Maximum Clock Frequency: Up to 16 MHz (some later variants up to 33 MHz)
Program Memory:
80C51FA: ROM-less version
External program memory support up to 64 KB
Data Memory:
256 Bytes Internal RAM
Up to 64 KB External Data Memory
I/O Ports:
32 Programmable I/O Lines
Four 8-bit Ports (P0–P3)
Timers/Counters:
Three 16-bit Timers/Counters
Timer 2 supports Up/Down counting
Programmable Counter Array (PCA):
High-Speed Output Compare
Capture Functions
Pulse Width Modulation (PWM)
Watchdog Timer Capability
Serial Interface:
Full-Duplex UART
Automatic Address Recognition
Framing Error Detection
Interrupt System:
7 Interrupt Sources
4 Priority Levels
Supply Voltage:
2.7 V to 5.5 V (CMOS versions)
Typical 5 V operation
Power Management:
Idle Mode
Power-Down Mode
Full Static Operation
Package Type:
N = PDIP (Plastic Dual In-Line Package)
40 Pins
Operating Temperature:
Commercial: 0°C to +70°C
Automotive versions: -40°C to +125°C
Additional Information
Device
IC
Unlock innovation with the 80C51FA N microcontroller, a versatile 8-bit solution from the MCS-51 family. With a maximum clock frequency of 16 MHz and support for up to 64 KB of external program memory, this reliable component is perfect for projects requiring efficient performance and power management. Ideal for both commercial and automotive applications, it features multiple I/O ports and robust timers, making it your go-to choice for embedded systems.