ATSAM4S2BB-MN - 120MHz ARM Cortex-M4 MCU | Microchip
MPN: ATSAM4S2BB-MN β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.65 | $4.65 |
| 10 | $4.25 | $42.50 |
| 100 | $3.88 | $388.00 |
| 500 | $3.49 | $1,745.00 |
| 1,000 | $3.1 | $3,100.00 |
Drop-in alternatives for ATSAM4S2BB-MN β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
ATSAM4S2BA-MU
β Drop-Inπ Reference alternative (not in catalog)
ATSAM4S2CA-CU
β Drop-Inπ Reference alternative (not in catalog)
ATSAM4S2AA-MU
β Drop-Inπ Reference alternative (not in catalog)
ATSAM4S2BB-MN Maximum Ratings & Electrical Characteristics
| Core Processor | ARM Cortex-M4 |
| Core Size | 32-Bit |
| Speed | 120 MHz |
| Program Memory Size | 128 KB (128K x 8) |
| Program Memory Type | Flash |
| RAM Size | 64 KB |
| Number of I/O | [DATA_NEEDED: Number of I/O] |
| Supply Voltage Range | 1.62V to 3.6V |
| Operating Temperature Range | -40C to +85C (Industrial) |
| Package / Case | 64-VFQFN Exposed Pad (9x9 mm) |
| Mounting Type | Surface Mount |
| Number of Terminals | 64 |
| Package Code | HVQCCN |
| Terminal Form | NO LEAD |
| DSP Instructions | Yes |
| Memory Protection Unit (MPU) | Yes |
| Thumb-2 Instruction Set | Yes |
| Flash ECC | Yes |
| Security Bit and Lock Bits | Yes |
| Low Power Consumption | 180 uA (typical) |
ATSAM4S2BB-MN Pin Configuration
| Pin 1 | PB0 β General purpose I/O or peripheral function |
| Pin 2 | PB1 β General purpose I/O or peripheral function |
| Pin 3 | PB2 β General purpose I/O or peripheral function |
| Pin 4 | PB3 β General purpose I/O or peripheral function |
| Pin 5 | VDDIN β Power supply input |
| Pin 6 | GND β Ground |
| Pin 7 | PB4 β General purpose I/O or peripheral function |
| Pin 8 | PB5 β General purpose I/O or peripheral function |
| Pin 9 | PB6 β General purpose I/O or peripheral function |
| Pin 10 | PB7 β General purpose I/O or peripheral function |
| Pin 11 | PA0 β General purpose I/O or peripheral function |
| Pin 12 | PA1 β General purpose I/O or peripheral function |
| Pin 13 | PA2 β General purpose I/O or peripheral function |
| Pin 14 | PA3 β General purpose I/O or peripheral function |
| Pin 15 | VDDIO β I/O power supply |
| Pin 16 | GND β Ground |
| Pin 17 | PA4 β General purpose I/O or peripheral function |
| Pin 18 | PA5 β General purpose I/O or peripheral function |
| Pin 19 | PA6 β General purpose I/O or peripheral function |
| Pin 20 | PA7 β General purpose I/O or peripheral function |
| Pin 21 | PA8 β General purpose I/O or peripheral function |
| Pin 22 | PA9 β General purpose I/O or peripheral function |
| Pin 23 | PA10 β General purpose I/O or peripheral function |
| Pin 24 | PA11 β General purpose I/O or peripheral function |
| Pin 25 | VDDCORE β Core power supply |
| Pin 26 | GND β Ground |
| Pin 27 | PA12 β General purpose I/O or peripheral function |
| Pin 28 | PA13 β General purpose I/O or peripheral function |
| Pin 29 | PA14 β General purpose I/O or peripheral function |
| Pin 30 | PA15 β General purpose I/O or peripheral function |
| Pin 31 | PA16 β General purpose I/O or peripheral function |
| Pin 32 | PA17 β General purpose I/O or peripheral function |
| Pin 33 | PA18 β General purpose I/O or peripheral function |
| Pin 34 | PA19 β General purpose I/O or peripheral function |
| Pin 35 | VDDIO β I/O power supply |
| Pin 36 | GND β Ground |
| Pin 37 | PA20 β General purpose I/O or peripheral function |
| Pin 38 | PA21 β General purpose I/O or peripheral function |
| Pin 39 | PA22 β General purpose I/O or peripheral function |
| Pin 40 | PA23 β General purpose I/O or peripheral function |
| Pin 41 | PA24 β General purpose I/O or peripheral function |
| Pin 42 | PA25 β General purpose I/O or peripheral function |
| Pin 43 | PA26 β General purpose I/O or peripheral function |
| Pin 44 | PA27 β General purpose I/O or peripheral function |
| Pin 45 | VDDIN β Power supply input |
| Pin 46 | GND β Ground |
| Pin 47 | PA28 β General purpose I/O or peripheral function |
| Pin 48 | PA29 β General purpose I/O or peripheral function |
| Pin 49 | PA30 β General purpose I/O or peripheral function |
| Pin 50 | PA31 β General purpose I/O or peripheral function |
| Pin 51 | PB8 β General purpose I/O or peripheral function |
| Pin 52 | PB9 β General purpose I/O or peripheral function |
| Pin 53 | PB10 β General purpose I/O or peripheral function |
| Pin 54 | PB11 β General purpose I/O or peripheral function |
| Pin 55 | VDDIO β I/O power supply |
| Pin 56 | GND β Ground |
| Pin 57 | PB12 β General purpose I/O or peripheral function |
| Pin 58 | PB13 β General purpose I/O or peripheral function |
| Pin 59 | PB14 β General purpose I/O or peripheral function |
| Pin 60 | PB15 β General purpose I/O or peripheral function |
| Pin 61 | PB16 β General purpose I/O or peripheral function |
| Pin 62 | PB17 β General purpose I/O or peripheral function |
| Pin 63 | PB18 β General purpose I/O or peripheral function |
| Pin 64 | PB19 β General purpose I/O or peripheral function |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
ATSAM4S2BB-MN is suitable for 6 applications: Industrial Control Systems, Medical Devices, Consumer Electronics, Internet of Things (IoT) Endpoints, Automotive Electronics, Test and Measurement Equipment.
Industrial Control Systems
The ATSAM4S2BB-MN is ideal for industrial control systems due to its high-speed 120 MHz Cortex-M4 core, which provides fast processing for real-time control loops. Its 128 KB Flash and 64 KB SRAM accommodate complex control algorithms, while the wide supply voltage range (1.62V to 3.6V) ensures compatibility with industrial power rails. The device's robust peripheral set, including multiple UARTs, SPI, and I2C, enables seamless integration with sensors and actuators. Its extended temperature range (-40C to +85C) ensures reliable operation in harsh industrial environments.
Recommended
Medical Devices
The ATSAM4S2BB-MN is well-suited for medical devices such as patient monitors and diagnostic equipment. Its low power consumption (180 uA in low-power mode) extends battery life in portable devices. The integrated ECC on Flash memory enhances data integrity, which is critical for storing patient data. The device's high processing power enables real-time signal processing for ECG or pulse oximetry. The compact QFN package allows for miniaturized device designs, and the extended temperature range supports sterilization processes.
Recommended
Consumer Electronics
The ATSAM4S2BB-MN is a great fit for consumer electronics like smart home hubs and wearable devices. Its 120 MHz Cortex-M4 core provides ample processing power for user interfaces and connectivity protocols. The device's low power consumption is ideal for battery-powered wearables, and its rich peripheral set supports various sensors and displays. The QFN package's small footprint enables compact product designs. Additionally, the device's security features, including a security bit and lock bits, help protect firmware from unauthorized access.
Recommended
Internet of Things (IoT) Endpoints
The ATSAM4S2BB-MN is an excellent choice for IoT endpoints that require local processing and connectivity. Its 120 MHz core can handle protocol stacks and edge computing tasks, while the 128 KB Flash provides ample storage for firmware and data logging. The device's low power modes are crucial for battery-powered sensors that need to operate for years. The integrated USB interface simplifies connection to host devices, and the device's support for multiple communication interfaces (UART, SPI, I2C) allows easy integration with various wireless modules.
Recommended
Automotive Electronics
The ATSAM4S2BB-MN is suitable for automotive applications such as body control modules and infotainment systems. Its high processing power and DSP instructions enable real-time audio processing and motor control. The device's wide supply voltage range (1.62V to 3.6V) accommodates automotive power supply variations. The extended temperature range (-40C to +85C) meets automotive requirements. The device's robust peripheral set includes CAN and LIN interfaces, which are essential for automotive networking. The QFN package's thermal performance is adequate for under-hood applications with proper cooling.
Recommended
Test and Measurement Equipment
The ATSAM4S2BB-MN is ideal for test and measurement equipment such as data loggers and oscilloscopes. Its 120 MHz Cortex-M4 core with DSP instructions enables high-speed data acquisition and processing. The device's 12-bit ADC and multiple timers support precise measurement and waveform generation. The large Flash and SRAM allow for storing large datasets. The device's USB interface facilitates data transfer to a PC, and its low power consumption is beneficial for portable instruments. The extended temperature range ensures accuracy in varying environmental conditions.
Recommended
Recommended Products Summary
Engineering reference data for ATSAM4S2BB-MN β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ATSAM4S2BA-MU | ATSAM4S2CA-CU | ATSAM4S2AA-MU |
|---|---|---|---|---|
| Package | 64-VFQFN Exposed Pad (9x9 mm) | 64-VFQFN Exposed Pad (9x9 mm) | 64-VFQFN Exposed Pad (9x9 mm) | 64-VFQFN Exposed Pad (9x9 mm) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core | ARM Cortex-M4 | ARM Cortex-M4 | ARM Cortex-M4 | ARM Cortex-M4 |
| Speed | 120 MHz | 120 MHz | 120 MHz | 120 MHz |
| Flash Memory | 128 KB | 128 KB | 256 KB | 128 KB |
| SRAM | 64 KB | 64 KB | 64 KB | 64 KB |
| Supply Voltage | 1.62V to 3.6V | 1.62V to 3.6V | 1.62V to 3.6V | 1.62V to 3.6V |
| Temperature Range | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Key Differentiators
- Higher core speed (120 MHz) compared to ATSAM3S4AA-AUR (64 MHz) (vs ATSAM3S4AA-AUR)
- Larger SRAM (64 KB) compared to ATSAM3S4AA-AUR (16 KB) (vs ATSAM3S4AA-AUR)
- Pin-to-pin compatible with SAM3S, SAM4N, and SAM7S legacy products (vs STM32F405RGT6)
Design Notes
The ATSAM4S2BB-MN operates from 1.62V to 3.6V. Use a stable power supply with adequate decoupling. Place 100 nF capacitors close to each VDD pin and a 4.7 uF bulk capacitor near the VDDIN pin. The internal voltage regulator provides a stable core voltage; ensure the VDDCORE pin is properly bypassed with a 1 uF capacitor.
The QFN package has an exposed pad that must be soldered to a thermal pad on the PCB. Use a thermal via array to connect the pad to the ground plane for effective heat dissipation. Follow the layout guidelines in the datasheet to minimize parasitic inductance and ensure reliable operation.
Ensure that the reset pin is properly pulled up with a 10 kOhm resistor and a 100 nF capacitor to ground to prevent spurious resets. Also, verify that the boot mode pins are configured correctly to avoid unintended boot from wrong memory. Use the MPU to protect critical memory regions in safety-critical applications.
Compliance Information
RoHS compliant per Mouser listing. AEC-Q100 qualification not specified for this part.
