High-performance, 8-bit microcontroller with 32KB flash. It retains all features of the 80C52 with 256 Bytes of internal RAM, a 9-source 4-level interrupt controller, and three timer/counters.
It features a programmable counter array, an XRAM of 1024 bytes, hardware watchdog timer, keyboard interface, SPI interface, versatile serial channel that facilitates multiprocessor communication (EUART), and a speed improvement mechanism (X2 mode).
We recommend implementing an external brown-out to prevent any flash/EEPROM corruption during power-on or power-off.
Feature
• Compatible with MCS
®
-51 Products
• 32K Bytes of Reprogrammable Flash Memory
• Endurance: 1000 Write/Erase Cycles
• 4V to 5.5V Operating Range
• Fully Static Operation: 0 Hz to 33 MHz
• Three-level Program Memory Lock
• 512 x 8-bit Internal RAM
• 32 Programmable I/O Lines
• Three 16-bit Timer/Counters
• Eight Interrupt Sources
• Programmable Serial Channel
• Low-power Idle and Power-down Modes
• Interrupt Recovery from Power-down Mode
• Hardware Watchdog Timer
• Dual Data Pointer
• Power-off Flag
• Green (Pb/Halide-free) Packaging Option
