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Microchip Technology AVR16DD28-E/SS — Microcontrollers & Processors (MCU / MPU / DSP)

Microchip AVR16DD28-E/SS AVR 8-bit MCU, 24 MHz, 16KB Flash

MPNAVR16DD28-E/SS
Active

Microchip AVR® DD series, AVR 8-bit MCU, 24 MHz, 16KB Flash, 22 I/O, I²C/SPI/UART/LIN/RS-485, 19x12b ADC + 10b DAC, -40°C to 125°C, 28-SSOP, Tube.

Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

AVR16DD28-E/SS specifications
ParameterValue
SeriesAVR® DD
Oscillator typeExternal, Internal
Program memory typeFLASH
MountingSurface Mount
Operating temperature high-40°C to 125°C (TA)
Cpu_coreAVR
Frame_size8-Bit
Fuse_speed24 MHz
ConnectivityI2C, IrDA, LINbus, RS-485, SPI, UART/USART
Package_typeTube
Number of i (O)22
StatusActive
Data convertersA/D 19x12b SAR; D/A 1x10b
Peripheral_typesBrown-out Detect/Reset, POR, PWM, WDT
Supply voltage1.8

Product details

AVR16DD28-E/SS — 8-bit MCU with 125°C reach and analog density

It packs 22 I/O lines, a 19-channel 12-bit SAR ADC, and a 10-bit DAC — analog muscle that sets it apart from many 8-pin or 14-pin parts in the same speed class.

At 24 MHz the core executes most instructions in a single clock cycle, so the throughput is comparable to many 32-bit parts running at lower clock rates when the task is bit-banging or register-level control.

Analog and connectivity set

Nineteen 12-bit ADC channels cover a lot of sensor inputs — thermistors, potentiometers, current shunts — without needing an external mux. The single 10-bit DAC can generate a reference or an analog setpoint. On the digital side, the part speaks I²C, SPI, UART/USART, LIN, and RS-485, so it bridges directly to automotive and industrial buses without a protocol converter.

Frequently asked questions

What is the difference between AVR16DD28-E/SS and AVR32DD28T-I/SS?

The AVR32DD28T-I/SS also ships in Tape & Reel rather than Tube. If you need the higher Flash density and can accept the 85°C ceiling, it is a drop-in hardware swap; otherwise the 125°C grade of the AVR16DD28-E/SS is the deciding factor.

Does the AVR16DD28-E/SS have built-in EEPROM?

The evidence does not list a separate EEPROM block. The program memory is Flash (16 KB). For nonvolatile parameter storage you would use a Flash sector or an external EEPROM — the I²C/SPI interfaces make that straightforward.