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| PartNumber | ATSAMG55J19A-AUT | ATSAMG55J19A-MU | ATSAMG55J19A-AU |
| Description | ARM Microcontrollers - MCU TQFP , IND TEMP | ARM Microcontrollers - MCU QFN, IND TEMP | ARM Microcontrollers - MCU TQFP , IND TEMP |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | LQFP-64 | QFN-64 | LQFP-64 |
| Series | SAMG | SAMG | SAMG |
| Core | ARM Cortex M4 | ARM Cortex M4 | ARM Cortex M4 |
| Data Bus Width | 32 bit | 32 bit | 32 bit |
| Maximum Clock Frequency | 120 MHz | 120 MHz | 120 MHz |
| Program Memory Size | 512 kB | 512 kB | 512 kB |
| Data RAM Size | 176 kB | 176 kB | 176 kB |
| ADC Resolution | 12 bit | 12 bit | 12 bit |
| Number of I/Os | 48 I/O | 48 I/O | 48 I/O |
| Operating Supply Voltage | 1.62 V to 3.6 V | 1.62 V to 3.6 V | 1.62 V to 3.6 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Reel | Tray | Tray |
| Product | MCU | MCU | MCU |
| Program Memory Type | Flash | Flash | Flash |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Data RAM Type | SRAM | SRAM | SRAM |
| Interface Type | I2C, I2S, SPI, USART | I2C, I2S, SPI, USART | I2C, I2S, SPI, USART |
| Moisture Sensitive | Yes | Yes | Yes |
| Number of ADC Channels | 8 Channel | 8 Channel | 8 Channel |
| Number of Timers/Counters | 2 Timer | 2 Timer | 2 Timer |
| Processor Series | SAMG55J | SAMG55J | SAMG55J |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 1500 | 260 | 160 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 3.6 V | 3.6 V | 3.6 V |
| Supply Voltage Min | 1.62 V | 1.62 V | 1.62 V |
| Watchdog Timers | Watchdog Timer | Watchdog Timer | Watchdog Timer |
| Unit Weight | 0.005880 oz | 3.880136 oz | 3.880136 oz |