LPC18S50 datasheet(16/151 Pages) NXP

16 / 151 page

LPC18S50_S30_S10

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Product data sheet

Rev. 1 — 23 February 2015

16 of 151

NXP Semiconductors

LPC18S50/S30/S10

32-bit ARM Cortex-M3 microcontroller

P2_5

K14

J12

D10

[3]

N; PU -

R — Function reserved.

CTIN_2 — SCTimer/PWM input 2. Capture input 2 of timer 0.

USB1_VBUS — Monitors the presence of USB1 bus power.

Note: This signal must be HIGH for USB reset to occur.

ADCTRIG1 — ADC trigger input 1.

I/O

GPIO5[5] — General purpose digital input/output pin.

R — Function reserved.

T3_MAT2 — Match output 2 of timer 3.

USB0_IND0 — USB0 port indicator LED control

output 0.

P2_6

K16

J14

[2]

N; PU -

R — Function reserved.

I/O

U0_DIR — RS-485/EIA-485 output enable/direction control for

USART0.

I/O

EMC_A10 — External memory address line 10.

USB0_IND0 — USB0 port indicator LED control

output 0.

I/O

GPIO5[6] — General purpose digital input/output pin.

CTIN_7 — SCTimer/PWM input 7.

T3_CAP3 — Capture input 3 of timer 3.

R — Function reserved.

P2_7

H14

G12

C10

[2]

N; PU I/O

GPIO0[7] — General purpose digital input/output pin. ISP

entry pin. If this pin is pulled LOW at reset, the part enters ISP

mode using USART0.

CTOUT_1 — SCTimer/PWM output 1. Match output 3 of

timer 3.

I/O

U3_UCLK — Serial clock input/output for USART3 in

synchronous mode.

I/O

EMC_A9 — External memory address line 9.

R — Function reserved.

T3_MAT3 — Match output 3 of timer 3.

R — Function reserved.

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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