Embedded LPC3250 Guia do Utilizador descarregar pdf (Página 20)

LPC3250 Developer’s Kit - User’s Guide

Page 20

Copyright 2010 © Embedded Artists AB

KEYROW1)

i/f not used

44

USBB-DM

USB_CONN_DN

Connects to USB host interface

USB Host interface

is connected to the

LPC3250

45

P2.12

GPO_06

LCD databit 18

46

P2.13

PWMOUT2

LCD databit 19

47

P0.0

U6_IRTX

Can be connected to RD1 for CAN channel

#1, can also connect to IrDA transceiver

CAN interface

cannot be used by

the LPC3250.

IrDA can be used

48

P0.1

U6_IRRX

Can be connected to TD1 for CAN channel

#1, can also connect to IrDA transceiver

CAN interface

cannot be used by

the LPC3250.

IrDA can be used

49

P0.2

U5_TX

Can be connected to USB-to-serial bridge

(TxD on UART #5. Note that the silk screen

text says UART#0)

Possible to boot

over UART#5

50

P0.3

U5_RX

Can be connected to USB-to-serial bridge

(RxD on UART #5. Note that the silk screen

text says UART#0)

Possible to boot

over UART#5

51

P0.4

GPO_02

LCD databit 0, can also be connected to RD2

for CAN channel #2

CAN i/f cannot be

used

52

P0.5

GPO_03

LCD databit 1, can also be connected to TD2

for CAN channel #2

CAN i/f cannot be

used

53

P0.6

GPO_08

LCD databit 8

54

P0.7

GPO_09

LCD databit 9

55

P0.8

PWMOUT1

LCD databit 16

56

P0.9

HICORE

LCD databit 17

57

P0.10

U1_TX

Can be connected to RS232 interface (TxD)

58

P0.11

U1_RX

Can be connected to RS232 interface (RxD)

59

P0.12

USB_VBUS_CTRL

Can be connected to enable USB-host power

switch

60

P0.13

GPO_17

Can be connected to LED (active low) for

USB-host indicator

61

P0.14

GPO_20

Can be connected to USB-device enable-

device signal

62

P0.15

SPI1_CLK

QVGA display and Touch screen serial

interface (SPI-SCK)

63

P0.16

GPO_04

QVGA display serial interface (SSEL)

64

P0.17

SPI1_DATIN

QVGA display and Touch screen serial

interface (SPI-MISO)

65

P0.18

SPI1_DATIO

QVGA display and Touch screen serial

interface (SPI-MOSI)

66

P0.19

GPO_05

QVGA display serial interface (command/data

select)

67

P0.20

GPO_11

Touch screen serial interface (SSEL)

68

P0.21

TS_XP

No special usage on QVGA Base Board

69

P0.22

TS_YP

No special usage on QVGA Base Board

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