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LPC1786 Datasheet(PDF) 9 Page - NXP Semiconductors |
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LPC1786 Datasheet(HTML) 9 Page - NXP Semiconductors |
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9 / 120 page  LPC178X_7X All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved. Preliminary data sheet Rev. 4 — 1 May 2012 9 of 120 NXP Semiconductors LPC178x/7x 32-bit ARM Cortex-M3 microcontroller 6.2 Pin description I/O pins on the LPC178x/7x are 5 V tolerant and have input hysteresis unless otherwise indicated in the table below. Crystal pins, power pins, and reference voltage pins are not 5 V tolerant. In addition, when pins are selected to be ADC inputs, they are no longer 5 V tolerant and the input voltage must be limited to the voltage at the ADC positive reference pin (VREFP). All port pins Pn[m] are multiplexed, and the multiplexed functions appear in Table 3 in the order defined by the FUNC bits of the corresponding IOCON register up to the highest used function number. Each port pin can support up to eight multiplexed functions. IOCON register FUNC values which are reserved are noted as ‘R’ in the pin configuration table. Fig 4. Pin configuration (TFBGA180) Fig 5. Pin configuration (LQFP144) 002aaf519 LPC178x/7x 2 4 6 8 10 12 13 14 13579 11 ball A1 index area P N M L K J G E H F D C B A Transparent top view LPC178x/7x 108 73 1 36 002aaf520 |
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