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P87C528EBBB Datasheet(PDF) 2 Page - NXP Semiconductors |
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P87C528EBBB Datasheet(HTML) 2 Page - NXP Semiconductors |
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2 / 26 page  Philips Semiconductors Product specification 87C524/87C528 80C51 8-bit microcontrollers 16K/32K, 512 OTP, I2C, watchdog timer 2 1999 Jul 23 853-1687 22041 DESCRIPTION The 87C528 single-chip 8-bit microcontroller is manufactured in an advanced CMOS process and is a derivative of the 80C51 microcontroller family. The 87C528 has the same instruction set as the 80C51. Three versions of the derivative exist: • 83C528—32k bytes ROM • 83C524—16k bytes ROM • 80C528—ROMless version of the 83C528 • 87C528—32k bytes EPROM • 83C524—16k bytes EPROM This device provides architectural enhancements that make it applicable in a variety of applications in consumer, telecom and general control systems, especially in those systems which need large ROM and RAM capacity on-chip. The 87C528 contains a 32k × 8 EPROM and the 87C524 contains a 16k x 8 EPROM. Both devices have a 512 × 8 RAM, four 8-bit I/O ports, two 16-bit timer/event counters (identical to the timers of the 80C51), a 16-bit timer (identical to the timer 2 of the 80C52), a watchdog timer with a separate oscillator, a multi-source, two-priority-level, nested interrupt structure, two serial interfaces (UART and I2C-bus), and on-chip oscillator and timing circuits. In addition, the 87C524/87C528 has two software selectable modes of power reduction—idle mode and power-down mode. The idle mode freezes the CPU while allowing the RAM, timers, 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. FEATURES • 80C51 instruction set – 512 × 8 RAM – Memory addressing capability 64k ROM and 64k RAM – Three 16-bit counter/timers – On-chip watchdog timer with oscillator – Full duplex UART – I2C serial interface • Power control modes: – Idle mode – Power-down mode – Warm start from power-down • CMOS and TTL compatible • Extended temperature ranges • EPROM code protection • OTP package available • 16 MHz speed at V CC = 5 V ORDERING INFORMATION EPROM TEMPERATURE oC RANGE AND PACKAGE FREQ (MHz) Drawing Number P87C528EBP N 0 to +70, Plastic Dual In-line Package 16 SOT129-1 P87C528EBA A 0 to +70, Plastic Leaded Chip Carrier 16 SOT187-2 P87C528EBB B 0 to +70, Plastic Quad Flat Pack 16 SOT307-2 P87C528EFP N –40 to +85, Plastic Dual In-line Package 16 SOT129-1 P87C528EFB B –40 to +85, Plastic Quad Flat Pack 16 SOT307-2 P87C524EBA A 0 to +70, Plastic Leaded Chip Carrier 16 SOT187-2 P87C524EBB B 0 to +70, Plastic Quad Flat Pack 16 SOT307-2 NOTE: 1. For ROM & ROMless devices, see data sheet P8X524/528. |
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