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IC89C51A-40PQ Datasheet(PDF) 1 Page - Integrated Circuit Solution Inc |
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IC89C51A-40PQ Datasheet(HTML) 1 Page - Integrated Circuit Solution Inc |
1 / 22 page IC89C52(51)A Integrated CircuitSolution Inc. 1 MC008-0C 11/27/2001 ICSI reserves the right to make changes to its products at any time without notice in order to improve design and supply the best possible product. We assume no responsibility for any errors which may appear in this publication. © Copyright 2000, Integrated Circuit Solution Inc. CMOS SINGLE CHIP 8-BIT MICROCONTROLLER with 8(4)-Kbytes of FLASH FEATURES • 80C52(51) based architecture • 8(4)-Kbytes Flash memory with fast-pulse programming algorithm and software protection • 256 x 8 RAM (128x8 RAM) • Three (Two)16-bit Timer/Counters • Full duplex serial channel • Boolean processor • Four 8-bit I/O ports, 32 I/O lines • Memory addressing capability – 64K ROM and 64K RAM • Program memory lock – Lock bits (3) • Power save modes: – Idle and power-down • Eight interrupt sources • Most instructions execute in 0.3 µs • CMOS and TTL compatible • Maximum speed: 40 MHz @ Vcc = 5V • Packages available: – 40-pin DIP – 44-pin PLCC – 44-pin PQFP GENERAL DESCRIPTION The ICSI IC89C52(51)A is a high-performance micro- controller fabricated with high-density CMOS technology. The CMOS IC89C52A is functionally compatible with the NMOS Intel 8052(51), Philips’ 80C52(51) micro controller. The IC89C52(51)A contains a 8K (4K) x 8 Flash; a 256 x 8 RAM (128 x 8 RAM); 32 I/O lines for either multi- processor communications; I/O expansion or full duplex UART; three (two) 16-bit timers/counters; a six-source (five-source), two-priority-level, nested interrupt structure; and on chip oscillator and clock circuit. The IC89C52(51) A can be expanded using standard TTL compatible memory. Figure 1. IC89C52(51)A Pin Configuration: 40-pin DIP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 T2/P1.0 T2EX/P1.1 P1.2 P1.3 P1.4 P1.5 P1.6 P1.7 RST RxD/P3.0 TxD/P3.1 INT0/P3.2 INT1/P3.3 T0/P3.4 T1/P3.5 WR/P3.6 RD/P3.7 XTAL2 XTAL1 GND VCC P0.0/AD0 P0.1/AD1 P0.2/AD2 P0.3/AD3 P0.4/AD4 P0.5/AD5 P0.6/AD6 P0.7/AD7 EA/VPP ALE/PROG PSEN P2.7/A15 P2.6/A14 P2.5/A13 P2.4/A12 P2.3/A11 P2.2/A10 P2.1/A9 P2.0/A8 |
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