Description
STC89C54RD-40I-PLCC44
The STC89C54RD-40I-PLCC44 is an 8051-based microcontroller from STC (Shenzhen STC Micro Technology Co., Ltd.). It is a high-performance, low-power 8-bit microcontroller with enhanced features compared to the standard 8051 architecture.
Key Specifications:
- Core: 8051-compatible
- Operating Voltage: 5V
- Clock Speed: Up to 40 MHz
- Flash Memory: 32 KB / 40 KB / 64 KB
- RAM: 1280 Bytes
- EEPROM: IAP (In-Application Programmable) EEPROM
- GPIO Ports: 4 bidirectional I/O ports (P0, P1, P2, P3)
- Timers: 3 x 16-bit timers/counters
- UART: 2 Serial Ports
- I²C & SPI: Software-emulated
- ADC: No built-in ADC
- PWM: Available
- Watchdog Timer (WDT): Yes
- Interrupts: 8 interrupt sources with 4 priority levels
- Operating Temperature Range: -40°C to +85°C
- Package Type: PLCC-44 (Plastic Leaded Chip Carrier 44)
- Power-Saving Modes: Idle & Power-down mode
Features:
- Fully compatible with the standard 8051 instruction set
- Supports In-System Programming (ISP) and In-Application Programming (IAP)
- Low-power operation with multiple power-saving modes
- PWM output for motor control and signal generation
- High-speed serial communication with two UART ports
- Extended RAM for better performance in complex applications
Applications:
- Industrial automation
- Consumer electronics
- Motor control
- Embedded systems
- Smart home devices
- Instrumentation and measurement systems
For more details, check the STC89C54RD Datasheet available on STC Micro’s official website.
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