K)
- 32.768kHz external crystal oscillator (XOSC32K)
- External clock input
- External high-frequency crystal oscillator (XOSCHF) with Clock Failure Detection
- High-precision internal high-frequency oscillator with selectable frequency up to 24MHz (OSCHF)
- Single-pin Unified Program and Debug Interface (UPDI)
- Three sleep modes
- Idle with all peripherals running for immediate wake-up
- Standby with a configurable operation of selected peripherals
- Power-Down with full data retention
- Automated Cyclic Redundancy Check (CRC) Flash memory scan
- Watchdog Timer (WDT) with Window mode and a separate on-chip oscillator
- External interrupt on all general-purpose pins
- Peripherals
- 1x 16-bit Timer/Counter type A (TCA) with 3x compare channels for PWM and waveform generation
- 3x 16-bit Timer/Counter type B (TCB) with input capture and signal measurements
- 1x 12-bit PWM Timer/Counter type D (TCD) optimized for power control
- 1x 16-bit Real-Time Counter (RTC) that can run from an external crystal or internal oscillator
- 2x USARTs
- Operation modes of RS-485, LIN client, host SPI, and IrDA
- Fractional baud rate generator, auto-baud, and start-of-frame detection
- 1x SPI with host/client operation modes
- 1x Two-Wire Interface (TWI) with dual address match
- Simultaneous host/client operation (Dual mode)
- Philips I2C compatible
- Standard mode (Sm, 100kHz)
- Fast mode (Fm, 400kHz)
- Fast mode Plus (Fm+, 1MHz) (1)
- Event system for CPU independent and predictable inter-peripheral signaling
- Configurable Custom Logic (CCL) with 4x programmable Look-up Tables (LUTs)
- 1x 12-bit differential 130ksps Analog-to-Digital Converter (ADC)
- 1x 10-bit Digital-to-Analog Converter (DAC)
- 1x Analog Comparator (AC)
- 1x Zero-Cross Detector (ZCD)
- Internal 1.024V, 2.048V, 2.500V, and 4.096V voltage references and external reference option (VREF)
- I/O and packages
- Multi-voltage I/O (MVIO) on I/O port C
- Selectable input voltage threshold
- Up to 27/26 programmable I/O pins
- 32-pin VQFN 5mm x 5mm and TQFP 7mm x 7mm
- 28-pin SPDIP, SSOP, SOIC, and VQFN
- Temperature ranges
- -40°C to +85°C industrial
- -40°C to +125°C extended
Power Domain Overview
Block Diagram
Videos
Paskelbta: 2023-01-21
| Atnaujinta: 2024-11-06

