ATSAM4S4BB-ANR

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ATSAM4S4BB-ANR is a 32-bit ARM Cortex-M4 microcontroller from Atmel Corporation, which is widely used in embedded applications. The AT91S4B-ANR offers all the features of an integrated microcontroller, making it ideal for cost-sensitive and security-critical applications.

Application Field

The ATSAM4S4BB-ANR is targeted for low-power, high-performance applications, such as medical device controllers, smart grid controllers, digital media controllers and other embedded applications. It offers a range of features that make it suitable for these applications, such as 32-bit ARM Cortex-M4 core, clock frequency up to 150Mhz, 16KB on-chip RAM, 128KB on-chip flash memory, temperature range -20°C to 70°C and high-throughput CAN bus controller.

The AT91S4B-ANR is also suitable for industrial applications. It features an on-chip 10/100 Ethernet MAC with support for 3-speed PHY, low-power sleep and deep-sleep state, and 10-bit analog-to-digital converter (ADC). The ability to access flash memory through serial peripheral interface (SPI) and two-wire serial interface (TWI) makes it well suited for industrial control systems where a high level of flexibility is desired.

Working Principle

The ATSAM4S4BB-ANR microcontroller uses the ARM Cortex-M4 processor architecture, which features a 5-stage pipeline and 32 registers. The architecture also supports multi-threading, memory protection and cache coherency. This allows for fast response times and efficient usage of the available processing power.

The AT91S4B-ANR has a 4kB instruction cache, 2kB data cache, 3-stage interrupt system and direct memory access (DMA). The on-chip RAM provides local storage for application data and instructions. The on-chip flash memory facilitates booting and data storage, including support for code security. The Ethernet PHY interface provides 10/100Mbps connectivity for data transmission and communication.

The AT91S4B-ANR also supports an on-chip 10-bit ADC and various serial peripheral interfaces, such as SPI and TWI, for connecting hardware peripherals. It also features an internal oscillator and several clock switching mechanisms, allowing the processor to operate at different frequencies and power levels.

The AT91S4B-ANR has low power consumption, high speed and robust features, making it ideal for powering cost-sensitive and security-critical embedded applications. It also offers a range of features that make it suitable for industrial control systems where a high level of flexibility is desired.

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