Adlink Express-HLE Uživatelský manuál stáhnout pdf (Strana 17)

Express-HLE Page 17

3.3.3 LVDS

Signal Pin # Description I/O PU/PD Comment

LVDS_A0+

LVDS_A0-

LVDS_A1+

LVDS_A1-

LVDS_A2+

LVDS_A2-

LVDS_A3+

LVDS_A3-

A71

A72

A73

A74

A75

A76

A78

A79

LVDS Channel A differential pairs O LVDS

LVDS_A_CK+

LVDS_A_CK-

A81

A82

LVDS Channel A differential clock O LVDS

LVDS_B0+

LVDS_B0-

LVDS_B1+

LVDS_B1-

LVDS_B2+

LVDS_B2-

LVDS_B3+

LVDS_B3-

B71

B72

B73

B74

B75

B76

B77

B78

LVDS Channel B differential pairs O LVDS

LVDS_B_CK+

LVDS_B_CK-

B81

B82

LVDS Channel B differential clock O LVDS

LVDS_VDD_EN A77 LVDS panel power enable O 3.3V

LVDS_BKLT_EN B79 LVDS panel backlight enable O 3.3V

LVDS_BKLT_CTRL B83 LVDS panel backlight brightness control O 3.3V PD 100K

Realtek ePD to LVDS

requirement

LVDS_I2C_CK A83 DDC lines used for flat panel detection and control. O 3.3V PU 2k2 3.3V

LVDS_I2C_DAT A84 DDC lines used for flat panel detection and control. I/O 3.3V PU 2k2 3.3V

3.3.4 Gigabit Ethernet

Gigabit Ethernet Pin # Description I/O PU/PD Comment

GBE0_MDI0+

GBE0_MDI0-

GBE0_MDI1+

GBE0_MDI1-

GBE0_MDI2+

GBE0_MDI2-

GBE0_MDI3+

GBE0_MDI3-

A13

A12

A10

Gigabit Ethernet Controller 0: Media Dependent Interface Differential Pairs

0, 1, 2, 3. The MDI can operate in 1000, 100, and 10Mbit/sec modes.

Some pairs are unused in some modes according to the following:

1000BASE-T 100BASE-TX 10BASE-T

MDI[0]+/- B1_DA+/- TX+/- TX+/-

MDI[1]+/- B1_DB+/- RX+/- RX+/-

MDI[2]+/- B1_DC+/-

MDI[3]+/- B1_DD+/-

I/O Analog Twisted pair

signals for

external

transformer.

GBE0_ACT# B2 Gigabit Ethernet Controller 0 activity indicator, active low. O 3.3VSB PU 10k

3.3VSB

GBE0_LINK# A8 Gigabit Ethernet Controller 0 link indicator, active low. O 3.3VSB

GBE0_LINK100# A4 Gigabit Ethernet Controller 0 100Mbit/sec link indicator, active low. O 3.3VSB

GBE0_LINK1000# A5 Gigabit Ethernet Controller 0 1000Mbit/sec link indicator, active low. O 3.3VSB

GBE0_CTREF A14 Reference voltage for Carrier Board Ethernet channel 1 and 2 magnetics

center tap. The reference voltage is determined by the requirements of the

Module PHY and may be as low as 0V and as high as 3.3V. The reference

voltage output shall be current limited on the Module. In the case in which

the reference is shorted to ground, the current shall be 250 mA or less.

GND min

3.3V max

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 88 89

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