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C6845

Cast
Part Number C6845
Manufacturer Cast
Description CRT Controller Megafunction
Published Nov 7, 2008
Detailed Description C6845 CRT Controller Megafunction General Description The C6845 Cathode Ray Tube Controller (CRTC) interfaces a micropro...
Datasheet PDF File C6845 PDF File

C6845
C6845

Overview
C6845 CRT Controller Megafunction General Description The C6845 Cathode Ray Tube Controller (CRTC) interfaces a microprocessor to a raster-scan CRT display.
The C6845 is a synchronous, synthesizable VHDL megafunction, functionally equivalent to the Motorola www.
DataSheet4U.
com MC6845 CRT Controller.
The microprocessor access 19 registers (1 Address and 18 Data Registers) within the C6845 in order to provide video timing, refresh memory addresses, cursor, and light pen strobe signals.
CRT video timing signals include Vertical Sync (VS), Horizontal Sync (HS), and Display Enable (DE) output signals.
Refresh memory addressing includes Memory Address (MA[13:0]) and Row Address (RA[4:0]) output bu...


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