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6 lvds, 1 signal description, Table 4-15: lvds signals description – IEI Integration ICE-DB-9S User Manual

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Page 61

ICE Module

Separate signal traces into similar categories, and route similar signal traces

together (such as routing differential pairs together).

Keep USB 2.0 signals clear of the core logic set. High current transients are

produced during internal state transitions and can be very difficult to filter out.

4.6 LVDS

4.6.1 Signal Description

Table 4-15 shows COM Express LVDS and LCD signals, including pin number,

signals, I/O and descriptions.

Table 4-15: LVDS Signals Description

Pin

Signal

I/O

Description

A71
A72

LVDS_A0+
LVDS_A0-

O

LVDS channel A differential signal pair 0

A73
A74

LVDS_A1+
LVDS_A1-

O

LVDS channel A differential signal pair 1

A75
A76

LVDS_A2+
LVDS_A2-

O

LVDS channel A differential signal pair 2

A78
A79

LVDS_A3+
LVDS_A3-

O

LVDS channel A differential signal pair 3

A81
A82

LVDS_A_CK+
LVDS_A_CK-

O

LVDS channel A differential clock pair

B71
B72

LVDS_B0+
LVDS_B0-

O

LVDS channel B differential signal pair 0

B73
B74

LVDS_B1+
LVDS_B1-

O

LVDS channel B differential signal pair 1

B75
B76

LVDS_B2+
LVDS_B2-

O

LVDS channel B differential signal pair 2

B77
B78

LVDS_B3+
LVDS_B3-

O

LVDS channel B differential signal pair 3

B81
B82

LVDS_B_CK+
LVDS_B_CK-

O

LVDS channel B differential clock pair

A77 LVDS_VDD_EN

O 3.3V
CMOS

LVDS flat panel power enable.

B79 LVDS_BKLT_EN

O 3.3V
CMOS

LVDS flat panel backlight enable high active signal

B83 LVDS_BKLT_CTRL

O 3.3V
CMOS

LVDS flat panel backlight brightness control

A83 LVDS_I2C_CK

O 3.3V
CMOS

DDC I2C clock signal used for flat panel detection
and control.

A84 LVDS_I2C_DAT

I/O 3.3V
OD CMOS

DDC I2C data signal used for flat panel detection
and control.