C8051F021-GQ

Program Memory Type:	FLASH
Base Part Number:	C8051F02
Supplier Device Package:	64-TQFP (10x10)
Package / Case:	64-TQFP
Operating Temperature:	-40°C ~ 85°C (TA)
Oscillator Type:	Internal
Data Converters:	A/D 8x8b, 8x12b; D/A 2x12b
Voltage - Supply (Vcc/Vdd):	2.7 V ~ 3.6 V
RAM Size:	4.25K x 8
EEPROM Size:	--
Series:	C8051F02x
Program Memory Size:	64KB (64K x 8)
Number of I/O:	32
Peripherals:	Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Connectivity:	EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART
Speed:	25MHz
Core Size:	8-Bit
Core Processor:	8051
Part Status:	Not For New Designs
Packaging:	Tray

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C8051F021-GQ Application Field and Working Principle

The C8051F021-GQ is an embedded microcontroller that provides a variety of general-purpose I/O peripherals, including 24 channels of high-current pulse width modulation (PWM), 8 channels of high accuracy analog-to-digital converter (ADC), and 4 channels of synchronous memory located on the device. The C8051F021-GQ has an integrated 8-bit on-chip network controller supporting various communication protocols such as I2C, SPI, and USB. In addition, the C8051F021-GQ has an integrated 32-bit timer, optional watchdog timer, and interrupt controller (IVR).The C8051F021-GQ is especially used in motion control applications, such as industrial automation, automotive, and robotics. The C8051F021-GQ interfaces with an extensive portfolio of peripheral components for controlling DC motors, stepper motors, servo motors, and other motion-control components. It can programatically select pulse width frequencies for generating PWM signals for driving such components as DC motors, stepper motors and servo motors.In its core, the C8051F021-GQ has an 8052-compatible core in an enhanced 8051 architecture with an improved instruction set. Its advanced instruction set includes more 8-bit arithmetic and logic operations, single-cycle multiple interrupts, real-time interrupts, address pointers, and the processor\'s program stack. Additionally, the C8051F021-GQ features on-chip resources to support motor control that are not found on other 8051-products, such as dual timers and an internal Voltage Comparator added with the system clock allows pulsed control, variable frequency outputs and more flexible motor control capabilities.The C8051F021-GQ features a robust and reliable power management. It has on-chip power supply and frequency synthesizers, and switch mode power supplies for supplying the voltage and power for the microcontroller and its components. The switch mode power supplies feature a shutdown capability that can provide a very low power consumption when idle, eliminating the need for power surface-mount devices (PSDs) and other power device circuitry.The C8051F021-GQ also provides voltage regulation and over-voltage protection. It uses a rail-to-rail input (variable) voltage regulator that can handle a wide input voltage range, providing efficient power for the microcontroller and its peripherals. In addition, the voltage-limiting devices on the C8051F021-GQ prevent over-voltage damage to the device and its components.Finally, the C8051F021-GQ features numerous on-chip debugging and programming options. The C8051F021-GQ includes an on-chip debugging function, and can be debugged using an external debug probe and debugger software from the Keil platform. Furthermore, the microcontroller can be programmed using programming adapters and a serial flash programming tool from Keil.In conclusion, the C8051F021-GQ is an embedded microcontroller designed for motion control applications. It has a powerful 8052-compatible core, integrated hardware debugging and programming features, an extensive portfolio of asynchronous, synchronous and communication peripherals, and advanced power management and voltage protection features. The C8051F021-GQ enables system designers to quickly design cost-effective and reliable embedded microcontroller solutions with superior system performance.

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