DS90C187_14 Datasheet, PDF (5/28 Pages) Texas Instruments – Low Power 1.8V Dual Pixel FPD-Link (LVDS) Serializer

DS90C187
www.ti.com
SNLS401B – FEBRUARY 2012 – REVISED APRIL 2013
DS90C187 Pin Descriptions — Serializer
Pin Name
I/O
No.
Description
1.8V LVCMOS VIDEO INPUTS
INA_[27:21],
INA_[17:9],
INA_[8:0]
I
B19-B13,
Channel A Data Inputs
B9-B1,
Typically consists of 8 Red, 8 Green, 8 Blue and a general purpose or L/R control
B40-B32
bit.
Includes pull down.
INB_[27:21],
INB_[17:14],
INB_[13:9],
INB_[8:0]
I
A23-A17,
Channel B Data Inputs
A10-A7,
Typically consists of 8 Red, 8 Green, 8 Blue and a general purpose or L/R control
A5-A1,
bit.
A50-A42
Includes pull down.
HS (INA_18),
I
VS (INA_19),
DE (INA_20)
B10,
B11,
B12
Video Control Signal Inputs -
HS = Horizontal Sync, VS = Vertical SYNC, and DE = Data Enable
IN_CLK
I
A6
Pixel Input Clock
Includes pull down.
1.8V LVCMOS CONTROL INPUTS
MODE0,
MODE1
I
B20,
Mode Control Inputs (MODE1, MODE0)
A25
00 = Single In / Single Out
01 = Single In / Dual Out
10 = Dual In / Dual Out
11 = Reserved
Includes pull down.
RFB
I
A24
Rising / Falling Clock Edge Select Input -
0 = Falling Edge, 1 = Rising Edge
Includes pull down.
PDB
I
A40
Power Down (Sleep) Control Input -
0 = Sleep (Power Down mode), 1 = device active (enabled)
Includes pull down.
18B
I
A29
18 bit / 24 bit Control Input -
0 = 24 bit mode, 1 = 18 bit mode
Includes pull down.
VODSEL
I
A41
VOD Level Select Input -
0 = Low swing, 1 = Normal swing
Includes pull down.
N/C
I
A39
no connect pin — leave open
RSVD
I
A11, A12, A16 Reserved - Tie to Ground.
LVDS OUTPUTS
OA_C+,
OA_C-
O
B28,
Channel A LVDS Output Clock —
A35
Expects 100 Ω DC load.
OA_[3:0]+,
OA_[3:0]-
O
B27, B29-B31 Channel A LVDS Output Data —
A34, A36-A38 Expects 100 Ω DC load.
OB_C+,
OB_C-
O
B23,
Channel B LVDS Output Clock —
A30
Expects 100 Ω DC load.
OB_[3:0]+,
OB_[3:0]-
O
B21, B24-B26, Channel B LVDS Output Data —
A28, A31-A33 Expects 100 Ω DC load.
POWER and GROUND
V_DDTX
V_DD
V_DDP
GND
P
B22
Power supply for LVDS Drivers, 1.8V.
P
A14, A26, A51 Power supply pin for core, 1.8V.
P
A13
Power supply pin for PLL, 1.8V.
G
A15, A27, A52 Ground pins.
DAP
G
DAP
Connect DAP to Ground plane.
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