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參數(shù)資料
型號(hào): TMDS250PAGR
廠商: TEXAS INSTRUMENTS INC
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP64
封裝: GREEN, PLASTIC, TQFP-64
文件頁(yè)數(shù): 23/27頁(yè)
文件大小: 709K
代理商: TMDS250PAGR
www.ti.com
SLLS866 – AUGUST 2007
TERMINAL FUNCTIONS
TERMINAL
I/O
DESCRIPTION
NAME
NO.
A11, A12, A13, A14
54, 57, 60, 63
I
Source port 1 TMDS positive inputs
A21, A22, A23, A24
5, 8, 11, 14
I
Source port 2 TMDS positive inputs
B11, B12, B13, B14
53, 56, 59, 62
I
Source port 1 TMDS negative inputs
B21, B22, B23, B24
4, 7, 10, 13
I
Source port 2 TMDS negative inputs
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
SCL1
52
I/O
Source port 1 DDC I2C clock line
SDA1
51
I/O
Source port 1 DDC I2C data line
SCL2
2
I/O
Source port 2 DDC I2C clock line
SDA2
1
I/O
Source port 2 DDC I2C data line
SCL_SINK
29
I/O
Sink port DDC I2C clock line
SDA_SINK
30
I/O
Sink port DDC I2C data line
HPD1
50
O
Source port 1 hot plug detector output (status pin)
HPD2
64
O
Source port 2 hot plug detector output (status pin)
HPD_SINK
31
I
Sink port hot plug detector input (status pin)
S1, S2
32, 33
I
Source selector
TMDS Input equalization selector (control pin)
EQ
34
I
EQ = Low – HDMI 1.3 compliant cable
EQ = High – 10m 28 AWG HDMI cable
VSADJ
16
I
TMDS compliant voltage swing control (control pin)
VDD
49
HPD/DDC Power supply
6, 12, 19, 25, 40,
VCC
Power supply
46, 55, 61
3, 9, 15, 22, 28,
GND
Ground
43, 58
35-39, 41, 42, 44,
NC
No connect: these pins should be left floating
45, 47, 48
Table 1. Source Selection Lookup(1)
CONTROL BITS
I/O SELECTED
HOT PLUG DETECT STATUS
SCL_SINK
S1
S2
Y/Z
HPD1
HPD2
SDA_SINK
A1/B1
SCL1
L
H
Terminations of A2/B2 are
HPD_SINK
L
SDA1
disconnected
A2/B2
SCL2
L
Terminations of A1/B1 are
L
HPD_SINK
SDA2
disconnected
Disallowed (indeterminate)
State
H
L
None (Z)
All terminations are
Are pulled HIGH by
disconnected
external pull-up
None (Z)
termination
H
L
All terminations are
HPD_SINK
disconnected
(1)
H: Logic high; L: Logic low; X: Don't care; Z: High impedance
Copyright 2007, Texas Instruments Incorporated
5
Product Folder Link(s): TMDS250
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