P80C51FA-5A

80C51 8-bit microcontroller family 8K–64K/256–1K OTP/ROM/ROMless, low voltage (2.7V–5.5V), low power, high speed (33 MHz)

 • 80C51 Central Processing Unit • Speed up to 33 MHz • Full static operation • Operating voltage range: 2.7 V to 5.5 V @ 16 MHz • Security bits: – ROM – 2 bits – OTP–EPROM – 3 bits • Encryption array – 64 bytes • RAM expandable to 64K bytes • 4 level priority interrupt • 6 or7 interrupt sources, depending on device • Four 8-bit I/O ports • Full-duplex enhanced UART – Framing error detection – Automatic address recognition • Power control modes – Clock can be stopped and resumed – Idle mode – Power down mode • Programmable clock out • Second DPTR register • Asynchronous port reset • Low EMI (inhibit ALE)