| PartNumber | ATMEGA48PB-ANR | ATMEGA48PB-AN | ATMEGA48PB-AU |
| Description | 8-bit Microcontrollers - MCU 20 MHZ, TQFP, 105C, GREEN T&R | 8-bit Microcontrollers - MCU 20 MHZ, TQFP, 105C, GREEN | 8-bit Microcontrollers - MCU 4KB 256B 512B 20 MHZ TQFP GRN |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Package / Case | TQFP-32 | TQFP-32 | TQFP-32 |
| Series | ATmega48PB | ATmega48PB | ATmega48PB |
| Packaging | Reel | Tray | Tray |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Moisture Sensitive | Yes | Yes | Yes |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 2000 | 250 | 250 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Tradename | AVR | AVR | AVR |
| Mounting Style | - | SMD/SMT | SMD/SMT |
| Core | - | AVR | AVR |
| Data Bus Width | - | 8 bit | 8 bit |
| Maximum Clock Frequency | - | 20 MHz | 20 MHz |
| Program Memory Size | - | 4 kB | 4 kB |
| Data RAM Size | - | 512 B | 512 B |
| ADC Resolution | - | 10 bit | 10 bit |
| Number of I/Os | - | 27 I/O | 27 I/O |
| Operating Supply Voltage | - | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Minimum Operating Temperature | - | - 40 C | - 40 C |
| Maximum Operating Temperature | - | + 105 C | + 85 C |
| Product | - | MCU | MCU |
| Program Memory Type | - | Flash | Flash |
| Data RAM Type | - | SRAM | SRAM |
| Data ROM Size | - | 256 B | 256 B |
| Data ROM Type | - | EEPROM | EEPROM |
| Interface Type | - | I2C, SPI, USART | I2C, SPI, USART |
| Analog Supply Voltage | - | 1.8 V to 5.5 V | - |
| Number of ADC Channels | - | 8 Channel | 8 Channel |
| Number of Timers/Counters | - | 2 x 8 bit/1 x 16 bit | 2 x 8 bit, 1 x 16 bit |
| Processor Series | - | megaAVR | megaAVR |
| Supply Voltage Max | - | 5.5 V | 5.5 V |
| Supply Voltage Min | - | 1.8 V | 1.8 V |
| Watchdog Timers | - | Watchdog Timer | Watchdog Timer |
| Unit Weight | - | - | 0.011933 oz |