Microchip Technology ATSAMG55J19B-AU Microcontroller, Microprocessor, FPGA Modules
IC MCU 32BIT 512KB FLASH 64LQFP

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATSAMG55J19B-AU
Detailed Description
IC MCU 32BIT 512KB FLASH 64LQFP
Package
64-LQFP
Key Features
Package / Case: 64-LQFP
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
ATSAMG55J19B-AU Datasheet
Quick Jump:
Technical Specifications
Microchip Technology ATSAMG55J19B-AU Microcontroller, Microprocessor, FPGA Modules technical specifications.
General
Series
SAM G55
RAM Size
176K x 8
Package / Case
64-LQFP
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
1.62V ~ 3.6V
Peripherals
DMA, I²S, POR, PWM, WDT
Speed
120MHz
Connectivity
I²C, SPI, UART/USART, USB
Core Processor
ARM® Cortex®-M4
Numberof IO
48
Alternate Parts Comparison (ATSAMG55J19B-AU vs AT89C51CC03CA-RDTUM vs ATSAM4SD16CA-AN vs ATSAM4N8BA-AUR)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 64-LQFP | 64-LQFP | 64-LQFP | 64-LQFP |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 1.62V ~ 3.6V | 3V ~ 5.5V | 1.62V ~ 3.6V | 1.62V ~ 3.6V |
| Core Processor | ARM® Cortex®-M4 | 80C51 | ARM® Cortex®-M4 | ARM® Cortex®-M4 |
| Core Size | 32-Bit Single-Core | 8-Bit | 32-Bit Single-Core | 32-Bit Single-Core |
| RAM Size | 176K x 8 | 2.25K x 8 | 160K x 8 | 64K x 8 |
| Connectivity | I²C, SPI, UART/USART, USB | CANbus, SPI, UART/USART | EBI/EMI, I²C, IrDA, Memory Card, SPI, SSC, UART/USART, USB | I²C, IrDA, SPI, UART/USART |
| Data Converters | A/D 8x12b | A/D 8x10b | A/D 16x12b; D/A 2x12b | A/D 11x10b; D/A 1x10b |
| Oscillator Type | Internal | External | Internal | Internal |
| Peripherals | DMA, I²S, POR, PWM, WDT | POR, PWM, WDT | Brown-out Detect/Reset, DMA, POR, PWM, WDT | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Program Memory Size | 512KB (512K x 8) | 64KB (64K x 8) | 1MB (1M x 8) | 512KB (512K x 8) |
| Program Memory Type | Flash | Flash | Flash | Flash |
| Action |
More Parts in Microcontrollers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.