| Part Number | ATMEGA328PB-AN, ATMEGA328PB-AU, PIC16F1939T-I/PT |
| Dimensions | 7.1 x 7.1 x 1.05 mm, 10 x 10 x 1.05 mm |
| Mounting Type | Surface Mount |
| Pin Count | 32, 44 |
| Brand | Microchip |
| Device Core | 8 bit CPU |











| Part Number | ATMEGA328PB-AN, ATMEGA328PB-AU, PIC16F1939T-I/PT |
| Dimensions | 7.1 x 7.1 x 1.05 mm, 10 x 10 x 1.05 mm |
| Mounting Type | Surface Mount |
| Pin Count | 32, 44 |
| Brand | Microchip |
| Device Core | 8 bit CPU |
| RAM Size | 1 kB |
| ADC Resolution | 10 bit |
| Package Type | TQFP |
| Program Memory Size | 32 kB, 28 kB |
| Typical Operating Supply Voltage | 1.8 → 5.5 V, 5.5 V (Maximum) |
| Maximum Operating Temperature | +105°C, +85°C |
| Data Rate | 15 kbit/s |
| ADC Channels | 8, 14 |
| ADCs | 1 (8 x 10 bit), 1 (14 x 10 bit) |
| Data Bus Width | 8 bit |
| Family Name | ATmega, PIC16F |
| Instruction Set Architecture | RISC |
| Maximum Frequency | 20 MHz, 32 MHz |
| Maximum Number of Ethernet Channels | 0 |
| Minimum Operating Temperature | -40°C |
| Number of ADC Units | 1 |
| Number of Can Channels | 0 |
| Number of Ethernet Channels | 0 |
| Number of I2C Channels | 2, 1 |
| Number of LIN Channels | 0 |
| Number of PCI Channels | 0 |
| Number of PWM Units | 1 |
| Number of SPI Channels | 2, 1 |
| Number of Timers | 2 |
| Number of UART Channels | 2, 1 |
| Number of USART Channels | 2, 1 |
| PWM Channels | 10, 2 |
| PWM Resolution | 10 bit |
| Program Memory Type | Flash |
| Pulse Width Modulation | 1 (10 Channel), 1 (2 x 10 bit) |
| Timer Resolution | 8 bit, 16 bit |
| Timers | 1 (2 x 8 bit), 1 (3 x 16 bit) |
| USB Channels | 0 |

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