STC89C54RD-40I-PLCC44

Description

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