Datasheet
TMDS351
SLLS840B –MAY 2007– REVISED JULY 2011
www.ti.com
PIN FUNCTIONS
PIN
I/O DESCRIPTION
NAME NO.
A11, A12, A13, A14 39, 42, 45, 48 I Source port 1 TMDS positive inputs
A21, A22, A23, A24 54, 57, 60, 63 I Source port 2 TMDS positive inputs
A31, A32, A33, A34 5, 8, 11, 14 I Source port 3 TMDS positive inputs
B11, B12, B13, B14 38, 41, 44, 47 I Source port 1 TMDS negative inputs
B21, B22, B23, B24 53, 56, 59, 62 I Source port 2 TMDS negative inputs
B31, B32, B33, B34 4, 7, 10, 13 I Source port 3 TMDS negative inputs
3, 9, 15, 22, 28,
GND Ground
43, 58
TMDS Input equalization selector (control pin)
EQ 34 I EQ = Low – HDMI 1.3 compliant cable
EQ = High – 10m 28 AWG HDMI cable
HPD1 35 O Source port 1 hot plug detector output (status pin)
HPD2 50 O Source port 2 hot plug detector output (status pin)
HPD3 64 O Source port 3 hot plug detector output (status pin)
HPD_SINK 31 I Sink port hot plug detector input (status pin)
SCL1 37 I/O Source port 1 DDC I
2
C clock line
SCL2 52 I/O Source port 2 DDC I
2
C clock line
SCL3 2 I/O Source port 3 DDC I
2
C clock line
SCL_SINK 29 I/O Sink port DDC I
2
C clock line
SDA1 36 I/O Source port 1 DDC I
2
C data line
SDA2 51 I/O Source port 2 DDC I
2
C data line
SDA3 1 I/O Source port 3 DDC I
2
C data line
SDA_SINK 30 I/O Sink port DDC I
2
C data line
S1, S2 32. 33 I Source selector
6, 12, 19, 25, 40,
V
CC
Power supply
46, 55, 61
V
DD
49 HPD/DDC Power supply
VSADJ 16 I TMDS compliant voltage swing control (control pin)
Y1, Y2, Y3, Y4 26,23,20,17 O Sink port TMDS positive outputs
Z1, Z2, Z3, Z4 27,24,21,18 O Sink port TMDS negative outputs
4 Copyright © 2007–2011, Texas Instruments Incorporated