Datasheet

SN75DP139
SLLS977D –APRIL 2009–REVISED JULY 2013 www.ti.com
PIN FUNCTIONS
PIN
NO. I/O DESCRIPTION
SIGNAL
RGZ RSB
MAIN LINK INPUT PINS
IN_D1 38, 39 1, 2 I DisplayPort Main Link Channel 0 Differential Input
IN_D2 41, 42 4, 5 I DisplayPort Main Link Channel 1 Differential Input
IN_D3 44, 45 6, 7 I DisplayPort Main Link Channel 2 Differential Input
IN_D4 47, 48 9, 10 I DisplayPort Main Link Channel 3 Differential Input
MAIN LINK PORT B OUTPUT PINS
OUT_D1 23, 22 30, 29 O TMDS Data 2 Differential Output
OUT_D2 20, 19 27, 26 O TMDS Data 1 Differential Output
OUT_D3 17, 16 25, 24 O TMDS Data 0 Differential Output
OUT_D4 14, 13 22, 21 O TMDS Data Clock Differential Output
HOT PLUG DETECT PINS
HPD_SOURCE 7 16 O Hot Plug Detect Output
HPD_SINK 30 35 I Hot Plug Detect Input
AUXILIARY DATA PINS
SDA_SOURCE, 8, 9 17, 18 I/O Source Side Bidirectional DisplayPort Auxiliary Data Line
SCL_SOURCE
SDA_SINK, 29, 28 34, 33 I/O TMDS Port Bidirectional DDC Data Lines
SCL_SINK
CONTROL PINS
OE_N 25 31 I Output Enable and power saving function for High Speed Differential level
shifter path.
NC 10 11, 20, 40 No Connect
OVS 35 39 I DDC I2C buffer offset select
DDC_EN 32 36 I Enables or Disables the DDC I2C buffer
HPDINV 34 38 I HPD_SOURCE Logic and Level Select
VSadj 6 15 I TMDS Compliant Voltage Swing Control
SRC 3 13 I TMDS outputs rise and fall time select
I2C_EN 4 14 I Internal I
2
C register enable, used for HDMI / DVI connector differentiation
SUPPLY AND GROUND PINS
VCC 2, 11, 15, 21, 26, 3, 8, 12, 19, 23 3.3V Supply
33, 40, 46 28, 32, 37
GND 1, 5, 12, 18, 24, Thermal Pad Ground
27, 31, 36, 37, 43
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