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TVP3703FN Datasheet

  • TVP3703FN

  • VIDEO INTERFACE PALETTE TRUE-COLOR CMOS RAMDAC

  • 298.85KB

  • 21頁(yè)

  • TI

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TVP3703
VIDEO INTERFACE PALETTE
TRUE-COLOR CMOS RAMDAC
SLAS100 鈥?MARCH 1996
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Fully Integrated Dual Clock Synthesizer
and 16-Bit Pixel Port True-Color RAMDAC
Two Phase-Locked-Loop (PLL)
Synthesizers Provide Independently
Controlled Video and Memory Clock
Outputs
Functionally Interchangeable with STG1703
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鈥?/div>
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On-Chip PLL Clock Reference Requires
Single External Crystal
16-Bit Pixel Port Supports VGA High-Color
and True-Color Standards Up to 170 MHz
Programmable Power-Down Features
On-Chip Cyclic Redundancy Check (CRC)
Test
description
The TVP3703 is a super video graphics array (SVGA) compatible, true-color CMOS RAMDAC with integrated
clock synthesizers that can provide the memory and pixel clock signals for a PC graphics subsystem. The video
clock can be one of two VGA base frequencies or fourteen Video Electronics Standards Association (VESA)
standard frequencies which can also be reprogrammed through the standard micro port interface.
The memory clock output is also user programmable at frequencies up to 80 MHz. The pixel modes supported
by the TVP3703 include:
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Serializing 16-bit pixel port providing 170 MHz, 8-bit and 73 MHz, 24-bit packed pixel modes using an
internal PLL
16-bit pixel port providing faster, high-color/true-color operation up to the 110 MHz sampling rate
8-bit pixel port providing standard SVGA and high-color/true-color modes up to the 110 MHz sampling rate
The 68 terminal FN package is designed to be interchangeable with the STG1703.
FN PACKAGE
(TOP VIEW)
GND
BLANK
D0
D1
D2
D3
D4
D5
D6
D7
WR
RS0
RS1
P14
PIXMIX
P15
NC
9 8 7 6 5 4 3 2 1 68 67 66 65 64 63 62 61
60
10
59
11
58
12
57
13
56
14
55
15
54
16
53
17
52
18
51
19
50
20
49
21
48
22
47
23
46
24
45
25
44
26
27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43
VCLK
VDD
XIN
XOUT
RD
P13
AVDD
GND
P12
SENSE
P11
P10
P9
P8
PCLK
VDD
MCLK
GND
P7
P6
P5
P4
P3
P2
P1
P0
REF
RS2
COMP
RSET
VS3
VS2
VS1
VS0
NC 鈥?No internal connection
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
VDD
NC
NC
NC
NC
NC
NC
NC
VDD
GND
GND
RED
GREEN
BLUE
GND
AVDD
STROBE
Copyright
漏
1996, Texas Instruments Incorporated
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
1

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