Overview
The C8051F340-GQR is a high-performance, 8-bit microcontroller from Silicon Labs, part of the C8051F34x family. This device features a pipelined 8051-compatible microcontroller core, capable of executing instructions at speeds of up to 48 MIPS. It is designed to support a wide range of applications requiring advanced analog and digital peripherals, along with full-speed USB capabilities. The microcontroller is housed in a 48-pin TQFP package and operates within a temperature range of –40 to +85 °C, making it suitable for various industrial and consumer electronics applications.
Key Specifications
| Parameter | Specification |
|---|---|
| MCU Core | 8051 |
| Maximum Clock Speed | 50 MHz |
| Flash Memory | 64 kB |
| RAM | 4.25 kB |
| External Memory Interface (EMIF) | 1 |
| I2C | 1 |
| SPI | 1 |
| UART | 2 |
| USB | Yes, full-speed (12 Mbps) and low-speed (1.5 Mbps) |
| Digital I/O Pins | 40 |
| ADC | 10-bit, 20 channels, 200 ksps |
| DAC | — |
| Comparators | 2 |
| PCA Channels | 5 |
| Timers | 4 |
| Package Type | QFP48 |
| Package Size (mm) | 7x7 |
| Voltage Supply Input | 2.7 to 5.25 V |
Key Features
- Pipelined 8051-Compatible Core: Executes 70% of instructions in 1 or 2 system clocks, achieving up to 48 MIPS.
- Full-Speed USB: Compliant with USB 2.0, supports full-speed (12 Mbps) and low-speed (1.5 Mbps) operation without requiring an external crystal.
- Analog Peripherals: Includes a 10-bit, 20-channel ADC with up to 200 ksps conversion rate, two comparators, and an internal voltage reference.
- Digital Peripherals: Features hardware-enhanced SPI, SMBus, two enhanced UART serial ports, four 16-bit counter/timers, and a 16-bit programmable counter array (PCA) with five capture/compare modules.
- On-Chip Debug: Supports full-speed, non-intrusive in-system debug without the need for an emulator.
- Power Management: Includes an on-chip voltage regulator and brown-out detector and POR circuitry.
Applications
- Industrial Automation: Suitable for control systems, sensors, and actuators due to its robust analog and digital capabilities.
- Consumer Electronics: Ideal for devices requiring USB connectivity, such as peripherals, gaming controllers, and other consumer products.
- Medical Devices: Can be used in medical devices that require precise analog measurements and reliable digital control.
- Automotive Systems: Applicable in automotive systems for control and monitoring functions.
- IoT Devices: Suitable for Internet of Things (IoT) applications that need a balance of analog and digital processing with USB connectivity.
Q & A
- What is the maximum clock speed of the C8051F340-GQR?
The maximum clock speed is 50 MHz, achieving up to 48 MIPS.
- What type of USB support does the C8051F340-GQR offer?
The device supports full-speed (12 Mbps) and low-speed (1.5 Mbps) USB operation.
- How many channels does the ADC have, and what is its conversion rate?
The ADC has 20 channels and a conversion rate of up to 200 ksps.
- What is the package type and size of the C8051F340-GQR?
The package type is QFP48, and the package size is 7x7 mm.
- Does the C8051F340-GQR support on-chip debug?
Yes, it supports full-speed, non-intrusive in-system debug without an emulator.
- What is the voltage supply input range for the C8051F340-GQR?
The voltage supply input range is 2.7 to 5.25 V.
- How many digital I/O pins does the C8051F340-GQR have?
The device has 40 digital I/O pins.
- What are the key analog peripherals included in the C8051F340-GQR?
The key analog peripherals include a 10-bit ADC, two comparators, and an internal voltage reference.
- Can the C8051F340-GQR be used in industrial automation applications?
Yes, it is suitable for industrial automation due to its robust analog and digital capabilities.
- What is the temperature range for the C8051F340-GQR?
The temperature range is –40 to +85 °C.
