EDP接口介绍、定义、与LVDS定义的比较

孤狼

DisplayPort是一种高清数字显示接口标准，可以连接电脑和显示器，也可以连接电脑和家庭影院。目前市场上部分液晶面板也是Display Port接口（简称DP或EDP接口），这种接口的液晶屏并不是通用的LVDS驱动板可以驱动，需要增加LVDS转EDP板才能完美点亮。

目前市场的EDP屏接口规格主要两种：一种是30pin, 另一种是40pin  

EDP信号输出接口定义

Pin  NO.	SYMBOL	DESCRIPTION
1	VCC	Power Supply for EDP Panel(EDP屏供电)
2	VCC
3	GND	Ground
4	GND
5	AUX-	Display  Port AUX - channel negative signal
6	AUX+	Display  Port AUX + channel Positive signal
7	GND	Ground
8	GND
9	D3-	Display  Port Lane 3 negative output
10	D3+	Display  Port Lane 3 Positive output
11	D2-	Display  Port Lane 2 negative output
12	D2+	Display  Port Lane 2 Positive output
13	D1-	Display  Port Lane 1 negative output
14	D1+	Display  Port Lane 1 Positive output
15	D0-	Display Port Lane 0 negative output
16	D0+	Display Port Lane 0 Positive output
17	GND	Ground
18	GND
19	3V3	3.3V  OUTPUT
20	HPD	Hot  Plug

LVDS 屏接口的定义

Pin  NO.	SYMBOL	DESCRIPTION
1	PVCC	Power Supply for  EDP board    EDP板供电输入
2	PVCC
3	PVCC
4	GND	Ground
5	GND
6	GND
7	RXO0-	LVDS ODD 0- Signal
8	RXO0+	LVDS ODD 0+ Signal
9	RXO1-	LVDS ODD 1- Signal
10	RXO1+	LVDS ODD 1+ Signal
11	RXO2-	LVDS ODD 2- Signal
12	RXO2+	LVDS ODD 2+ Signal
13	GND	Ground
14	GND
15	RXOC-	LVDS ODD Clock- Signal
16	RXOC+	LVDS ODD Clock+ Signal
17	RXO3-	LVDS ODD 3- Signal
18	RXO3+	LVDS ODD 3+ Signal
19	RXE0-	LVDS EVEN 0- Signal
20	RXE0+	LVDS EVEN 0+ Signal
21	RXE1-	LVDS EVEN 1- Signal
22	RXE1+	LVDS EVEN 1+ Signal
23	RXE2-	LVDS EVEN 2- Signal
24	RXE2+	LVDS EVEN 2+ Signal
25	GND	Ground
26	GND
27	RXEC-	LVDS EVEN Clock- Signal
28	RXEC+	LVDS EVEN Clock+ Signal
29	RXE3-	LVDS EVEN 3- Signal
30	RXE3+	LVDS EVEN 3+ Signal
31	GND	Ground
32	GND
33	NC	No Connect
34	NC	No Connect
35	SCL	I2C SCL
36	SDA	I2C SDA
37	RXO4-	LVDS ODD 4- Signal
38	RXO4+	LVDS ODD 4+ Signal
39	RXE4-	LVDS EVEN 4- Signal
40	RXE4+	LVDS EVEN 4+ Signal

alwwcwtss

这些都是宝贵资料啊，学习一下啊