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LPC5410X датащи(PDF) 76 Page - NXP Semiconductors |
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LPC5410X датащи(HTML) 76 Page - NXP Semiconductors |
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76 / 95 page ![]() LPC5410x All information provided in this document is subject to legal disclaimers. © NXP B.V. 2019. All rights reserved. Product data sheet Rev. 2.11 — 19 September 2019 76 of 95 NXP Semiconductors LPC5410x 32-bit ARM Cortex-M4/M0+ microcontroller 13.2 Standard I/O pin configuration Figure 27 shows the possible pin modes for standard I/O pins: • Digital output driver: with configurable open-drain output. • Digital input: pull-up resistor (PMOS device) enabled/disabled. • Digital input: pull-down resistor (NMOS device) enabled/disabled. • Digital input: repeater mode enabled/disabled. • Digital input: programmable input digital filter and input inverter. • Analog input: selected through IOCON register. The default configuration for standard I/O pins is input with pull-up resistor enabled. The weak MOS devices provide a drive capability equivalent to pull-up and pull-down resistors. Fig 27. Standard I/O pin configuration aaa-017273 pin configured as digital output open-drain enable output enable data output pin configured as digital input pin configured as analog input digital input analog input enable input invert enable filter glitch filter PIN ESD ESD strong pull-up VDD VDD VDD strong pull-down pull-down enable pull-up enable weak pull-up repeater mode enable enable analog input weak pull-down |
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