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80C31

80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless low voltage 2.7V.5.5V, low power, high speed 33 MHz

DESCRIPTION ThePhilipsmicrocontrollersdescribedinthisdatasheetarehigh-performancestatic80C51designsincorporatingPhilips’high-densityCMOStechnologywithoperationfrom2.7Vto5.5V. Theysupportboth6-clockand12-clockoperation.The8xC31X2/51X2and8xC32X2/52X2/54X2/58X2co

PHI

80C31

CMOS single-chip 8-bit microcontrollers

DESCRIPTION ThePhilips8XC51/31isahigh-performancestatic80C51designfabricatedwithPhilipshigh-densityCMOStechnologywithoperationfrom2.7Vto5.5V. The8XC51/31containsa4k×8ROM,a128×8RAM,32I/Olines,three16-bitcounter/timers,asix-source,four-prioritylevelne

PHI

80C31

80C51 8-bit microcontroller family 128/256 byte RAM ROMless low voltage (2.7 V–5.5 V), low power, high speed (33 MHz)

DESCRIPTION ThePhilips80C31/32isahigh-performancestatic80C51design fabricatedwithPhilipshigh-densityCMOStechnologywithoperation from2.7Vto5.5V. The80C31/32ROMlessdevicescontaina128×8RAM/256×8 RAM,32I/Olines,three16-bitcounter/timers,asix-source, four-pr

ETC

80C31BH

CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER

MEMORYORGANIZATION PROGRAMMEMORY:Upto4Kbytesoftheprogrammemorycanresideon-chip(except80C31BH).Inadditionthedevicecanaddressupto64Kofprogrammemoryexternaltothechip. DATAMEMORY:Thismicrocontrollerhasa128x8on-chipRAM.Inadditionitcanaddressupto64Kb

80C31BH

CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER

MEMORYORGANIZATION PROGRAMMEMORY:Upto4Kbytesoftheprogrammemorycanresideon-chip(except80C31BH).Inadditionthedevicecanaddressupto64Kofprogrammemoryexternaltothechip. DATAMEMORY:Thismicrocontrollerhasa128x8on-chipRAM.Inadditionitcanaddressupto64Kb

80C31BH

CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER;

MEMORY ORGANIZATION\nPROGRAM MEMORY: Up to 4 Kbytes of the program memory can reside on-chip (except 80C31BH). In addition the device can address up to 64K of program memory external to the chip.\nDATA MEMORY: This microcontroller has a 128 x 8 on-chip RAM. In addition it can address up to 64 Kbytes of external data memory.\nThe Intel 87C51/80C51BH/80C31BH is a single-chip control-oriented microcontroller which is fabricated on Intel’s reliable CHMOS III-E technology. Being a member of the MCSé 51 controller family, the 87C51/80C51BH/80C31BH uses the same powerful instruction set, has the same architecture, and is pin-for pin compatible with the existing MCS 51 controller family of products.\nThe 80C51BHP is identical to the 80C51BH. When ordering the 80C51BHP, customers must submit the 64 byte encryption table together with the ROM code. Lock bit 1 will be set to enable the internal ROM code protection and at the same time allows code verification.\nThe extremely low operating power, along with the two reduced power modes, Idle and Power Down, make this part very suitable for low power applications. The Idle mode freezes the CPU while allowing the RAM, timer/counters, serial port and interrupt system to continue functioning. The Power Down mode saves the RAM contents but freezes the oscillator, causing all other chip functions to be inoperative.\nFor the remainder of this document, the 87C51, 80C51BH, and 80C31BH will be referred to as the 87C51/BH, unless information applies to a specific device.■ High Performance CHMOS EPROM\n■ 24 MHz Operation\n■ Improved Quick-Pulse Programming Algorithm\n■ 3-Level Program Memory Lock\n■ Boolean Processor\n■ 128-Byte Data RAM\n■ 32 Programmable I/O Lines\n■ Two 16-Bit Timer/Counters\n■ Extended Temperature Range (-40°C to +85°C)\n■ 5 Interrupt Sources\n■ Programmable Serial Port\n■ TTL- and CMOS-Compatible Logic Levels\n■ 64K External Program Memory Space\n■ 64K External Data Memory Space\n■ ONCE Mode Facilitates System Testing\n■ Power Control Modes\n?? — Idle\n?? — Power Down

80C31X

CMOS single-chip 8-bit microcontrollers

DESCRIPTION ThePhilips80C31/80C51/87C51isahigh-performancemicrocontrollerfabricatedwithPhilipshigh-densityCMOStechnology.TheCMOS8XC51isfunctionallycompatiblewiththeNMOS8031/8051microcontrollers.ThePhilipsCMOStechnologycombinesthehighspeedanddensitycharacteristi

PHI

80C31X2

80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP 128B/256B RAM low voltage 2.7 to 5.5 V, low power, high speed 30/33 MHz

DESCRIPTION ThePhilipsmicrocontrollersdescribedinthisdatasheetarehigh-performancestatic80C51designsincorporatingPhilips’high-densityCMOStechnologywithoperationfrom2.7Vto5.5V. Theysupportboth6-clockand12-clockoperation.The8xC31X2/51X2and8xC32X2/52X2/54X2/58X2co

PHI