參數(shù)資料
型號(hào)： TFP513
廠商： Texas Instruments, Inc.
英文描述： TI PANELBUS DIGITAL TRANSMITTER
中文描述： 德州儀器PANELBUS數(shù)字發(fā)射機(jī)
文件頁(yè)數(shù)： 5/29頁(yè)
文件大?。?/td> 424K
代理商： TFP513
SLLS611 AUGUST 2004
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Terminal Functions (Continued)
TERMINAL
NAME
I/O
DESCRIPTION
NUMBER
Configuration/Programming Pins (Continued)
PD
10
I
Power down (active low). In the power-down state only the digital I/O buffers and I2C interface remain
active.
When I2C is disabled (ISEL = low), a high level selects the normal operating mode. A low level selects
the power-down mode.
When I2C is enabled (ISEL = high), the power-down state is selected through I2C. In this configuration,
the PD pin must be tied to GND.
Note: The default register value for PD is low, so the device is in power-down mode when I2C is first
enabled or after an I2C RESET.
These terminals are the I2C interface to the internal HDCP key EEPROM. Each terminal requires a
pullup resistor in the range of 900
to 5 k
connected to VDD.
Input reference voltage. Selects the swing range of the digital data inputs (DATA[23:0], DE, HSYNC,
VSYNC, and IDCK
±
).
For high-swing 3.3-V input signal levels, VREF must be tied to VDD.
For low-swing input signal levels, VREF must be set to half of the maximum input voltage level. See the
recommended operating conditions
section for the allowable range for VREF.
The desired VREF voltage level is typically derived using a simple voltage divider circuit.
RDA
RCL
7
8
I/O
VREF
3
I
Reserved
NC
49
I
No connection required. If this terminal is connected, tie it to VDD.
These pins are reserved and must be tied to GND for normal operation.
RESERVED
34, 35
I
DVI Differential Signal Output Pins
TFADJ
19
I
Full-scale adjust. This pin controls the amplitude of the DVI output voltage swing, determined by the
value of the pullup resistor R(TFADJ) connected to TVDD.
Channel-0 DVI differential output pair. TX0
±
transmits the 8-bit blue pixel data during active video and
HSYNC and VSYNC during the blanking interval.
TX0+
TX0
25
24
O
TX1+
TX1
28
27
O
Channel-1 DVI differential output pair. TX1
±
transmits the 8-bit green pixel data during active video and
CTL[1] during the blanking interval.
TX2+
TX2
31
30
O
Channel-2 DVI differential output pair. TX2
±
transmits the 8-bit red pixel data during active video and
CTL[3:2] during the blanking interval.
TXC+
TXC
22
21
O
DVI differential output clock.
Power and Ground Pins
DGND
16, 48, 64
Digital ground
DVDD
PGND
1, 12, 33
Digital power supply. Must be set to 3.3 V nominal
17
PLL ground
PVDD
TGND
18
PLL power supply. Must be set to 3.3 V nominal
20, 26, 32
Transmitter differential output driver ground
TVDD
23, 29
Transmitter differential output driver power supply. Must be set to 3.3 V nominal
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