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參數資料
| 型號： | TMDS461PZIT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP100 |
| 封裝： | PLASTIC, TQFP-100 |
| 文件頁數： | 20/24頁 |
| 文件大?。?/td> | 1467K |
| 代理商： | TMDS461PZIT |
PRODUCTPREVIEW
www.ti.com ................................................................................................................................................................................................. SLLS915 – AUGUST 2008
TERMINAL FUNCTIONS (continued)
TERMINAL
I/O
DESCRIPTION
SIGNAL
NO.
D[0:2]+_4
43, 46, 49
I
Port-4 TMDS differential data inputs
D[0:2]-_4
42, 45, 48
TMDS OUTPUT PINS
CLK+_SINK
98
O
TMDS sink differential clock
CLK-_SINK
99
D[0:2]+_SINK
95, 92, 89
O
TMDS sink differential data outputs
D[0:2]-_SINK
96, 93, 90
HOT-PLUG-DETECT STATUS PINS
HPD[1:4]
70, 65, 60, 55
O
Source port hot-plug-detect output
HPD_SINK
72
I
Sink hot plug detect input
DDC PINS
SCL[1:4]
67, 62, 57, 52
I/O
TMDS port bidirectional DDC clock
SDA[1:4]
68, 63, 58, 53
I/O
TMDS port bidirectional DDC data
SCL_SINK
75
I/O
TMDS sink side bidirectional DDC clock
SDA_SINK
74
I/O
TMDS sink side bidirectional DDC data
STATUS PINS
IRQ
69, 64, 59, 54
O
Interrupt Request
5V_PWR[1:4]
73
I
Source Port 5V Signal Input
5V_Ind
O
Selected Port 5V Power Indicator
CONTROL PINS
LP
85
I
Low-power select bar
S[1:2]
83,82
I
Source Selection GPIO
I2C_SEL
81
I
Local I2C control select
Local_SCL
79
I
Local I2C clock
Local_SDA
78
I/O
Local I2C data
Local_Addr
77
I
Local I2C address
VSadj
87
I
TMDS compliant voltage swing control
OVS
76
I
DDC offset selector
SUPPLY AND GROUND PINS
VCC
3.3 V supply
GND
Ground
Table 1. Control Pin Lookup Table
SIGNAL
LEVEL
STATE
DESCRIPTION
H
Normal Mode
Normal operational mode for device.
LP
Low-power
Device is forced into a low power state, causing the inputs and outputs to go to a
L
mode
high-impedance state. All other inputs are ignored.
S2
S1
L
Port 1
Port 1 is selected as the active port; all other ports are disabled.
S[2:1]
H
L
Port 2
Port 2 is selected as the active port; all other ports are disabled.
GPIO Mode
L
H
Port 3
Port 3 is selected as the active port; all other ports are disabled.
H
Port 4
Port 4 is selected as the active port; all other ports are disabled.
H
I2C
Device is configured by I2C logic.
I2C_SEL
L
GPIO
Device is configured by GPIO.
H
0101101
The 7-bit adress for the local I2C logic is 0101101
Local_Addr
L
0101100
The 7-bit adress for the local I2C logic is 0101100
Copyright 2008, Texas Instruments Incorporated
5
Product Folder Link(s) :TMDS461
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