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LPC1837FET256 Datasheet(PDF) 10 Page - NXP Semiconductors |
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LPC1837FET256 Datasheet(HTML) 10 Page - NXP Semiconductors |
10 / 147 page LPC185X_3X_2X_1X All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved. Preliminary data sheet Rev. 4 — 31 October 2012 10 of 147 NXP Semiconductors LPC185x/3x/2x/1x 32-bit ARM Cortex-M3 microcontroller P1_5 R5 J4 48 65 [2] N; PU I/O GPIO1[8] — General purpose digital input/output pin. O CTOUT_10 — SCT output 10. Match output 3 of timer 3. - R — Function reserved. O EMC_CS0 — LOW active Chip Select 0 signal. I USB0_PWR_FAULT — Port power fault signal indicating overcurrent condition; this signal monitors over-current on the USB bus (external circuitry required to detect over-current condition). I/O SSP1_SSEL — Slave Select for SSP1. - R — Function reserved. O SD_POW — SD/MMC card power monitor output. P1_6 T4 K4 49 67 [2] N; PU I/O GPIO1[9] — General purpose digital input/output pin. I CTIN_5 — SCT input 5. Capture input 2 of timer 2. - R — Function reserved. O EMC_WE — LOW active Write Enable signal. - R — Function reserved. O EMC_BLS0 — LOW active Byte Lane select signal 0. - R — Function reserved. I/O SD_CMD — SD/MMC command signal. P1_7 T5 G4 50 69 [2] N; PU I/O GPIO1[0] — General purpose digital input/output pin. I U1_DSR — Data Set Ready input for UART1. O CTOUT_13 — SCT output 13. Match output 3 of timer 3. I/O EMC_D0 — External memory data line 0. O USB0_PPWR — VBUS drive signal (towards external charge pump or power management unit); indicates that VBUS must be driven (active HIGH). Add a pull-down resistor to disable the power switch at reset. This signal has opposite polarity compared to the USB_PPWR used on other NXP LPC parts. - R — Function reserved. - R — Function reserved. - R — Function reserved. P1_8 R7 H5 51 71 [2] N; PU I/O GPIO1[1] — General purpose digital input/output pin. O U1_DTR — Data Terminal Ready output for UART1. O CTOUT_12 — SCT output 12. Match output 3 of timer 3. I/O EMC_D1 — External memory data line 1. - R — Function reserved. - R — Function reserved. - R — Function reserved. O SD_VOLT0 — SD/MMC bus voltage select output 0. Table 3. Pin description …continued Pin name Description |
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