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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： | 21/24頁 |
| 文件大?。?/td> | 1467K |
| 代理商： | TMDS461PZIT |
PRODUCTPREVIEW
SLLS915 – AUGUST 2008 ................................................................................................................................................................................................. www.ti.com
Table 1. Control Pin Lookup Table (continued)
SIGNAL
LEVEL
STATE
DESCRIPTION
H
Offset 1
DDC sink side VOL and VIL offset range 1, VIL1 (max) : 0.4V, VOL1 (max) : 0.7V
OVS
L
Offset 2
DDC sink side VOL and VIL offset range 2, VIL2 (max) : 0.4V, VOL2 (max) : 0.6V
Hi-Z
Offset 3
DDC sink side VOL and VIL offset range 3, VIL3 (max) : 0.3V, VOL3 (max) : 0.5V
Driver output voltage swing presision control to aid with system complinace. VSadj resistor
Compliant
VSadj
4.65 k
value could be selected to be 4.65 k
+/- 10% based on the system requirement to pass
Voltage Swing
HDMI compliance.
Table 2. I2C Register 0x01 Lookup Table(1)
BIT
VALUE
STATE
DEFAULT DESCRIPTION
7
0
RSVD
X
Reserved
6:5
Bit 6
Bit 5
Port Select Status Indicator
0
X
Indicates Port 1 is selected as the active port, all other ports are disabled
0
1
Indicates Port 2 is selected as the active port, all other ports are disabled
1
0
Indicates Port 3 is selected as the active port, all other ports are disabled
1
Indicates Port 4 is selected as the active port, all other ports are disabled
4
1
Clock Detected
A valid clock signal is detected on the selected port
0
No Clock
X
The selected port does not have a valid clock signal
Detected
3
1
Port 4 5V_PWR
5V_PWR is detected as HIGH on Port 4
Detected
0
Port 4 5V_PWR
X
5V_PWR is detected as LOW on Port 4
not Detected
2
1
Port 3 5V_PWR
5V_PWR is detected as HIGH on Port 3
Detected
0
Port 3 5V_PWR
X
5V_PWR is detected as LOW on Port 3
not Detected
1
Port 2 5V_PWR
5V_PWR is detected as HIGH on Port 2
Detected
0
Port 2 5V_PWR
X
5V_PWR is detected as LOW on Port 2
not Detected
0
1
Port 1 5V_PWR
5V_PWR is detected as HIGH on Port 1
Detected
0
Port 1 5V_PWR
X
5V_PWR is detected as LOW on Port 1
not Detected
(1)
I2C register 0x01 is Read Only, this register is supposed to be read by the sink micro-controller on IRQ interrupt (IRQ goes high). The
register values get updated real time. IRQ will be reset (IRQ goes low) once the sink micro controller has completed reading this
register.
Table 3. I2C Register 0x07 Lookup Table(1)
BIT
VALUE
STATE
DEFAULT
DESCRIPTION
7:6
0
RSVD
X
Reserved
5
1
Port Select
The selected port has changed since reading 0x01
Changed
0
Port Select
X
The selected port has not changed since reading 0x01
Unchanged
4
1
Clock Detect
The selected port’s clock detect status has changed since reading 0x01
Changed
0
ClockDetect
X
The selected port’s clock detect status has not changed since reading 0x01
Unchanged
(1)
I2C register 0x07 is Read Only. This register values get latched whenever a system level interrupt happens (IRQ goes high), and the
register values gets cleared when the IRQ gets cleared upon reading 0x01. This I2C register can be used for debug purposes, if
needed.
6
Copyright 2008, Texas Instruments Incorporated
Product Folder Link(s) :TMDS461
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