ATSAM4SD32BB-MNR

ATSAM4SD32BB-MNR is Microchip/Atmel’s 32‑bit microcontroller from the SAM4S family. It uses an ARM Cortex‑M4F core with DSP instructions and a floating‑point unit, delivering high performance for embedded control with efficient power usage.
Key points:
- Core and performance: 32‑bit Cortex‑M4F with DSP/FPU for real‑time processing.
- Memory: on‑chip flash and SRAM (sizes vary by variant; check the datasheet for exact figures).
- Peripherals: rich serial interfaces (USART/UART, SPI, I2C), USB (device/host as applicable), analog peripherals (ADC), timers, PWM, DMA, and an event system.
- Power modes: multiple low‑power options with wakeup mechanisms.
- Packaging: MNR suffix denotes a specific package/temperature grade; verify pin count and package in the datasheet.
- Development: supported by Atmel Studio, Microchip MPLAB X, CMSIS, and ASF.
- Applications: suitable for industrial control, consumer devices, motor control, instrumentation, and similar embedded systems.
For exact memory sizes, pinout, and peripheral details, consult the official datasheet and package specification.

Direct one-to-one cross references don’t exist. ATSAM4SD32BB-MNR is a Cortex-M4F MCU in Microchip’s SAM4SD family. Closest cross-vendor equivalents with similar core and peripherals include:
- STMicroelectronics STM32F4 series (e.g., STM32F407, STM32F429)
- NXP LPC43x/LPC4350 family (e.g., LPC4357)
- Texas Instruments TM4C129x / TM4C123 (M4F)
For exact pinout, memory, and peripherals, use a cross-reference tool or compare datasheets directly.

ATSAM4SD32BB-MNR Features (highlights)
- 32-bit ARM Cortex-M4F core with DSP instructions and FPU
- Up to 48 MHz operation for the CPU
- On-chip memory: Flash and SRAM (exact sizes depend on device variant; see datasheet)
- USB 2.0 Full-Speed device interface
- Serial peripherals: USART/UART, SPI, I2C (TWIM)
- Analog: 12-bit ADC with multiple channels
- Timers and PWM channels for flexible timing and control
- DMA/Peripheral DMA Controller (PDCA) and an Event System for peripheral-to-peripheral routing
- Power-management options: multiple sleep modes, brown-out detector
- Debug and programming: in-system programming with SWD/JTAG
- Reliability features: watchdog timer, reset options
- Package/availability: MNR variant (tape-and-reel options) for production use
Note: Exact memory sizes, peripherals count, and feature details vary by exact device revision; please consult the official datasheet for precise specifications.

- Pin count: 100 pins (MNR package)
- Function: 32-bit ARM Cortex-M4F microcontroller (ATSAM4SD32BB) from the SAM4SD family, with on-chip flash and RAM and a variety of peripherals for embedded control applications.

Manufacturer: Microchip Technology Inc. (the Atmel brand, now part of Microchip).
What kind of company: A US-based multinational semiconductor company that designs and manufactures microcontrollers, memory, and other embedded processing and semiconductor solutions.

Key application areas for ATSAM4SD32BB-MNR:
- Industrial automation and motor control
- Power metering, energy management and utility sensors
- Building automation (HVAC, lighting, security)
- Instrumentation, data acquisition and test equipment
- Medical devices and healthcare instrumentation
- Automotive body electronics
- Consumer electronics, audio processing and smart devices
- IoT edge devices, gateways and sensor hubs

100-pin LQFP (Plastic Quad Flat Pack) package.