Samsung CLX-8640ND - Main Controller

2.ProductspecicationsandDescription
2.10.1.MainController
Themaincontrollerconsistsofthemainprocessor(Chorus4N),memory(DDR31GB),ash(128MB),1GEthernetPHY,
USB2.0HUB,Micom(Power/Fusercontrol),Scan/Video/UI/FAXsignalinterfaceconnection,motordrivingIC,Engine
signalinterfaceconnection,powerinterface.
Themainprocessor(DualCore1GHzCPU)controlsvideo,engine,UIdisplayandcommunicatesthevariousdevices.The
HDDisconnectedtothemaincontrollerbySATAcableandtotheotherdevice(DADF,TCF,Finisher,Modem)byUART.
1)MainControllerDiagram
32 0 GB
2.5 ”
P HY
US B DEVICE
Debg1
Debg2
S ATA
US B HOS T
P ORT2
US B
HUB
GL850
US B DEVICE
US B HOS T
CARD RE ADER
1Gb ps N/W
RGMII
NAND
128MB
CORTEX-A9
1GHz
CORTEX-A9
1GHz
ARM946
250MHz
32 /3 2 KB
32 /3 2 KB
8/8KB
L2 1MB
SRAM 256KB
ETHE
R
S ATA
NAND
BUS
DDR3
BUS
LS U
HP VC
P WM
MTR
GP IOI2C
US B
DEV
US B
HOS T
S P I UART
IP
Re CP 4
LCD
CONT
DDR3
1GB
32-b it
600Mh z
LS U
DADF
Mico m
S CANNER
CCD/AFE
TCF
S CF
Mico m
FINIS HER
MODEM
(S iLab )
UART
I
2
C
Ch 1
CC D I/F
MS OK
E
2
P ROM 32KB
XCRUM
Ch 0
S P I
AVR
S P I
US B HOS T
ü Re a l Tim e Co n tro l
. Scan /Engine/Fax
ü XOA Lin ux
S TEP MOT
BLDC MOT
DC MOT
S ENS ORS
CLUTCH
S OLENOID
FAN
GP IO
HVP S
P WM
CHOR US 4-N
Deve
YMCK
To n er
YMCK
Ch 2
m DDR
256MB
7” TFT
US B
HUB
US B
P HY
NAND
256MB
AM3 71 5
OP E
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