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ATSAM4S4BA-AU
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Product Detailed Parameters
- Description：IC MCU 32BIT 256KB FLASH 64LQFP
- Series：SAM4S
- Mfr：Microchip Technology
- Package：Tray
- Core Processor：ARM® Cortex®-M4
- Core Size：32-Bit Single-Core
- Speed：120MHz
- Connectivity：I2C, IrDA, Memory Card, SPI, SSC, UART/USART, USB
- Peripherals：Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Number of I/O：47
- Program Memory Size：256KB (256K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：64K x 8
- Voltage - Supply (Vcc/Vdd)：1.62V ~ 3.6V
- Data Converters：A/D 11x12b; D/A 2x12b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：64-LQFP (10x10)
- Package / Case：64-LQFP
- Grade：-
- Qualification：-
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Overview
The ATSAM4S4BA-AU is a 32-bit microcontroller based on the ARM Cortex-M4 core, operating at 120 MHz. It features 256 KB of Flash memory and 64 KB of SRAM. The device includes an external bus interface, FS USB Device, HS SDIO/SD/MMC, three SPIs, two I2Cs, I2S, two USARTs, four 16-bit PWMs, six 16-bit timers, and up to 79 IOs. It operates within a temperature range of -40°C to 85°C and utilizes a 64-pin LQFP package.
Feature Summary
- Integrates ARM Cortex-M4 processor with Flash read accelerator and optional cache for high performance.
- Supports Microchip QTouch capacitive touch technology for buttons, sliders, and wheels.
- Provides hardware code protection including IP access prevention and secure device reconditioning.
- Features multi-layer AHB matrix and 21-channel DMA for high data rate communication.
Applications
- Consumer goods and toys
- Industrial control systems
- Metering devices
- Medical equipment
- Test and measurement instruments
Procurement Notes
Verify the specific ordering suffix against official documentation to confirm package type and temperature grade. Confirm that the 'AU' suffix corresponds to the standard industrial temperature range and LQFP packaging as listed in the manufacturer's ordering guide. Ensure compatibility with existing design tools and IDEs such as Atmel Studio.
Selection Notes
Select this component when pin-to-pin migration from SAM4N, SAM3S, SAM3N, or SAM7S devices is required. Choose this model for applications needing 256 KB Flash and 64 KB SRAM in a 64-pin LQFP package. Consider the integrated QTouch support if capacitive sensing is needed without additional controllers.
Part Context
This part belongs to the SAM4S series, which extends Microchip's Cortex-M-based MCU portfolio. The series offers scalable performance with memory densities up to 2 MB Flash and 160 KB SRAM. It provides rich peripheral sets for connectivity and system control, targeting applications requiring high efficiency and robust security features.
Replacement Considerations
ATSAM4S4BA-MU (64-pin QFN)
FAQ
Does the ATSAM4S4BA-AU support capacitive touch interfaces?
Yes, the SAM4S series offers native support for Microchip's QTouch technology, allowing implementation of buttons, sliders, and wheels.
What is the maximum operating frequency of the ATSAM4S4BA-AU?
The device operates at a maximum frequency of 120 MHz.
