| PartNumber | PIC32MX420F032HT-40V/MR | PIC32MX420F032HT-40I/PT | PIC32MX420F032HT-40I/MR |
| Description | 32-bit Microcontrollers - MCU 32KB 8KB RAM USB-OTG 40MHz 10-Bit ADC DMA | 32-bit Microcontrollers - MCU 64 Pin, 32 KB Flash 8 KB RAM,10-Bit ADC | 32-bit Microcontrollers - MCU 64 Pin, 32 KB Flash 8 KB RAM,10-Bit ADC |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | 32-bit Microcontrollers - MCU | 32-bit Microcontrollers - MCU | 32-bit Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | QFN-64 | TQFP-64 | QFN-64 |
| Series | PIC32MX4xx | PIC32MX4xx | PIC32MX4xx |
| Core | MIPS32 M4K | MIPS32 M4K | MIPS32 M4K |
| Data Bus Width | 32 bit | 32 bit | 32 bit |
| Maximum Clock Frequency | 80 MHz | 40 MHz | 40 MHz |
| Program Memory Size | 32 kB | 32 kB | 32 kB |
| Data RAM Size | 8 kB | 8 kB | 8 kB |
| ADC Resolution | 10 bit | 10 bit | 10 bit |
| Number of I/Os | 5 I/O | 51 I/O | 51 I/O |
| Operating Supply Voltage | 2.3 V to 3.6 V | 2.3 V to 3.6 V | 2.3 V to 3.6 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 105 C | + 85 C | + 85 C |
| Packaging | Reel | Reel | Reel |
| Program Memory Type | Flash | Flash | Flash |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Data RAM Type | DRAM | - | - |
| Interface Type | I2C, RS-232, RS-485, SPI, UART, USB | EUART, I2C, SPI | EUART, I2C, SPI |
| Number of Timers/Counters | 5 Timer | 5 Timer | 5 Timer |
| Processor Series | PIC32MX4 | PIC32MX4 | PIC32MX4 |
| Product Type | 32-bit Microcontrollers - MCU | 32-bit Microcontrollers - MCU | 32-bit Microcontrollers - MCU |
| Factory Pack Quantity | 3300 | 1200 | 3300 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Tradename | MIPS32 | MIPS32 | MIPS32 |
| Unit Weight | 0.007277 oz | 0.012720 oz | 0.007277 oz |
| Height | - | 1 mm | 0.88 mm |
| Length | - | 10 mm | 9 mm |
| Product | - | MCU | MCU |
| Width | - | 10 mm | 9 mm |
| Moisture Sensitive | - | Yes | - |
| Number of ADC Channels | - | 16 | 16 |
| Supply Voltage Max | - | 3.6 V | 3.6 V |
| Supply Voltage Min | - | 2.3 V | 2.3 V |