- FOCUS PC To TV Video Scan Converter Data Sheet Guides

FS453/4 AND FS455/6 DATA SHEET: HARDWARE REFERENCE
6. Control Register Function Map
Table 5 below lists the Control Register functions and register numbers. For more information about the
Control Registers, please consult the FS453/4 and FS455/6 Software / Firmware Reference.
6.1 Register Reference Table
The General Function labels of the FS453 registers are intended to help design engineers determine
which registers will affect specific functions of the FS453.
SDTV Input: FS453 input settings for SDTV applications
SDTV Output: FS453 SDTV output settings
HDTV Output: FS453 HDTV output settings
Control: FS453 control parameters
Clock: FS453 clock settings
Color Matrix: FS453 input color conversion matrix settings
QPR: The Quick Program Register (for rapid programming of the entire FS453)
General
Function
Name Offset Default Value
SDTV Input IHO 00h 0000h
SDTV Input IVO 02h 0000h
SDTV Input IHW 04h 02D0h
SDTV Input VSC 06h 0000h
SDTV Input HSC 08h 0000h
Control BYPASS 0Ah 0000h
Control CR 0Ch 0003h
Control MISC 0Eh 8000h
Clock NCON 10h 00020000h
Clock NCOD 14h 00020000h
Clock PLL M and Pump Control 18h 0409h
Clock PLL N 1Ah 00AEh
Clock PLL Post-Divider 1Ch 0505h
SDTV Input SHP 24h 0000h
SDTV Input FLK 26h 0000h
Control GPIO 28h 0000h
Control ID 32h FE05h
Control Status Port 34h 0008h
Control FIFO_SP 36h 0000h
SDTV Input FIFO_LAT 38h 0512h
SDTV Output CHR_FREQ 40h 1F7CF021h
SDTV Output CHR_PHASE 44h 00h
SDTV Output MISC_45 45h 00h
SDTV Output MISC_46 46h 09h
JANUARY, 2005, VERSION 3.0 21 COPYRIGHT ©2003-4 FOCUS ENHANCEMENTS, INC.
FOCUS Enhancements Semiconductor