FS450, FS451
PRELIMINARY PRODUCT DESCRIPTION
JUNE, 2000, VERSION 1.2
3
COPYRIGHT
©
© 1999,2000 FOCUS ENHANCEMENTS, INC.
PRELIMINARY INFORM ATION
1. Table of Contents, Figures & Tables
1.
Table of Contents, Figures & Tables
3
2.
Architectural Overview
5
2.1 Oscillators and PLLs ........................... 5
2.2 Serial Control Port ............................... 6
2.3 Sync Control....................................... 6
2.4 Input and Output Frame Formats .......... 6
2.5 Color Space Converter and Scaler......... 7
2.6 Flicker Filter........................................ 7
2.7 Encoder.............................................. 7
2.8 YUV to RGB Converter......................... 7
3.
Typical System Configurations
8
3.1 GCC
⇒ TV Output Only.......................8
3.2 GCC or DVD Output Switched
⇒ TV.....9
3.3 Multiple Digital Video Sources Blended
⇒ TV ............................................... 10
4.
Pin Assignments
11
4.1 FS450
⇔ GCC Pin Mapping............... 12
5.
Pin Descriptions
13
6.
Control Register Definitions
16
6.1 Control Register Map ......................... 16
6.2 Control Register Definitions ................ 20
6.2.1
IHO - Input Horizontal Offset ...... 20
6.2.2
IVO - Input Vertical Offset.......... 20
6.2.3
IHW - Input Horizontal Width ..... 21
6.2.4
VSC – Vertical Scaling Coefficient21
6.2.5
HDSC, HUSC – Horizontal
Down/Up Scaling Coefficients .... 22
6.2.6
CR - Command Register ........... 23
6.2.7
SP - Status Port....................... 25
6.2.8
NCON - Numerator of NCO Word26
6.2.9
NCOD - Denominator of NCO Word
............................................... 27
6.2.10 APO, ALO, AFO - Auxiliary Pixel,
Line, and Field Offsets .............. 28
6.2.11 HSOUTWID, HSOUTST,
HSOUTEND - HSync Out Width,
Starting and Ending Edge.......... 29
6.2.12 SHP, FLK - Sharpness and Flicker
Filter ....................................... 32
6.2.13 REV - Revision Number............. 33
6.2.14 MISC - Miscellaneous Bits 34, 35
Register................................... 34
6.2.15 FIFOL, FIFOH - FIFO Status Port
Full/Empty............................... 35
6.2.16 FFO_LAT - FIFO Latency.......... 35
6.2.17 VSOUTWID, VSOUTST,
VSOUTEND - VSync Out Width,
Starting and Ending Edge.......... 36
6.2.18 CHR_FREQ - Chroma Subcarrier
Frequency ............................... 37
6.2.19 Chroma Phase, Miscellaneous Bits
45 ........................................... 38
6.2.20 Miscellaneous Bits Registers 46
and 47..................................... 39
6.2.21 HSync Width (48), Burst Width
(49) ......................................... 40
6.2.22 Back Porch Width (4A), Cb Burst
Amplitude (4B)......................... 40
6.2.23 Cr Burst Amplitude (4C),
Miscellaneous Bits Register 4D . 41
6.2.24 Black Level (4E)....................... 41
6.2.25 Blank Level (50)........................ 42
6.2.26 Number of Lines (57-58) ............ 42
6.2.27 White Level (5E)....................... 43
6.2.28 Cb Color Saturation (60)............ 43
6.2.29 Cr Color Saturation (62)............. 43
6.2.30 Tint (65)................................... 44
6.2.31 Width of Breezeway (69) ........... 44
6.2.32 Front Porch (6C)....................... 44
6.2.33 Active Video Line (71-72), First
Video Line (73)......................... 45
6.2.34 Miscellaneous Bits 74, Sync Level
(75) ......................................... 46
6.2.35 VBI Blank Level (7C)................. 47
6.2.36 SOFT_RST, ENC_VER - Encoder
Soft Reset, Encoder Version ..... 47
6.2.37 Misc. Bit Reg. 80, WSS Clock (81-
82), WSS Data F1(83-85).......... 48
6.2.38 WSS Data Field 0(86-88), WSS
Line Number Field 1 (89) ........... 49
6.2.39 WSS Field 0 Line Number, WSS
Level, Misc. Bits Reg. 8D (8A-8D)50
7.
Design and Layout Considerations
52
7.1 Pixel Phase Lock Loop ...................... 52
7.2 Video Output Filters........................... 52
7.3 Analog Power Supply Bypassing,
Filtering, and Isolation........................ 52
7.4 Power and Ground............................. 52
7.5 Interfacing to the FS450 in a Mixed
Voltage Environment .......................... 53
7.5.1
Interfacing to the SIO bus.......... 53
8.
Specifications
55
8.1 Absolute Maximum and Recommended
Ratings............................................. 55
8.2 Electrical Characteristics ................... 56
8.3 Switching Characteristics................... 57
9.
Mechanical Dimensions
58
9.1 100-Lead PQFP (KH) Package ........... 58
10.
Revision History
59
11.
Order Information
59
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