P89LPC938FA,129 datasheet
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NXP Semiconductors
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8-bit microcontroller with accelerated two-clock 80C51 core 8 kB 3 V byte-erasable Flash with 10-bit A/D converter - ADCs: 8-ch 10-bit ADC ; Clock type: 2-clk ; External interrupt: 3 ; Function: 8-bit 80C51 uController ; I/O pins: 26 ; Memory size: 8KB kBits; Memory type: FLASH ; Number of pins: 28 ; Operating frequency: 0~18 MHz; Operating temperature: -40~85 Cel; Power supply: 2.4~3.6V ; Program security: yes ; PWMs: 4-ch CCU ; RAM: 768 bytes; Reset active: Low ; Serial interface: UART/I2C/SPI ; Series: LPC900 family ; Special features: 2 Anal. Comp., BOD, POR, 8 KBIs, Int. RC 7.373MHz +-2.5% ; System frequency: 0~18 MHz; Timers: 5 x 16-bit ; Watchdog timer: yes; Package: SOT261-2 (PLCC28)
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