ATSAM4SA16CA-CU

Overview

The ATSAM4SA16CA-CU is a 32-bit microcontroller from the Microchip SAM4S series, featuring an ARM Cortex-M4 core operating at 120 MHz. It integrates 1 MB of flash memory and 160 KB of RAM within a 100-pin TFBGA package (9x9 mm). The device supports a supply voltage range of 1.62 V to 3.6 V and includes 16-channel 12-bit ADCs and two 12-bit DACs. Connectivity options encompass EBI/EMI, I2C, IrDA, SD card interfaces, SPI, SSC, UART/USART, and USB.

Feature Summary

• Integrates ARM Cortex-M4 processor with hardware floating-point unit for efficient digital signal processing.
• Provides extensive peripheral connectivity including Ethernet MAC interface via EBI/EMI and multiple serial communication protocols.
• Features high-resolution analog-to-digital conversion capabilities suitable for precision sensor interfacing.

Applications

• Industrial control systems requiring robust communication interfaces
• Medical devices utilizing high-precision analog signal acquisition
• Consumer electronics employing USB connectivity and display controllers

Procurement Notes

Verify the specific suffix 'CU' against official Microchip documentation to confirm the exact package type and temperature grade. Ensure compatibility with existing PCB footprints for the 100-TFBGA form factor. Cross-reference the manufacturer part number directly with authorized distributors to avoid counterfeit components. Confirm that the selected variant meets the required industrial temperature specifications for the intended application environment.

Selection Notes

Select this component when 1 MB of program storage and 160 KB of RAM are required alongside a 120 MHz processing speed. Choose the TFBGA package if space-constrained board designs necessitate a compact footprint. Consider this MCU for applications demanding integrated Ethernet or LCD controller interfaces via the external bus interface. Evaluate power consumption characteristics against other SAM4S variants if battery operation is a constraint.

Part Context

This microcontroller belongs to the SAM4S family, designed for high-performance embedded applications. It shares architectural similarities with other SAM4S parts but offers specific memory and pin configurations. The series is known for supporting advanced software frameworks and development tools provided by Microchip Technology.

Replacement Considerations

ATSAM4SA16CB-CN

FAQ

What is the maximum operating frequency of the ATSAM4SA16CA-CU?

The microcontroller operates at a maximum clock frequency of 120 MHz.

Does this device support external memory expansion?

Yes, it includes an External Bus Interface (EBI) and External Memory Interface (EMI) for connecting external memories or peripherals.