Microchip Technology AVR16EB14/20/28/32 MCUs

Microchip Technology AVR16EB14/20/28/32 microcontrollers are part of the AVR® EB family. The AVR16EB14/20/28/32 offers an AVR CPU with hardware multiplier running at clock speeds up to 20MHz, with 16KB of Flash, 2KB of SRAM, and 512 bytes of EEPROM. The AVR16EB14/20/28/32 MCUs implement the most current technology with a flexible and low-power architecture, including an Event System, accurate analog subsystems, and advanced digital peripherals.

The Microchip AVR16EB14/20/28/32 MCUs are available in 14-, 20-, 28- or 32-pin packages.

Features

AVR® CPU
- Running at up to 20MHz
- Single-cycle I/O register access
- 2-level interrupt controller
- 2-cycle hardware multiplier
- Supply voltage range of 1.8V to 5.5V
Memories
- 16KB In-system-programmable Flash memory with a true read-while-write operation
- 2KB SRAM
- 512B EEPROM
- 64B 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 of 1,000 cycles
  - EEPROM of 100,000 cycles
- Data retention of 40 years at +55°C
System
- Power-on Reset (POR) circuit
- Brown-out Detector (BOD) with user-programmable levels
- Voltage Level Monitor (VLM) with interrupt at a programmable level above the BOD level
- Clock options:
  - High-precision internal oscillator with selectable frequency up to 20MHz (OSCHF) and auto-tuning for improved internal oscillator accuracy
  - Internal PLL up to 80MHz for high-frequency operation of Timer/Counter type E/F
  - Internal ultra-low power 32.768kHz oscillator (OSC32K)
  - External 32.768kHz crystal oscillator (XOSC32K)
  - External clock input
- Single-pin Unified Program and Debug Interface (UPDI)
- 3x 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
I/O and packages
- Up to 28/27 programmable I/O pins
- 14-pin SOIC and TSSOP
- 20-pin SSOP and VQFN
- 28-pin SPDIP, SSOP, and VQFN
- 32-pin VQFN and TQFP

Peripherals
- 2x 16-bit Timer/Counters type B (TCB) with input capture for capture and signal measurements
- 1x 16-bit Timer/Counter type E (TCE) with 4x compare channels for PWM generation and Waveform Extension (WEX)
- 1x ne 24-bit Timer/Counter type F (TCF) for frequency generation
- 1x 16-bit Real-Time Counter (RTC) that can run from an external crystal or internal oscillator
- 1x USART with fractional baud rate generator, auto-baud, and start-of-frame detection
- 1x host/client Serial Peripheral Interface (SPI)
- 1x 2-Wire Interface (TWI) with dual address match
  - Independent host and client operation (Dual mode)
  - Phillips I²C compatible
  - Standard mode (Sm, 100kHz)
  - Fast mode (Fm, 400kHz)
  - Fast mode plus (Fm+, 1MHz)
- Event System for CPU-independent and predictable inter-peripheral signaling
- Configurable Custom Logic (CCL) with up to 4x programmable Look-up Tables (LUTs)
- 1x 12-bit, 300ksps, differential Analog-to-Digital Converter (ADC) with a programmable gain amplifier (PGA)
- 2x Analog Comparators (ACs) with window compare functions
- Multiple voltage references (VREF)
  - 1.024V
  - 2.048V
  - 2.500V
  - 4.096V
  - VREFA
  - V_DD
- Automated Cyclic Redundancy Check (CRC) Flash program memory scan
- Watchdog Timer (WDT) with Window mode and separate on-chip oscillator
- External interrupt on all general-purpose pins
Temperature ranges
- Industrial of -40°C to +85°C ambient
- Extended of -40°C to +125°C ambient

Applications

Safety-critical applications
Home appliances

Automotive
Industrial

Microchip Technology AVR16EB14/20/28/32 MCUs

Features

Applications

Block Diagram

husseinkey ELECTRONICS®

COMPANY