P89LPC971FDH datasheet(1/66 Pages) NXP

Part #	P89LPC971FDH

Description	8-bit microcontroller with accelerated two-clock 80C51 core 2 kB/4 kB/8 kB wide-voltage byte-erasable flash

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Manufacturer	NXP [NXP Semiconductors]

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1.

General description

The P89LPC970/971/972 is a single-chip microcontroller, available in low cost packages,

based on a high performance processor architecture that executes instructions in two to

four clocks, six times the rate of standard 80C51 devices. Many system-level functions

have been incorporated into the P89LPC970/971/972 in order to reduce component

count, board space, and system cost.

2.

Features and benefits

2.1 Principal features

2 kB/4 kB/8 kB byte-erasable flash code memory organized into 1 kB sectors and

64-byte pages. Single-byte erasing allows any byte(s) to be used as non-volatile data

storage.

256-byte RAM data memory.

Two analog comparators with selectable inputs and reference source.

Five 16-bit counter/timers (each may be configured to toggle a port output upon timer

overflow or to become a PWM output).

A 23-bit system timer that can also be used as real-time clock consisting of a 7-bit

prescaler and a programmable and readable 16-bit timer.

Enhanced UART with a fractional baud rate generator, break detect, framing error

detection, and automatic address detection; 400 kHz byte-wide I2C-bus

communication port.

SPI communication port (pin remap).

High-accuracy internal RC oscillator option 7.373 MHz calibrated to

±1 %, with clock

doubler option, allows operation without external oscillator components. The RC

oscillator option is selectable and fine tunable.

Watchdog timer with separate on-chip oscillator, nominal 400 kHz/25 kHz, calibrated to

±10 % at 400 kHz, requiring no external components. The watchdog prescaler is

selectable from eight values.

Pin remap for UART, I2C-bus and SPI.

2.4 V to 5.5 V VDD operating range.

Enhanced low voltage (brownout) detect allows a graceful system shutdown when

power fails.

20-pin TSSOP and DIP packages with 15 I/O pins minimum and up to 18 I/O pins

while using on-chip oscillator and reset options.

P89LPC970/971/972

8-bit microcontroller with accelerated two-clock 80C51 core

2 kB/4 kB/8 kB wide-voltage byte-erasable flash

Rev. 02 — 27 April 2010

Product data sheet

Similar Part No. - P89LPC971FDH

Manufacturer	Part #	Datasheet	Description
NXP Semiconductors	P89LPC971FDH	427Kb / 67P	8-bit microcontroller with accelerated two-clock 80C51 core 2 kB/4 kB/8 kB wide-voltage byte-erasable flash Rev. 3-8 June 2010
NXP Semiconductors	P89LPC971FDH129	427Kb / 67P	8-bit microcontroller with accelerated two-clock 80C51 core 2 kB/4 kB/8 kB wide-voltage byte-erasable flash Rev. 3-8 June 2010

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Similar Description - P89LPC971FDH

Manufacturer	Part #	Datasheet	Description
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