Renesas Microcontroller
Renesas is latest automotive microcontroller family that offers high performance feature with exceptionally low power consumption over a wide and versatile extend of items. This microcontroller offers rich functional security and embedded safety characteristics required for new and advanced automotive applications. The core structure of microcontroller CPU support high reliability and high performance requirements.
The Renesas microcontroller offering low power, high performance, modest packages and the largest range of memory sizes combined together with characteristics rich peripherals.
Renesas offers the most versatile microcontroller families in the world for example our RX family offers a many types devices with memory variants from 32K flash/4K RAM to an incredible 8M flash/512K RAM.
The RX Family of 32-bit microcontrollers is a feature rich, general purpose MCU covering a wide range of embedded control applications with high speed connectivity, digital signal processing and inverter control.
The RX microcontroller family uses a 32-bit enhanced Harvard CISC architecture to achieve very high performance.
Pin Description:
Pin arrangement of Renesas microcontroller is shown in figure:
It is a 20 pin microcontroller. The pin 9 is Vss, ground pin and Vdd, power supply pin. It has three different kinds of interrupt, which are normal interrupt, fast interrupt, high speed interrupt.
Normal interrupts store the significant registers on stack by using push and pop instructions. The fast interrupts are automatically store program counter and processor status word in special backup registers, so response time is faster. And high speed interrupts allocate up to four of the general registers for dedicated use by the interrupt to expand speed even further. The internal bus structure gives 5 internal busses to ensure data handling is not slowed down. Instruction fetches occur via a wide 64-bit bus, so that due to the variable length instructions used in CISC architectures.
Features and Benefits of the RX Microcontrollers
· Low power consumption is realized using multi-core technology
· Support for 5V operation for industrial and appliance designs
· Scalability from 48 to 145 pins and from 32KB to 1MB flash memory, with 8KB of data flash memory included
· Integrated safety feature
· An integrated rich function set of 7 UART, I2C, 8 SPI, comparators, 12-bit ADC, 10-bit DAC and 24-bit ADC (RX21A), which will reduce system cost by integrating most functions
Application of Renesas Microcontroller:
· Industrial automation
· Communication applications
· Motor control applications
· Test and measurement
· Medical applications
Source Credit: Wikipedia
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