LPC3240 datasheet(18/73 Pages) NXP

18 / 73 page

LPC3220_30_40_50_1

Preliminary data sheet

Rev. 01 — 6 February 2009

18 of 73

NXP Semiconductors

LPC3220/30/40/50

16/32-bit ARM microcontrollers

U3_TX

J17

VDD_IOD

UART 3 transmit

U5_RX/

GPI_20

F18

VDD_IOD

I/O

UART 5 receive

General purpose input bit 20

U5_TX

H15

VDD_IOD

UART 5 transmit

U6_IRRX/

GPI_21

F17

VDD_IOD

I/O

UART 6 receive (with IrDA)

General purpose input bit 21

U6_IRTX

G16

VDD_IOD

UART 6 transmit (with IrDA)

U7_HCTS/

CAP0[1]/

LCDCLKIN/

GPI_22

G13

VDD_IOD

HS UART 7 CTS in

Timer 0 capture input 1

LCD panel clock in

General purpose input bit 22

U7_RX/

CAP0[0]/

LCDVD[10]/

GPI_23

E17

VDD_IOD

I/O

HS UART 7 receive

I/O

Timer 0 capture input 0

I/O

LCD data bit 10

I/O

General purpose input bit 23

U7_TX/

MAT1[1]/

LCDVD[11]

E18

VDD_IOD

HS UART 7 transmit

Timer 1 match output 1

LCD data bit 11

USB_ATX_INT

VDD_IOC

Interrupt from USB ATX

USB_DAT_VP/

U5_RX

VDD_IOC

I/O: P

USB transmit data, D+ receive

I/O: P

UART 5 receive

USB_I2C_SCL

VDD_IOC

I/O T

I2C clock for USB ATX interface

USB_I2C_SDA

VDD_IOC

I/O T

I2C data for USB ATX interface

USB_OE_TP

VDD_IOC

I/O

USB transmit enable for DAT/SE0

USB_SE0_VM/

U5_TX

VDD_IOC

I/O: P

USB single ended zero transmit, D

− Receive

I/O: P

UART 5 transmit

VDD_AD

N12,

N13

VDD_AD

power

3.3 V supply for ADC/touch screen

VDD_CORE

G7,

G9,

G11,

J7,

J12,

M7,

M11

VDD_CORE

power

1.2 V (or 0.9 V) supply for core

VDD_COREFXD

L12,

M13

VDD_COREFXD

power

Fixed 1.2 V supply for core

Table 4.

Pin description …continued

Symbol

Power supply

domain

Type

Description

LPC3240 Datasheet(PDF) 18 Page - NXP Semiconductors

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