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Intel ESM-2743 User Manual

Page 37

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User’s Manual

ESM-2740/2743 User’s Manual

37

2.4.7

Signal Description – ETX Connector X3 (ETXC)

2.4.7.1 LVDS Flat Panel Interface Signals

Signal

1 Pixel / Clock LVDS Mode

2 Pixel / Clock LVDS Mode

LCDDO0

Txout0#

Odd Txout0#

LCDDO1 Txout0

Odd

Txout0

LCDDO2

Txout1#

Odd Txout1#

LCDDO3 Txout1

Odd

Txout1

LCDDO4

Txout2#

Odd Txout2#

LCDDO5 Txout2

Odd

Txout2

LCDDO6

Txclk#

Odd Txclk#

LCDDO7 Txclk

Odd

Txclk

LCDDO8

Txout3#

Odd Txout3#

LCDDO9 Txout3

Odd

Txout3

LCDDO10

-

Even Txout0#

LCDDO11 -

Even

Txout0

LCDDO12

-

Even Txout1#

LCDDO13 -

Even

Txout1

LCDDO14

-

Even Txout2#

LCDDO15 -

Even

Txout2

LCDDO16

-

Even Txclk#

LCDDO17 -

Even

Txclk

LCDDO18

-

Even Txout3#

LCDDO19 -

Even

Txout3

BIASON

Controls panel contrast voltage.

DIGON

Controls panel digital power.

ENBKL#

Controls backlight power enable.

I

2

C_DAT, I

2

C_CLK

I

2

C interface for panel parameter EEPROM. This EERPOM is mounted on the

LVDS receiver. The data in the EEPROM allows the EXT module to automatically
set the proper timing parameters for a specific LCD panel.

2.4.7.2 IrDA

(SIR)

Signals

Signal

Signal Description

IRTX, IRRX

Infrared transmit and receive pins.

2.4.7.3

Parallel Port Signals

Signal

Signal Description

STB#

This active-low signal is used to strobe the printer data into the printer.

AFD#

This active-low output tells the printer to automatically feed the next single line
after each preceding line has been printed.

PD[0:7]

This bi-directional parallel data bus is used to transfer information between the
CPU and the peripherals.

ERR#

This active-low signal indicates an error situation has occurred at the printer.

INIT#

This active-low signal is used to initiate the printer when low.

SLIN#

This active-low signal selects the printer.

ACK#

This active-low output from the printer indicates that it has received the previous
data and that it is ready to receive new data.

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