Xerox Phaser 3300, Руководство по обслуживанию

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Phaser 3300MFP Service Manual 2-25
Theory of Operation
ASIC
Items Specification
Process 0.13 um (STDH150)
Package
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496 PBGA (total pad number: 597 ea)
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Function pin: about 367pins
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PWR & GND pin: 130 pins ((130/496) x 100 = 26.2%)
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PWR & GND pad: 204 ea ((204/597) x 100 = 34.17%)
Voltage
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Core Voltage: 1.2 V
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I/O Pad Voltage: 3.3 V
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RTC Voltage: 3 V
CPU Core ARM 920T (I-Cache: 16 KB, D-Cache-16 KB)
Operating Freq.
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CPU Core: over 300 MHz
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Target System Bus: 100 MHz
SDRAMC
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32 Bits Only, 100 MHz
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5 Banks (Up to 128 MB per Bank)
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Feed-back clock (for SDRAM read) is appended
ROMC 4 Banks (Up to 16 MB per Bank)
IOC 6 Banks (Up to 16 MB per Bank)
DMAC 6 Channels (if CIP4e is not used, 4ch is available for external
DMA. If CIP4E is used (a4 DMA channel use), 2ch available
for external DMA)
HPVC
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Dual/Single Beam
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LVDS Pad (VDO, HSYNC)
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Support A4 600 dpi, multi-pass color.
PVC
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Dual/Single Beam
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LVDS Pad (VDO, HSYNC)
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Support A3 1200 dpi, multi-pass color.
UART 5 Channels (Channel 0 supports DMA/interrupt Operation)
INTERRUPT 6 External Interrupts, 26 Internal Interrupts
TIMER 6 System Timers
CIP4e
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300/400/600/1200 dpi CIS/CCD image sensor interface
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Color/Mono grey image, Binary image scan support
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600 dpi Color/Mono Copy support
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Image processing for High-End MFP, Digital Copier
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MH/MR/MMR CODEC function for fax
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Scan image: (max) A4 1200 dpi pixel processing
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Copy image: (max) A4 600 dpi pixel processing
NAND Flash
Controller
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8/16 Bits, H/W ECC Generation
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Auto Boot Mode (using internal SRAM, 4 KB)
MAC
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10M/100 Mbps
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Full IEEE 802.3 compatibility
GEU Graphic Execution Unit
RSH Fully Hardware Rotator/Scaler/Halftoner support
Engine Controller
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LSU Interface unit, contained APC function.
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Step Motor: 4 Phase
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PWM: 8 Channels
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ADC: 8 Channels
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BLDC clock support.
APC DAC (2 ea)