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Samsung Electronics
Service Manual
System Overview
3-10
IO Controller
6 Channels, Up to 16MB Address space per Bank
Programmable Timing per Bank
DMA Controller
6 Channels General Purpose DMA
HPVC Controller
Hyper Printer Video Controller
High Performance DMA-based Interface to Printer Engine
Support Dual/Single Beam LSU, LVDS Video Output
Support A3, 1200dpi
UART Controller
5 Channels Indepenent Full Duplex UART
Interrupt Controller
Support 6 External Interrupts
Support 26 Internal Interrupts
Timer Controller
6 System Timers and Watch Dog Timer for S/W Trap
Scanner Controller
300/400/600/1200dpi CIS/CCD Interface
Color/Mono grey image, Binary image scan support
600dpi Color/Mono Copy support
Image Processing for High-End MFP,Digital Copier
MH/MR/MMR CODEC for Fax
Scan image : A4 1200dpi processing
Copy image : A4 600dpi processing
MAC Controller
10/100Mbps
Full IEEE 802.3 compatibility
PPI Controller
IEEE1284 compliant parallel port interface
DMA-Based or Interrupt-Based operation
GEU Controller
Graphic Engine Unit for Banding support of Printer Language
Scan Line Buffer, Polygon Filling
CODEC Controller
2 Channels JBIG Encoding and Decoding
I2C Controller
1 Channel, Operated at max frequency 400kHz
RTC Controller
Engine Controller
LSU Control and Interface Unit
2 Channels STEP Motor Control Unit
8 Channels PWM Control Unit
8 Channels ADC Control Unit
2 Channels DAC Control Unit