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P89LPC930 датащи(PDF) 1 Page - NXP Semiconductors |
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P89LPC930 датащи(HTML) 1 Page - NXP Semiconductors |
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1 / 55 page ![]() P89LPC930/931 8-bit microcontrollers with two-clock 80C51 core 4 kB/8 kB 3 V Flash with 256-byte data RAM Rev. 05 — 15 December 2004 Product data 1. General description The P89LPC930/931 are single-chip microcontrollers designed for applications demanding high-integration, low cost solutions over a wide range of performance requirements. The P89LPC930/931 is 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 P89LPC930/931 in order to reduce component count, board space, and system cost. 2. Features s 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 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 4 kB/8 kB Flash code memory with 1 kB sectors, and 64-byte page size. s Byte-erase allowing code memory to be used for data storage. s Flash program operation completes in 2 ms. s Flash erase operation completes in 2 ms. s 256-byte RAM data memory. 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 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 time-out time 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. |
Аналогичный номер детали - P89LPC930 |
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Аналогичное описание - P89LPC930 |
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