Microchip AVR® DA series AVR128DA48-E/PT, 8-bit AVR MCU, 128KB Flash, 16K x 8 RAM, 512 x 8 EEPROM, 24MHz, 41 I/O, 48-TQFP (7x7 mm), -40°C to 125°C, 1.8V to 5.5V.
| Parameter | Value |
|---|---|
| Series | AVR® DA |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 1.8V ~ 5.5V |
| Operating temperature | -40°C ~ 125°C (TA) |
| Speed | 24MHz |
| Package | Tray |
| RAM size | 16K x 8 |
| Core size | 8-Bit |
| EEPROM size | 512 x 8 |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Connectivity | I²C, SPI, UART/USART |
| Number of i (O) | 41 |
| Core processor | AVR |
| Case | 48-TQFP |
| Data converters | A/D 18x12b; D/A 1x10b |
| Program memory size | 128KB (128K x 8) |
The 128 KB Flash gives enough room for a modest RTOS, a communication stack, and application code; the 16 KB RAM handles moderate data buffers and stack depth. If your firmware needs more than 128 KB of code space, you are looking at a different density tier within the AVR DA family.
ROHS3 compliant as well.
Within the AVR family, the AVR32DD28T-I/SS is a smaller-pin-count (28-pin SSOP) sibling with similar peripherals but fewer I/O and a narrower temperature range (up to 85°C). The PIC24FV16KA304-I/PT is a 16-bit alternative with 32 MHz core speed and 38 I/O in a 44-pin TQFP, but it runs on 2.0 V minimum and tops out at 85°C. Neither is a drop-in replacement — footprint and supply voltage differ.