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P89LPC9301 fiches techniques PDF

NXP Semiconductors - 8-bit Microcontroller

Numéro de référence P89LPC9301
Description 8-bit Microcontroller
Fabricant NXP Semiconductors 
Logo NXP Semiconductors 





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P89LPC9301 fiche technique
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P89LPC9301/931A1
8-bit microcontroller with accelerated two-clock 80C51 core
4 kB/8 kB 3 V byte-erasable flash
Rev. 01 — 9 April 2009
Preliminary data sheet
1. General description
The P89LPC9301/931A1 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 P89LPC9301/931A1 in order to reduce component count,
board space, and system cost.
2. Features
2.1 Principal features
I 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.
I 256-byte RAM data memory.
I Two analog comparators with selectable inputs and reference source.
I Two 16-bit counter/timers (each may be configured to toggle a port output upon timer
overflow or to become a PWM output).
I 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.
I 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 and SPI communication port.
I 2.4 V to 3.6 V VDD operating range. I/O pins are 5 V tolerant (may be pulled up or
driven to 5.5 V).
I Enhanced low voltage (brownout) detect allows a graceful system shutdown when
power fails.
I 28-pin TSSOP and PLCC packages with 23 I/O pins minimum and up to 26 I/O pins
while using on-chip oscillator and reset options.
2.2 Additional features
I 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.
I Serial flash 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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