Embedded LPC3250 Guía de usuario descargar pdf (Pagina 21)

LPC3250 Developer’s Kit - User’s Guide

Page 21

Copyright 2010 © Embedded Artists AB

70

P0.23

AIN0

Can be connected to accelerometer, X-axis

71

P0.24

AIN1

Can be connected to accelerometer, Y-axis

72

P0.25

AIN2

Can be connected to accelerometer, Z-axis, or

analog input (trimpot)

73

P0.26

GPO_00

Connects to speaker output on AOUT signal

74

P0.27-SDA0

I2C1_SDA

I2C-SDA0, connects to PCA9532 (IO

expander)

75

P0.28-SCL0

I2C1_SCL

I2C-SCL0, connects to PCA9532 (IO

expander)

76

GND

GND

77

GND

GND

78

P1.2

MCICLK

Connects to MCICLK on SD/MMC connector

79

P1.3

MCICMD

Connects to MCICMD on SD/MMC connector

80

P1.5

GPO_01

Connects to MCIPWR on SD/MMC connector

81

P1.6

MCIDAT0

Connects to MCIDAT0 on SD/MMC connector

82

P1.7

MCIDAT1

Connects to MCIDAT1 on SD/MMC connector

83

P1.11

MCIDAT2

Connects to MCIDAT2 on SD/MMC connector

84

P1.12

MCIDAT3

Connects to MCIDAT3 on SD/MMC connector

85

P1.13

GPIO_05

No special usage on QVGA Base Board

86

P1.18

GPO_14

Connects to QVGA backlight control. Can also

be connected to LED (active low) to be used

for USB device/OTG

USB Device/OTG

i/f not used

87

P1.19

GPI_13

No special usage on QVGA Base Board

88

P1.20

U7_RX

LCD databit 10

89

P1.21

U7_TX

LCD databit 11

90

P1.22

P0.6

LCD databit 12

91

P1.23

P0.7

LCD databit 13

92

P1.24

GPO_22

LCD databit 14

93

P1.25

SYSCLKEN

LCD databit 15

94

P1.26

SPI2_DATIO

LCD databit 20

95

P1.27

SPI2_DATIN

LCD databit 21, can also be connected to

ISP1301 (USB OTG transceiver)

ISP1301 on base

board shall not be

used

96

P1.28

GPIO_04

LCD databit 22, can also be connected to

ISP1301 (USB OTG transceiver)

ISP1301 on base

board shall not be

used

97

P1.29

SPI2_CLK

LCD databit 23, can also be connected to

ISP1301 (USB OTG transceiver)

ISP1301 on base

board shall not be

used

98

P1.30

USB_CONN_VBUS

Can be connected to VBUS signal from USB

host power

99

P1.31

GPI_02

Can be connected to over-current error signal

from USB host power switch

100

NAND_FLASH_R

DY

GPO_19

Can be connected to SODIMM pin 119

Signal not used.

Exist internally on

OEM board.

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 44 45

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