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MFC2000 Datasheet, PDF (184/426 Pages) List of Unclassifed Manufacturers – Multifunctional Peripheral Controller 2000
MFC2000 Multifunctional Peripheral Controller 2000
Hardware Description
Manufacturer
Part #
Type
Resolution
Pixels
Scan time (color)
Scan time (B/W)
Data Rate
Main clock ‘H’ duty
Timing:
NEC
•PD3794
CCD
300 dpi
2700 x 3
4 MHz (max)
Interface:
Scanner
•TG[3:1]
SEL1
SEL2
•RB
•1
•2
Description
LED control
Start pulse
Color selector1
Color selector2
Reset clock
Shift register clock 1
Shift register clock 2
MFC2000
LEDCtrl[0]
start[0]
LEDCtrl[1]
LEDCtrl[2]
clk2a
clk2b
clk2c
50 ns
ihsclk
dotscaler_ctr
0
dotperiod_ctr 4 0 1 2 3 4 0 1 2 3 4 0 1 2 3 4
clk2a
clk2b
clk2c
PixelTime = 250 ns
clk1
start[0]
start[0]
LEDCtrl[2:1] 3
scanin
LEDCtrl[0]
5000 ns (guardband)
1000 ns
(offset)
3000 ns
(length)
1000 ns
LineTime =1 ms
2
14 dummy + 48 black + 2 invalid pixels
envelope of analog signal
SigTime = 0.675 ms
ExpTime = ~1 ms
can be modulated
250 ns
1
0
2700
3904
pixel counter
3936
Figure 7-19. Untitled Timing Diagram
7-36
Conexant
100723A