LP80C52 - (LP80Cxx) CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER

Intel Corporation에서 제조한 전자 부품 LP80C52은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.

LP80C52의 기능 및 특징 중 하나는 "(LP80Cxx) CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER" 입니다.

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LP80C52 기능

(LP80Cxx) CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER

Intel Corporation

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8XC52 54 58 CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER Commercial Express 87C52 80C52 80C32 87C54 80C54 87C58 80C58 See Table 1 for Proliferation Options Y High Performance CHMOS EPROM ROM CPU 12 24 33 MHz Operations Three 16-Bit Timer Counters Programmable Clock Out 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 Y Y 6 Interrupt Sources Programmable Serial Channel with Framing Error Detection Automatic Address Recognition TTL and CMOS Compatible Logic Levels 64K External Prog

Contents of page 4 out of 23 pages :

8XC52 54 58 www.DataSheet4U.com PIN DESCRIPTIONS VCC Supply voltage VSS Circuit ground VSS1 Secondary ground (not on DIP) Provided to reduce ground bounce and improve power supply by-passing NOTE This pin is not a substitute for the VSS pin (pin 22) (Connection not necessary for proper operation ) Port 0 Port 0 is an 8-bit open drain bidirectional I O port As an output port each pin can sink several LS TTL inputs Port 0 pins that have 1’s written to them float and in that state can be used as high-im- pedance inputs Port 0 is also the multiplexed low-order address and data bus during accesses to external Program and Data Memory In this application it uses strong inter- nal pullups when emitting 1’s and can source and sink several LS TTL inputs Port 0 also receives the code bytes during EPROM programming and outputs the code bytes during program verification External pullup resistors are re- quired during program verification Port 1 Port 1 is an 8-bit bidirectional I O port with internal pullups The Port 1 output buffers can drive LS TTL inputs Port 1 pins that have 1’s written to them are pulled high by the internal pullups and in that state can be used as inputs As inputs Port 1 pins that are externally pulled low will source current (IIL on the data sheet) because of the

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부품번호	상세설명 및 기능	제조사
LP80C51FA	(LP80C51FA / LP83C51FA) EVENT-CONTROL CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER	Intel Corporation
LP80C52	(LP80Cxx) CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER	Intel Corporation

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