The document describes a high-performance, low-power AVR 8-bit microcontroller with advanced RISC architecture and several memory segments.
The handbook introduces the ATmega48PA and ATmega88PA 8‑bit AVR microcontrollers, describing their high‑performance, low‑power RISC architecture, rich instruction set, and integrated peripherals such as timers, ADCs, and watchdog.
It includes detailed pin‑out diagrams, electrical characteristics, memory sizes, power‑saving modes, and references to development tools and support resources, serving as a comprehensive reference for designers.
| Flash Memory | 4 KB (ATmega48PA) / 8 KB (ATmega88PA) |
|---|---|
| EEPROM | 256 B (ATmega48PA) / 512 B (ATmega88PA) |
| Internal SRAM | 512 B (ATmega48PA) / 1 KB (ATmega88PA) |
| Operating Voltage | 1.8 V – 5.5 V |
| Temperature Range | -40 °C – 85 °C |
| Maximum Clock Speed | 0 – 20 MHz @ 1.8‑5.5 V |
| Active Mode Current | 0.2 mA |
| Power‑down Mode Current | 0.1 pA |
| Power‑save Mode Current | 0.75 pA (incl. 32 kHz RTC) |
| Programmable I/O Lines | 23 |
| ADC Channels | 8‑channel 10‑bit (TQFP/QFN/MLF) / 6‑channel 10‑bit (PDIP) |
| Timer/Counters | Two 8‑bit timers, one 16‑bit timer, Real‑Time Counter |
| PWM Channels | Six |
| Watchdog Timer | Programmable with separate on‑chip oscillator |
| Sleep Modes | Idle, ADC Noise Reduction, Power‑save, Power‑down, Standby, Extended Standby |
The ATmega48PA contains 4 KB of flash memory, while the ATmega88PA provides 8 KB.
Both devices operate from 1.8 V up to 5.5 V.
The parts offer 23 programmable I/O lines.
In active mode the device draws about 0.2 mA; in power‑down mode it consumes roughly 0.1 pA.