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The Intel 87C51FA/8XC51FB/8XC51FC is a single-chip control oriented microcontroller which is fabricated on Intel’s reliable CHMOS III-E technology. The Intel 83C51FA/80C51FA is fabricated on CHMOS III technology. Being a member of the MCSé 51 controller family, the 8XC51FA/8XC51FB/8XC51FC uses the same powerful instruction set, has the same architecture, and is pin-for-pin compatible with the existing MCS 51 controller products. The 8XC51FA/8XC51FB/8XC51FC is an enhanced version of the 8XC52/8XC54/8XC58. Its added features make it an even more powerful microcontroller for applications that require Pulse Width Modulation, High Speed I/O and up/down counting capabilities such as motor control.

■ High Performance CHMOS EPROM/ROM/CPU

■ 12/24/33 MHz Operation

■ Three 16-Bit Timer/Counters

■ Programmable Counter Array with:

— High Speed Output,

— Compare/Capture,

— Pulse Width Modulator,

— Watchdog Timer Capabilities

■ Up/Down Timer/Counter

■ Three Level Program Lock System

■ 8K/16K/32K On-Chip Program Memory

■ 256 Bytes of On-Chip Data RAM

■ Improved Quick Pulse Programming Algorithm

■ Boolean Processor

■ 32 Programmable I/O Lines

■ 7 Interrupt Sources

■ Four Level Interrupt Priority

■ Programmable Serial Channel with:

— Framing Error Detection

— Automatic Address Recognition

■ TTL Compatible Logic Levels

■ 64K External Program Memory Space

■ 64K External Data Memory Space

■ MCSé 51 Controller Compatible Instruction Set

■ Power Saving Idle and Power Down Modes

■ ONCE (On-Circuit Emulation) Mode

■ Extended Temperature Range Except for 33 MHz Offering (b40§C to a85§C)