The STC11F04E is a microcontroller manufactured by STC Micro. Below are its key specifications, descriptions, and features:
Manufacturer:
- STC Micro (a Chinese microcontroller manufacturer specializing in 8051-compatible MCUs).
Specifications:
- Core: Enhanced 8051 (1T architecture, 12 times faster than traditional 8051).
- Operating Voltage: 3.3V – 5.5V.
- Flash Memory: 4KB (for program storage).
- SRAM: 256 bytes.
- EEPROM: None (some STC variants include EEPROM, but not this model).
- Clock Speed: Up to 35 MHz (internal RC oscillator or external crystal).
- GPIO Pins: 14 (varies by package).
- Timers: 2 × 16-bit timers (Timer0 & Timer1).
- UART: 1 × full-duplex UART.
- ADC: None (STC11F04E does not have an ADC).
- PWM: None (basic model lacks dedicated PWM).
- Interrupts: 4 interrupt sources (external, timer, UART).
- Watchdog Timer: Yes (built-in).
- Power Modes: Idle & Power-down modes for low power consumption.
- Package Options:
- DIP-20 (Dual In-line Package).
- SOP-20 (Small Outline Package).
Descriptions:
- The STC11F04E is a cost-effective, single-chip microcontroller based on the 8051 architecture.
- It is commonly used in simple control applications, such as home appliances, industrial automation, and basic embedded systems.
- Supports in-system programming (ISP) via UART for easy firmware updates.
Features:
- High-Speed 1T 8051 Core: Executes most instructions in 1 clock cycle.
- Wide Voltage Range: Operates from 3.3V to 5.5V.
- Internal RC Oscillator: Eliminates the need for an external crystal in some applications.
- Robust I/O Ports: Supports push-pull, open-drain, and quasi-bidirectional modes.
- Low EMI Design: Reduces electromagnetic interference.
- High Noise Immunity: Suitable for industrial environments.
- ISP (In-System Programming): Allows firmware updates without removing the chip.
Applications:
- Simple embedded control systems.
- Consumer electronics.
- LED displays.
- Basic automation devices.
This information is strictly factual, based on the manufacturer's datasheet and specifications.