DS90C185 Datasheet, PDF (3/19 Pages) Texas Instruments – Low Power 1.8V FPD-Link (LVDS) Serializer

DS90C185 Pin Descriptions
Pin Name
I/O
No.
Description
1.8 V LVCMOS VIDEO INPUTS
D27 – D21,
D20,
D19 – D14,
D13 – D9,
D8 – D1,
D0
I 22 – 16, Data input pins.
14, This includes: 8 Red, 8 Green, 8 Blue, and 3 video control lines and a general purpose or
12 – 7, L/R control bit. Includes pull down.
5 – 1,
47 – 40,
38
CLK
I
6 Clock input.
Includes pull down.
LVDS VIDEO OUTPUTS
TxOUT0 –/+,
TxOUT1 –/+,
TxOUT2 –/+,
TxOUT3 –/+,
O
36, 35 LVDS Output Data — Expects 100 Ω DC load.
34, 33
32, 31
28, 27
TxCLK OUT -/+
O
30, 29 LVDS Output Clock — Expects 100 Ω DC load.
1.8 V LVCMOS CONTROL INPUTS
R_FB
I
23 LVCMOS Ievel programmable strobe select
1 = Rising Edge Clock
0 = Falling Edge Clock — default
Includes pull down.
18B_Mode
I
26 Mode Configuration Input
1 = 3D+C (18 bit RGB mode)
0 = 4D+C (24 bit RGB mode) — default
Includes pull down.
VOD_SEL
I
39 VOD Select Input
0 = Reduced V_OD (lower power)
1 = Normal V_OD — default
Includes pull down.
PDB
I
37 Power Down Bar(Sleep) Input
1 = ACTIVE
0 = Sleep State (low power idle) — default
Includes pull down.
POWER and GROUND
VDD
P
48 Digital power input
VDDTX
P
25 LVDS driver power input
VDDPLL
P
13 PLL power input
GND
G
15, 24 Ground pins
DAP
G
Connect DAP to ground plane
3
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