LPC18S50 datasheet(11/151 Pages) NXP

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LPC18S50_S30_S10

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Product data sheet

Rev. 1 — 23 February 2015

11 of 151

NXP Semiconductors

LPC18S50/S30/S10

32-bit ARM Cortex-M3 microcontroller

P1_8

[2]

N; PU I/O

GPIO1[1] — General purpose digital input/output pin.

U1_DTR — Data Terminal Ready output for UART1.

CTOUT_12 — SCTimer/PWM output 12. Match output 3 of

timer 3.

I/O

EMC_D1 — External memory data line 1.

R — Function reserved.

SD_VOLT0 — SD/MMC bus voltage select output 0.

P1_9

[2]

N; PU I/O

GPIO1[2] — General purpose digital input/output pin.

U1_RTS — Request to Send output for UART1.

CTOUT_11 — SCTimer/PWM output 11. Match output 3 of

timer 2.

I/O

EMC_D2 — External memory data line 2.

R — Function reserved.

I/O

SD_DAT0 — SD/MMC data bus line 0.

P1_10

[2]

N; PU I/O

GPIO1[3] — General purpose digital input/output pin.

U1_RI — Ring Indicator input for UART1.

CTOUT_14 — SCTimer/PWM output 14. Match output 2 of

timer 3.

I/O

EMC_D3 — External memory data line 3.

R — Function reserved.

I/O

SD_DAT1 — SD/MMC data bus line 1.

P1_11

[2]

N; PU I/O

GPIO1[4] — General purpose digital input/output pin.

U1_CTS — Clear to Send input for UART1.

CTOUT_15 — SCTimer/PWM output 15. Match output 3 of

timer 3.

I/O

EMC_D4 — External memory data line 4.

R — Function reserved.

I/O

SD_DAT2 — SD/MMC data bus line 2.

Table 3.

Pin description …continued

LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.

Symbol

Description

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