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P89LPC932 датащи(PDF) 1 Page - NXP Semiconductors |
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P89LPC932 датащи(HTML) 1 Page - NXP Semiconductors |
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1 / 60 page ![]() P89LPC932 8-bit microcontroller with accelerated two-clock 80C51 core 8 kB Flash with 512-byte data EEPROM and 768-byte RAM Rev. 04 — 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 VDD 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 configured to toggle a port output upon timer overflow 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 I2C-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 configured as an interrupt. |
Аналогичный номер детали - P89LPC932 |
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Аналогичное описание - P89LPC932 |
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