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MFC2000 데이터시트(PDF) 232 Page - List of Unclassifed Manufacturers

부품명 MFC2000
상세설명  Multifunctional Peripheral Controller 2000
PDF  426 Pages
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MFC2000 데이터시트(HTML) 232 Page - List of Unclassifed Manufacturers

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MFC2000 Multifunctional Peripheral Controller 2000
Hardware Description
10-2
Conexant
100723A
•
CS4n, CS3n, or CS2n may be used as the chip select signal for accessing registers in the external Print
ASIC (See Memory Map Section)
AMFPC
Print ASIC
AUXCLK
PRTIRQn
DMAREQ2
DMAACK2
System Data Bus
System Address Bus
CS
Figure 10-1. Print ASIC Interface
10.1.1 Examples
10.1.2 Motor Control Examples of the Inkjet Print Head Module
Vertical Movement
The vertical motor stepping control logic in the MFC2000 may be used for the Inkjet printing (See Section 12.1).
For Laser printing, this internal vertical motor stepping control logic is not used.
Horizontal Movement
The horizontal stepper motor control logic or the horizontal DC motor control logic should be in the external print
ASIC.
Whenever the external print ASIC needs the new timer value(s) or the PWM value(s) which is used to control the
time interval between steps or the DC motor speed, the external print ASIC generates the interrupt (PRTIRQn) to
the MFC2000 ASIC. Then, the MFC2000 CPU will write the new timer value(s) to the register(s) in the external
print ASIC in the interrupt subroutine.



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