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P89LPC932FHN Datasheet

  • P89LPC932FHN

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

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  • PHILIPS

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P89LPC932
8-bit microcontroller with accelerated two-clock 80C51 core
8 kB Flash with 512-byte data EEPROM and 768-byte RAM
Rev. 04 鈥?06 January 2004
Product data
1. General description
The P89LPC932 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 P89LPC932 in order to reduce component
count, board space, and system cost.
2. Features
s
A high performance 80C51 CPU provides instruction cycle times of 167-333 ns for
all instructions except multiply and divide when executing at 12 MHz. This is
6 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.
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
8 kB Flash code memory with 1 kB erasable sectors, 64-byte erasable page size.
s
256-byte RAM data memory. 512-byte auxiliary on-chip RAM.
s
512-byte customer Data EEPROM on chip allows serialization of devices, storage
of set-up parameters, etc.
s
Two 16-bit counter/timers. Each timer may be con鏗乬ured to toggle a port output
upon timer over鏗俹w or to become a PWM output.
s
Real-Time clock that can also be used as a system timer.
s
Capture/Compare Unit (CCU) provides PWM, input capture, and output compare
functions.
s
Two analog comparators with selectable inputs and reference source.
s
Enhanced UART with fractional baud rate generator, break detect, framing error
detection, automatic address detection and versatile interrupt capabilities.
s
400 kHz byte-wide I
2
C-bus communication port.
s
SPI communication port.
s
Eight keypad interrupt inputs, plus two additional external interrupt inputs.
s
Four interrupt priority levels.
s
Watchdog timer with separate on-chip oscillator, requiring no external
components. The watchdog prescaler is selectable from 8 values.
s
Active-LOW reset. On-chip power-on reset allows operation without external reset
components. A reset counter and reset glitch suppression circuitry prevent
spurious and incomplete resets. A software reset function is also available.
s
Low voltage reset (Brownout detect) allows a graceful system shutdown when
power fails. May optionally be con鏗乬ured as an interrupt.

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