C8051T633-GM

Program Memory Type:	OTP
Base Part Number:	C8051T63
Supplier Device Package:	20-QFN (4x4)
Package / Case:	20-VFQFN Exposed Pad
Operating Temperature:	-40°C ~ 85°C (TA)
Oscillator Type:	Internal
Data Converters:	--
Voltage - Supply (Vcc/Vdd):	1.8 V ~ 3.6 V
RAM Size:	768 x 8
EEPROM Size:	--
Series:	C8051T63x
Program Memory Size:	4KB (4K x 8)
Number of I/O:	17
Peripherals:	POR, PWM, WDT
Connectivity:	SMBus (2-Wire/I²C), SPI, UART/USART
Speed:	25MHz
Core Size:	8-Bit
Core Processor:	8051
Part Status:	Not For New Designs
Packaging:	Tube

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C8051T633-GM application field and working principle

Embedded systems, due to their high performance, affordability and flexibility, are used in a wide range of applications. Among them, the C8051T633-GM microcontroller is one of the most popular devices in its class. This section will describe C8051T633-GM application field, its working principles and provide a real-world example using this device.

Application Field

The C8051T633-GM is a highly versatile 8-bit microcontroller from Silicon Laboratories. It is designed to meet the needs of a variety of embedded applications in industrial, automotive, and aerospace industries. It contains on-chip Flash memory for code execution and a JTAG feature for debugging and programming.The C8051T633-GM usually features features include timed interrupt controller, watchdog timer, two UARTs for serial communications and I2C interface for communication with external devices. This device is ideal for applications such as industrial automation, household appliance, point-of-sale systems, motor control, automotive and medical instruments.

Working Principle

The C8051T633-GM operates on 3.3V and 5V power sources. It includes a 2Kbytes RAM and 16K bytes Flash memory. Its architecture is based on an 8-bit RISC (Reduced Instruction Set Computing) microcontroller with a Harvard-style bus structure. The Flash and RAM are connected via an external bus to the CPU.The CPU core supports arithmetic, logic and bit manipulation operations. The internal memory is divided into program and data memory. The program memory holds the program and data memory contains the data and variables. The CPU contains special peripheral registers dedicated to certain specific tasks such as counter/timer control and serial communication. The on-chip timer/counter circuit in C8051T633-GM can be configured to work in two 8-bit or one 16-bit timer and can generate interrupts on overflow. It has an external bus for accessing external RAM or ROM. It provides an on-chip watchdog timer to monitor system activities and reset the microcontroller when required. It also features two UARTs for serial data communication, I2C interface for communication with external devices and SPI (Serial Peripheral Interface) as well.

Example

As an example, the C8051T633-GM microcontroller can be used in a control system for a heating system. The microcontroller can be used to control the timing and temperature of the heating system. The internal RAM can be used to store the required parameters, such as temperature and duration of the heating process. The timer/counter module can be used to control the duration of the heating process, while the I2C module can be used to communicate with external temperature sensors. The watchdog timer can be used to monitor the system activities and reset the microcontroller in case of malfunction. The UARTs can be used for transmission of data for further processing and control. The SPI can be used for communication with certain special components such as switches, knobs and other control elements.

Conclusion

The C8051T633-GM microcontroller is a highly versatile and affordable device suitable for a wide range of embedded applications. Its on-chip modules, such as timer/counter, watchdog timer, UARTs, and I2C, provide the flexibility and functions necessary for various types of control systems. This example has given an insight into the working principle and its application field of this popular device.

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