LPC3240 datasheet(17/73 Pages) NXP

17 / 73 page

LPC3220_30_40_50_1

Preliminary data sheet

Rev. 01 — 6 February 2009

17 of 73

NXP Semiconductors

LPC3220/30/40/50

16/32-bit ARM microcontrollers

SPI1_CLK/

SCK0

VDD_IOD

SPI1 clock out

SSP0 clock out

SPI1_DATIN/

MISO0/

GPI_25/

MCI1

C10

VDD_IOD

I/O

SPI1 data in

I/O

SSP0 MISO

I/O

General purpose input bit 25

Motor control channel 1 input

SPI1_DATIO/

MOSI0/

MCI2

VDD_IOD

I/O

SPI1 data out (and optional input)

I/O

SSP0 MOSI

Motor control channel 2 input

SPI2_CLK/

SCK1/

LCDVD[23]

B10

VDD_IOD

I/O

SPI2 clock out

I/O

SSP1 clock out

I/O

LCD data bit 23

SPI2_DATIO/

MOSI1/

LCDVD[20]

VDD_IOD

I/O

SPI2 data out (and optional input)

I/O

SSP1 MOSI

I/O

LCD data bit 20

SPI2_DATIN/

MISO1/

LCDVD[21]/

GPI_27

A10

VDD_IOD

I/O

SPI2 data in

I/O

SSP1 MISO

I/O

LCD data 21

I/O

General purpose input bit 27

SYSCLKEN/

LCDVD[15]

G17

VDD_IOD

I/O T

Clock request out for external clock source

I/O T

LCD data bit 15

SYSX_IN

T17

VDD_AD

analog in

System clock oscillator input

SYSX_OUT

R15

VDD_AD

analog out

System clock oscillator output

TS_XP

R13

VDD_AD

I/O

Touchscreen X output

TS_YP

U16

VDD_AD

I/O

Touchscreen Y output

TST_CLK2

VDD_IOB

Test clock 2 out

U1_RX/CAP1[0]/

GPI_15

K15

VDD_IOA

I/O

HS UART 1 receive

I/O

Timer 1 capture input 0

I/O

General purpose input bit 15

U1_TX

K16

VDD_IOA

HS UART 1 transmit

U2_HCTS/

U3_CTS/GPI_16

J18

VDD_IOA

I/O

HS UART 2 Clear to Send input

UART 3 Clear to Send

I/O

General purpose input bit 16

U2_RX/

U3_DSR/GPI_17

K18

VDD_IOA

I/O

HS UART 2 receive

I/O

UART 3 data set ready

I/O

General purpose input bit 17

U2_TX/U3_DTR

K17

VDD_IOA

HS UART 2 transmit

UART 3 data terminal ready out

U3_RX/

GPI_18

J14

VDD_IOD

I/O

UART 3 receive

I/O

General purpose input bit 18

Table 4.

Pin description …continued

Symbol

Power supply

domain

Type

Description

LPC3240 Datasheet(PDF) 17 Page - NXP Semiconductors

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