P87C51FB-4A

8-bit CMOS (low voltage, low power and high speed) microcontroller families

DESCRIPTION ThreedifferentSingle-Chip8-BitMicrocontrollerfamiliesarepresentedinthisdatasheet: •80C32/8XC52/8XC54/8XC58 •80C51FA/8XC51FA/8XC51FB/8XC51FC •80C51RA+/8XC51RA+/8XC51RB+/8XC51RC+/8XC51RD+ Forapplicationsrequiring4KROM/EPROM,seethe8XC51/80C318-bit

PHI

P87C51FB-4A

80C51 8-bit microcontroller family 8K-4K/256-1K OTP/ROM/ROMless, low voltage (2.7V-5.5V), low power, high speed (33 MHz)

DESCRIPTION ThreedifferentSingle-Chip8-BitMicrocontrollerfamiliesarepresentedinthisdatasheet: •80C32/8XC52/8XC54/8XC58 •80C51FA/8XC51FA/8XC51FB/8XC51FC •80C51RA+/8XC51RA+/8XC51RB+/8XC51RC+/8XC51RD+ Forapplicationsrequiring4KROM/EPROM,seethe8XC51/80C318-bit

PHI

P87C51FB-4A

80C51 8-bit microcontroller family; 80C51 Central Processing Unit\nSpeed up to 33 MHz\nFull static operation\nOperating voltage range: 2.7 V to 5.5 V @ 16 MHz\nSecurity bits: ROM - 2 bits\nOTP-EPROM - 3 bits\n\nEncryption array - 64 bytes\nRAM expandable to 64K bytes\n4 level priority interrupt\n6 or7 interrupt sources, depending on device\nFour 8-bit I/O ports\nFull-duplex enhanced UART Framing error detection\nAutomatic address recognition\n\nPower control modes Clock can be stopped and resumed\nIdle mode\nPower down mode\n\nProgrammable clock out\nSecond DPTR register\nAsynchronous port reset\nLow EMI (inhibit ALE)\n;

Overview Three different Single-Chip 8-Bit Microcontroller families are presented in this datasheet:\n8XC54/8XC58\n80C51FA/8XC51FA/8XC51FB/8XC51FC\n80C51RA+/8XC51RA+/8XC51RB+/8XC51RC+/8XC51RD+\nFor applications requiring 4K ROM/EPROM, see the 8XC51/80C31 8-bit CMOS (low voltage, low power, and high speed) microcontroller families datasheet.\nAll the families are Single-Chip 8-Bit Microcontrollers manufactured in advanced CMOS process and are derivatives of the 80C51 microcontroller family. All the devices have the same instruction set as the 80C51.\nThese devices provide architectural enhancements that make them applicable in a variety of applications for general control systems.\nThe ROMless devices, 80C51FA, and 80C51RA+ can address up to 64K of external memory. All the devices have four 8-bit I/O ports, three 16-bit timer/event counters, a multi-source, four-priority-level, nested interrupt structure, an enhanced UART and on-chip oscillator and timing circuits. For systems that require extra memory capability up to 64k bytes, each can be expanded using standard TTL-compatible memories and logic.\nIts 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. It also has a more versatile serial channel that facilitates multiprocessor communications.\n

恩XP

P87C51FB-4B

8-bit CMOS (low voltage, low power and high speed) microcontroller families

DESCRIPTION ThreedifferentSingle-Chip8-BitMicrocontrollerfamiliesarepresentedinthisdatasheet: •80C32/8XC52/8XC54/8XC58 •80C51FA/8XC51FA/8XC51FB/8XC51FC •80C51RA+/8XC51RA+/8XC51RB+/8XC51RC+/8XC51RD+ Forapplicationsrequiring4KROM/EPROM,seethe8XC51/80C318-bit

PHI

P87C51FB-4B

80C51 8-bit microcontroller family 8K-4K/256-1K OTP/ROM/ROMless, low voltage (2.7V-5.5V), low power, high speed (33 MHz)

DESCRIPTION ThreedifferentSingle-Chip8-BitMicrocontrollerfamiliesarepresentedinthisdatasheet: •80C32/8XC52/8XC54/8XC58 •80C51FA/8XC51FA/8XC51FB/8XC51FC •80C51RA+/8XC51RA+/8XC51RB+/8XC51RC+/8XC51RD+ Forapplicationsrequiring4KROM/EPROM,seethe8XC51/80C318-bit

PHI

P87C51FB-4N

8-bit CMOS (low voltage, low power and high speed) microcontroller families

DESCRIPTION ThreedifferentSingle-Chip8-BitMicrocontrollerfamiliesarepresentedinthisdatasheet: •80C32/8XC52/8XC54/8XC58 •80C51FA/8XC51FA/8XC51FB/8XC51FC •80C51RA+/8XC51RA+/8XC51RB+/8XC51RC+/8XC51RD+ Forapplicationsrequiring4KROM/EPROM,seethe8XC51/80C318-bit

PHI

P87C51FB-4N

80C51 8-bit microcontroller family 8K-4K/256-1K OTP/ROM/ROMless, low voltage (2.7V-5.5V), low power, high speed (33 MHz)

DESCRIPTION ThreedifferentSingle-Chip8-BitMicrocontrollerfamiliesarepresentedinthisdatasheet: •80C32/8XC52/8XC54/8XC58 •80C51FA/8XC51FA/8XC51FB/8XC51FC •80C51RA+/8XC51RA+/8XC51RB+/8XC51RC+/8XC51RD+ Forapplicationsrequiring4KROM/EPROM,seethe8XC51/80C318-bit

PHI