P89LPC9401FBD datasheet, PDF - EEWORLD Datasheet

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P89LPC9401FBD: Description8-bit microcontroller with accelerated two-clock 80C51 core 8 kB 3 V byte-erasable flash with 32 segment x 4 LCD driver; File Size225KB，59 Pages; ManufacturerPhilips Semiconductors (NXP Semiconductors N.V.); Websitehttps://www.nxp.com/

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P89LPC9401FBD Overview

8-bit microcontroller with accelerated two-clock 80C51 core 8 kB 3 V byte-erasable flash with 32 segment x 4 LCD driver

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P89LPC9401

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

8 kB 3 V byte-erasable ﬂash with 32 segment

4 LCD driver

Rev. 01 — 5 September 2005

Preliminary data sheet

1. General description

The P89LPC9401 is a multi-chip module consisting of a P89LPC931 single-chip

microcontroller combined with a PCF8576D universal LCD driver in a low-cost 64-pin

package. The LCD driver provides 32 segments and supports from 1 to 4 backplanes.

Display overhead is minimized by an on-chip display RAM with auto-increment

addressing.

2. Features

2.1 Principal features

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.

32 segment

4 backplane LCD controller supports from 1 to 4 backplanes.

Two analog comparators with selectable inputs and reference source.

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

overﬂow or to become a PWM output) and a 23-bit system timer that can also be used

as a Real-Time Clock (RTC).

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

detection, and automatic address detection; 400 kHz byte-wide I

C-bus

communication port and SPI communication port.

High-accuracy internal RC oscillator option allows operation without external oscillator

components. The RC oscillator option is selectable and ﬁne tunable.

2.4 V to 3.6 V V

operating range. I/O pins are 5 V tolerant (may be pulled up or

driven to 5.5 V).

64-pin LQFP package with 20 microcontroller I/O pins minimum and up to 23

microcontroller I/O pins while using on-chip oscillator and reset options.

Serial ﬂash In-Circuit Programming (ICP) allows simple production coding with

commercial EPROM programmers. Flash security bits prevent reading of sensitive

application programs.

2.2 Additional features

A high performance 80C51 CPU provides instruction cycle times of 111 ns to 222 ns

for all instructions except multiply and divide when executing at 18 MHz. This is six

times the performance of the standard 80C51 running at the same clock frequency. A

lower clock frequency for the same performance results in power savings and reduced

EMI.

P89LPC9401FBD Related Products

	P89LPC9401FBD	P89LPC9401
Description	8-bit microcontroller with accelerated two-clock 80C51 core 8 kB 3 V byte-erasable flash with 32 segment x 4 LCD driver	8-bit microcontroller with accelerated two-clock 80C51 core 8 kB 3 V byte-erasable flash with 32 segment x 4 LCD driver

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