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13

Board Layout

Chapter 3

Embedded and Industrial Computing

TV Out Connector (JTV1)

Pin No. Description Pin No. Description

1 Pb 2 GND

3 Y 4 C

5 GND 6 GND

Signal Description for JTV1:

Signal Description

Pb TVDAC Channel A Output:

supports CVBS signal of

Composite; Chrominance (Pb)

analog signal of Component.

Pr TVDAC Channel B Output:

supports Chrominance analog

signal of S-Video; Chromi-

nance (Pr) analog signal of

Component.

Y TVDAC Channel C Output:

supports Luminance signal of

S-Video; Luminance (Y) ana-

log signal of Component.

USB Connector 7, 4 & 5 (JUSB1, JUSB2)

CPU Fan connector/ System Fan connector 1/ System

Fan connector 2

(C_FAN1/ S_FAN1/ S_FAN2)

Pin Signal

1 GND

2 +12V

3 FANIO2/ FANIO3/

FANIO1

LVDS Connector (JLVDS1)

PIN Pin Name PIN Pin Name

1 LVDS_+3.3V 2 LVDS_+5V

3 LVDS_+3.3V 4 LVDS_+5V

5 I

2

C_CLK 6 I

2

C_DAT

7 GND 8 GND

9 LCDDO3 10 LCDDO1

11 LCDDO2 12 LCDDO0

13 GND 14 GND

15 LCDDO9 16 LCDDO5

17 LCDDO8 18 LCDDO4

19 GND 20 GND

21 LCDDO13 22 LCDDO11

23 LCDDP12 24 LCDDO10

25 GND 26 GND

27 LCDDO19 28 LCDDO15

29 LCDDO18 30 LCDDO14

31 GND 32 GND

33 LCDDO17 34 LCDDO7

35 LCDDO16 36 LCDDO6

37 GND 38 GND

39 +12V_LVDS 40 +12V_LVDS

Signal Description for JLVDS1

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

I2C_DAT, I2C_CLK I

2

C interface for panel parameter EEPROM.

This EERPOM is mounted on the LVDS

receiver. The data in the EEPROM allows the

COM Express module to automatically set the

proper timing parameters for a specic LCD

panel.

1

2

3

Pin No. Pin Name Pin No. Pin Name

1 +5V 2 GND

3 D6-/D4- 4 GND

5 D6+/D4+ 6 D7+/D5+

7 GND 8 D7-/D5-

9 GND 10 +5V

1

3

9

3 2 1

39

1

1 2 ... 8 9 10 11 12 13 14 15 16

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