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C8051F321-GM
+BOMIC MCU 8BIT 16KB FLASH 28MLP
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ManufacturerSilicon Labs
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Mfr. Part #C8051F321-GM
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Datasheet C8051F321-GM DataSheet
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Package VFQFN-28
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In Stock5335
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Specifications
| Attribute | Value |
| Package / Case | Tube |
| Series | C8051F32x |
| Part Status | Not For New Designs |
| Core Processor | 8051 |
| Core Size | 8-Bit |
| Speed | 25MHz |
| Connectivity | SMBus (2-Wire/I²C), SPI, UART/USART, USB |
| Peripherals | Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT |
| Number of I/O | 21 |
| Program Memory Size | 16KB (16K x 8) |
| Program Memory Type | FLASH |
| RAM Size | 2.25K x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 3.6V |
| Data Converters | A/D 13x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
Overview
Description
Key features of the C8051F321-GM include:
1. High Speed: It can operate up to 25 MHz, providing fast processing capabilities.
2. Memory: It includes 16 kB of Flash memory and 1 kB of RAM, ensuring adequate storage for code and data.
3. Rich Peripherals: The microcontroller offers various peripherals such as UART, SPI, I2C, and a 10-bit ADC, which support diverse interfacing needs.
4. USB Connectivity: It features a full-speed USB controller, facilitating easy communication with other USB devices.
5. Low Power Consumption: Designed for power efficiency, it has low power modes ideal for battery-operated devices.
6. Small Package: Available in compact packages like QFN or MLP, it supports space-constrained designs.
This combination of features makes the C8051F321-GM suitable for applications in consumer electronics, industrial automation, and more.
Equivalent
1. Microchip's PIC18F14K50 - USB support and similar I/O capabilities.
2. NXP's LPC1343 - ARM Cortex-M3 with USB support.
3. STM32F042K6 from STMicroelectronics - ARM Cortex-M0 with USB.
4. Texas Instruments' MSP430F550x series - with USB connectivity.
These alternatives offer similar functionalities, though exact feature matches may vary.
Features
1. High-Speed 8051 Core: Operates up to 25 MHz with a pipelined architecture that enhances instruction throughput.
2. Memory: It includes 16 kB of flash memory with In-System Programming (ISP) support and 1280 bytes of RAM.
3. Integrated USB Controller: Full-speed USB 2.0 compliant, perfect for applications requiring USB connectivity.
4. On-Chip Debug: Provides a debug interface for development and troubleshooting.
5. I/O Options: Contains 15 digital I/O pins and flexible crossbar for peripheral assignments.
6. Analog Features: Includes a 10-bit ADC with a multiplexer for multiple inputs.
7. Timers and Serial Interfaces: Offers four 16-bit timers, a programmable counter array, UART, and SPI interfaces.
8. Power Management: Includes low power modes with a wide operating voltage range from 2.7V to 3.6V.
9. Temperature Range: Operates between -40°C to +85°C, suitable for various environmental conditions.
These features make it suitable for USB connectivity applications, data acquisition systems, and embedded control tasks.
Pinout
The microcontroller is based on the 8051 core and includes several integrated peripherals:
- USB Function Controller: Allows USB connectivity, enabling communication with other USB-compliant devices.
- 12-bit Analog-to-Digital Converter (ADC): Facilitates analog signal processing.
- On-chip Temperature Sensor: Useful for applications requiring temperature monitoring.
- Timers and PWM: Supports precise timing operations and control applications.
- UART, SPI, and SMBus/I2C Interfaces: Provide serial communication capabilities for various protocols.
Additionally, the C8051F321-GM includes a flash memory for program storage, a RAM for data storage, and several GPIO pins for interfacing with external devices. The device's architecture supports efficient operation and flexibility, making it suitable for applications in consumer electronics, industrial control, and USB peripherals.
Manufacturer
Application
1. Consumer Electronics: Devices like USB peripherals, data loggers, and portable gadgets.
2. Industrial Automation: Used in control systems and instrumentation where USB communication is needed.
3. Medical Devices: Suitable for equipment requiring precise control and data transfer.
4. Automotive: Applied in infotainment systems and diagnostic tools.
5. Communication Systems: Utilized in modems and networking devices for data interfacing.
Its features, such as an integrated USB controller and low power consumption, make it versatile for a range of embedded applications.