P87C51X2BN

The P87C51X2BN is a versatile 8-bit microcontroller from the 80C51 family, offering a choice of ROM/OTP sizes ranging from 4K to 32K, and RAM sizes of 128B or 256B. Operating at a low voltage range of 2.7 to 5.5 V, this microcontroller is ideal for applications requiring low power consumption. With a high-speed clock of 30/33 MHz, the P87C51X2BN ensures rapid processing and efficient performance in various embedded systems

主な特長

• 80C51 Central Processing Unit
• – 4 kbytes ROM/EPROM (P80/P87C51X2)
• – 8 kbytes ROM/EPROM (P80/P87C52X2)
• – 16 kbytes ROM/EPROM (P80/P87C54X2)
• – 32 kbytes ROM/EPROM (P80/P87C58X2)
• – 128 byte RAM (P80/P87C51X2 and P80C31X2)
• – 256 byte RAM (P80/P87C52/54X2/58X2 and P80C32X2)
• – Boolean processor
• – Fully static operation
• – Low voltage (2.7 V to 5.5 V at 16 MHz) operation
• 12-clock operation with selectable 6-clock operation (via software or via parallel programmer)
• Memory addressing capability
• – Up to 64 kbytes ROM and 64 kbytes RAM
• Power control modes:
• – Clock can be stopped and resumed
• – Idle mode
• – Power-down mode
• CMOS and TTL compatible
• Two speed ranges at VCC = 5 V
• – 0 to 30 MHz with 6-clock operation
• – 0 to 33 MHz with 12-clock operation
• PLCC, DIP, TSSOP or LQFP packages
• Extended temperature ranges
• Dual Data Pointers
• Security bits:
• – ROM (2 bits)
• – OTP (3 bits)
• Encryption array - 64 bytes
• Four interrupt priority levels
• Six interrupt sources
• Four 8-bit I/O ports
• Full-duplex enhanced UART
• – Framing error detection
• – Automatic address recognition
• Three 16-bit timers/counters T0, T1 (standard 80C51) and additional T2 (capture and compare)
• Programmable clock-out pin
• Asynchronous port reset
• Low EMI (inhibit ALE, slew rate controlled outputs, and 6-clock mode)
• Wake-up from Power Down by an external interrupt.