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P89LPC9408 Datasheet

  • P89LPC9408

  • 8-bit microcontroller with two-clock 80C51 core 8 kB 3 V byt...

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  • PHILIPS

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P89LPC9408
8-bit microcontroller with two-clock 80C51 core 8 kB 3 V
byte-erasable 鏗俛sh, 32 segment
脳
4 LCD driver, 10-bit ADC
Rev. 01 鈥?16 December 2005
Product data sheet
1. General description
The P89LPC9408 is a multi-chip module consisting of a P89LPC938 single-chip
microcontroller combined with a PCF8576D universal LCD controller in a low-cost 64-pin
package. The LCD controller 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
s
8 kB byte-erasable 鏗俛sh 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.
s
256-byte RAM data memory.
s
512-byte customer Data EEPROM on chip allows serialization of devices, storage of
set-up parameters, etc.
s
32 segment
脳
4 backplane LCD controller supports from 1 to 4 backplanes.
s
8-input multiplexed 10-bit ADC. Two analog comparators with selectable inputs and
reference source.
s
Two 16-bit counter/timers (each may be con鏗乬ured to toggle a port output upon timer
over鏗俹w or to become a PWM output) and a 23-bit system timer that can also be used
as a Real-Time Clock (RTC).
s
Enhanced UART with fractional baud rate generator, break detect, framing error
detection, and automatic address detection; 400 kHz byte-wide I
2
C-bus
communication port and SPI communication port.
s
CCU provides PWM, input capture, and output compare functions.
s
High-accuracy internal RC oscillator option allows operation without external oscillator
components. The RC oscillator option is selectable and 鏗乶e tunable.
s
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.
2.2 Additional features
s
2.4 V to 3.6 V V
DD
operating range. I/O pins are 5 V tolerant (may be pulled up or
driven to 5.5 V).
s
Serial 鏗俛sh In-Circuit Programming (ICP) allows simple production coding with
commercial EPROM programmers. Flash security bits prevent reading of sensitive
application programs.

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