DataSheet.es


PDF CH7308A-TF Datasheet ( Hoja de datos )

Número de pieza CH7308A-TF
Descripción LVDS Transmitter
Fabricantes Chrontel 
Logotipo Chrontel Logotipo
Vista previa
Total 22 Páginas
		
CH7308A-TF datasheet

1 Page

CH7308A-TF pdf
CHRONTEL
CH7308
Pin#
51, 52, 54,
55, 57, 58
60, 61
47, 48
36, 37
17, 18
33, 39, 42,
45, 34, 40,
43, 46
20, 23, 26,
29, 21, 24,
27, 30
32
14
15
16, 49
13, 31
19, 25, 38,
44
22, 28, 35,
41
56, 62
53, 59
3
8
Type
In
In
Out
Out
Out
Out
Out
In
In
Out
Power
Power
Power
Power
Power
Power
Power
Power
Symbol
SDVO_R+/-
SDVO_G+/-
SDVO_B+/-
SDVO_CLK+/-
SDVO_STALL+/-
LL1C, LL1C*
LL2C, LL2C*
LDC[3:0], LDC*[3:0]
Description
SDVO Data Channel Inputs
These pins accept 3 AC-coupled differential pair of inputs from
the digital video port of a graphics controller. These 3 pairs of
inputs can be R, G, B. The differential p-p input voltage has a
maximum value of 1.2V, with a minimum value of 175mV.
Differential Clock Input associated with SDVO Data Channel
(SDVO_R+/-, SDVO_G+/-, SDVO_B+/-)
The range of this clock pair is 100~200MHz. For specific pixel
rates in specific modes, this clock pair will run at an integer
multiple of the pixel rate. Refer to section 2.1.2 for details.
Stall Signal Pair associated with SDVO Data Channel
(SDVO_R+/-, SDVO_G+/-, SDVO_B+/-)
This differential pair is used as a stall indication for a VGA
controller, which is capable of driving out SDVO_R+/-,
SDVO_G+/-, SDVO_B+/- data. When toggling between 100MHz
and 200MHz, the stall indication state is asserted (‘1’ value);
when not toggling at all the state is de-asserted (‘0’ value). The
differential p-p output voltage has a maximum value of 1.2V, with
a minimum value of 175mV.
LVDS Differential Clock Channel 1
LVDS Differential Clock Channel 2
LVDS Differential Data[3:0]
LDC[7:4], LDC*[7:4] LVDS Differential Data [7:4]
VSWING
XI/FIN
XO
DVDD
DGND
LVDD
LGND
AVDD
AGND
AVDD_PLL
AGND_PLL
LVDS Swing Control
This pin sets the swing level of the LVDS outputs. A 2.4KOhm
resistor should be connected between this pin and LGND using
short and wide traces.
Crystal Input/External Reference Input
A parallel resonant 14.31818 MHz crystal (+/-1000 ppm) should
be attached between this pin and XO. Alternatively, an external
CMOS compatible clock may be used to drive the XI/FIN input.
Crystal Output
A parallel resonant 14.31818 MHz crystal (+/-1000 ppm) should
be attached between this pin and XI/FIN. However, if an external
CMOS clock is attached to XI/FIN, XO should be left open.
Digital Supply Voltage (2.5V)
Digital Ground
LVDS Supply Voltage (3.3V)
LVDS Ground
Analog Supply Voltage (2.5V)
Analog Ground
LVDS PLL Supply Voltage (3.3V)
LVDS PLL Ground
201-0000-064 Rev. 2.3, 9/22/2008
5

5 Page

CH7308A-TF arduino
CHRONTEL
CH7308
2.7.1 NAND Tree Test
CH7308 provides “NAND TREE Testing” to verify IO cell functions at the PC board level. This test will check the
interconnect between the chip’s I/O and the printed circuit board for faults (soldering, bent leads, open printed
circuit board traces, etc.). The NAND tree test is a simple serial logic which turns all IO cell signals to input mode,
connects all inputs with NAND gates as shown in Figure 6 and switches each signal to high or low according to the
sequence in Table 7. The test results are then passed out of pin 48 (SDVO_STALL-). This test is enabled when the
BSCAN pin (pin 63) is set to “1”.
Figure 5: NAND Tree Connection
Testing Sequence
Set BSCAN = 1; (internal weak pull low)
Set all signals listed in Table 7 to 1.
Set all signals listed in Table 7 to 0, toggle one by one with a suggested time period of 200 ns.
Pin 48 will change its value each time an input value changed.
201-0000-064 Rev. 2.3, 9/22/2008
11

11 Page





PáginasTotal 22 Páginas
PDF Descargar[ CH7308A-TF.PDF ]

Enlace url


Hoja de datos destacado

Número de piezaDescripciónFabricantes
CH7308A-TFLVDS TransmitterChrontel
Chrontel
CH7308A-TF-TRLVDS TransmitterChrontel
Chrontel

Número de piezaDescripciónFabricantes
SLA6805M

High Voltage 3 phase Motor Driver IC.

Sanken
Sanken
SDC1742

12- and 14-Bit Hybrid Synchro / Resolver-to-Digital Converters.

Analog Devices
Analog Devices


DataSheet.es es una pagina web que funciona como un repositorio de manuales o hoja de datos de muchos de los productos más populares,
permitiéndote verlos en linea o descargarlos en PDF.


Index : 0  1  2  3  4  5  6  7  8  9  A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z


www.DataSheet.es    |   2018   |  Privacy Policy  |  Contacto  |  Buscar