參數(shù)資料
型號： TMC2376
廠商： Fairchild Semiconductor Corporation
英文描述： PC-to-TV Video Standards Converter(PC到TV視頻標準變換器)
中文描述： PC到電視視頻標準轉(zhuǎn)換器（電腦到電視視頻標準變換器）
文件頁數(shù)： 2/48頁
文件大小： 233K
代理商： TMC2376
TMC2376
PRODUCT SPECIFICATION
2
P
Table of Contents
Architectural Overview.............................................3
Video Capture Engine...................................................3
Frame Store Memory Controller...................................3
Video Encoder Engine..................................................3
Serial Control Port ........................................................3
Pin Assignments.......................................................4
128-Lead MQFP Package (TMC2376KB)...................4
Pin Descriptions........................................................5
Control Register Definitions ....................................8
Control Register Functions ...........................................8
Control Registers Definitions......................................10
Functional Description...........................................17
Capture Engine............................................................17
Timing and Control..............................................17
Clamps.................................................................18
Analog-to-Digital Converters..............................18
Internal Bit Pattern Generator..............................18
Digital RGB Multiplexer.....................................19
RGB Gain.............................................................19
RGB/YUV Matrix................................................19
Vertical Scaler......................................................19
Flicker Filter.........................................................19
Frame Store Controller................................................19
SDRAM Interface................................................20
Phase Locked Loop..............................................22
Input Offset and Size Control..............................22
Output Offset and Size Control............................22
Freeze Frame........................................................23
Zoom....................................................................23
Encoder Engine...........................................................23
Outgoing TV Formats..........................................23
Timing and Control..............................................24
Horizontal Scaler .................................................24
Digital Video Encoder.........................................24
YUV/RGB Matrix................................................24
Digital-to-Analog Converters..............................24
Serial Control Port (R-Bus).........................................24
Data Transfer via Serial Interface........................26
Serial Interface Read/Write Examples.................26
Equivalent Circuits .................................................27
Absolute Maximum Ratings...................................28
Operating Conditions .............................................29
Electrical Characteristics.......................................30
Switching Characteristics......................................31
System Performance Characteristics ...................32
Application Notes ...................................................33
Circuit Example - PC..................................................33
Design Example - TV .................................................33
Power and Ground ......................................................35
Printed Wiring Board Layout......................................36
Video Formats/Register Settings ..........................37
Incoming VGA Formats..............................................37
Programming Strategy ................................................38
Programming the Command Registers................38
Zoom Mode..........................................................38
Read Only Registers ............................................38
Programming the Parameter Registers........................38
Decision Tree.......................................................38
Parameter Register Values..........................................39
Mechanical Dimensions .........................................44
128-Lead MQFP (KB) Package..................................44
Ordering Information..............................................47
List of Tables and Figures
Table 1.
Control Register Map........................................ 8
Table 2.
Control Register Power-on Reset States........... 9
Table 3.
NTSC and PAL Frequencies........................... 23
Table 4.
NTSC and PAL 4f
SC
Clock Counts................ 23
Table 5.
NTSC and PAL Vertical Timing..................... 23
Table 6.
4x Clock Connections..................................... 24
Table 7.
Serial Port Addresses ...................................... 26
Table 8.
Supported VESA and Industry
Standard Timing Formats................................ 37
Table 9.
Command Register Settings............................ 38
Table 10.
Resolution Categories ..................................... 38
Table 11.
Format Subcategories...................................... 39
Table 12.
NTSC Parameter Register Values, 640x400... 39
Table 13.
PAL Parameter Register Values, 640x400...... 40
Table 14.
NTSC Parameter Register Values, 640x480... 40
Table 15.
PAL Parameter Register Values, 640x480...... 41
Table 16.
NTSC Parameter Register Values, 800x600... 41
Table 17.
PAL Parameter Register Values, 800x600...... 42
Table 18.
NTSC Parameter Register Values,
1024x768 Resolution ...................................... 42
Table 19.
PAL Parameter Register Values,
1024x768 Resolution ...................................... 43
Table 20.
Default BiPGEN Test Pattern Parameters....... 43
Figure 1. Functional Block Diagram.............................. 17
Figure 2. FAZE Sets ADCK Sampling Edge on
Incoming Pixels............................................... 18
Figure 3. BiPGen Chart.................................................. 18
Figure 4. Siting of YUV samples determined by
UVALT........................................................... 19
Figure 5. Frame Store Data Bus Format......................... 19
Figure 6. SDRAM Mode register setup.......................... 20
Figure 7. Frame Store Mode Register Write Timing...... 20
Figure 8. Frame Store Data Write Timing...................... 21
Figure 9. Frame Store Data Read Timing....................... 21
Figure 10. Frame Store Write Cycle with Auto Precharge...21
Figure 11. Timing Parameter Definition, SDRAM
Interface........................................................... 22
Figure 12. Input Offset and Size Definitions.................... 22
Figure 13. Output Horizontal and Vertical Offset
Definitions....................................................... 23
Figure 14. Zoomed image showing offsets ...................... 23
Figure 15. Serial Port Read/Write Timing........................ 25
Figure 16. Serial Interface – Typical Byte Transfer......... 25
Figure 17. 7-bit Slave Address with Read/Write Bit........ 25
Figure 18. 10-bit address transfer, upper two bits............ 25
Figure 19. 10-bit address transfer, lower eight bits.......... 25
Figure 20. Equivalent Digital Input Circuit...................... 27
Figure 21. Equivalent Digital Output Circuit................... 27
Figure 22. Equivalent A/D Input Circuit.......................... 27
Figure 23. Equivalent D/A Reference Input Circuit......... 27
Figure 24. Equivalent D/A Output Circuit ....................... 27
Figure 25. Video Filter Response..................................... 33
Figure 26. Video Filter Delay........................................... 33
Figure 27. TMC2376 Schematic, Reference
Configuration .................................................. 34
Figure 28. Reference Schematic, Microcontroller............ 35
Figure 29. Power Distribution Strategy............................ 36
Figure 30. Layout, Connection and Power
Distribution Strategy....................................... 36
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