Toshiba e-studio281c - General Description; System Block Diagram

e-STUDIO281c/351c/451c © 2005 - 2008 TOSHIBA TEC CORPORATION All rights reserved
OUTLINE OF THE MACHINE
2 - 22
2.4 General Description
2.4.1 System block diagram
Fig. 2-19
LGCSLGCCD
SNS
Laser unit
LDR
SYS
8
8
16
8
888
8
16
8
8
16168
Data-bus
Data-bus
Data-bus
8
Data-bus
32 32
32
32
32
PCI-bus
32
32
64 64
64
32
16 16
32
16
32
1616
Laser beam sensor
ASIC
PWM
ASIC
Image processing (ASIC)
Engine CPU
24MHz
Gate array
#2
Gate array
#1
SRAM
128KB
NVRAM
8KB
Flash ROM
512KB
Laser diode
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IPC/CNV
PFP/LCF
RADF
ADU Motors
HVT Clutches Sensors Solenoids
Switches
Bypass unit
Key counter
Copy key card
Finisher
Bridge unit
Bus transceiver
I/O
Finisher
CCD
ASIC
LVDS
receiver
Scanner CPU
22MHz
Flash ROM
512KB
SRAM
128KB
Amp Amp Amp
A/D A/D A/D
LVDS
driver
(R) (G/K-odd) (B/K-even)
FRAM
256KB
ASIC
ASIC
ASIC
Ether PHY
SRAM
512KB
Battery
RTC
Flash ROM
8MB
Flash ROM
8MB
ASIC
Control panel
HDD
Main memory
(DDR DIMM)
256MB
System CPU
600MHz
North bridge
(System controller)
Page memory
(DIMM)
Standard: 128MB
Page memory
(DIMM)
Option:128MB
LAN connector
(10BASE-T/100BASE-TX)
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(SYS1)
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(SYS2)
PSTN
External TEL
PSTN
PCI slot
Scrambler board
USB connector (device)
USB connector (host: external)
USB connector (host: internal)
Parallel interface
kit
Wireless LAN
module
Bluetooth
module
NCU
(LINE-1)
NCU
(LINE-2)
Modem
FAX
: Option
Parallel port
(IEEE-1284)
06/07