2. Product specification and description
2.2.5.1. Main board
A2000 chip is adopted as the main processor. Its process speed is 800 MHz. It is integrated engine controller, video
controller, scan controller.
DDR3 128MB is adopted for high speed data processing.
USB is the embedded type and wired network supports 100M full duplex.
[Main board diagram]
M a in
Board
Block D iagram
SL-C 480
series
A 2 0 0 0
Cortex-A9 800MHz
Cortex-R4 400MHz
RAM controller
GPIO
MAC
UART
I2C
Step Motor
Image Processor
Local controller
USB 2.0
ADC 8CH
LSU
controller
HPVC
PLL
EEPROM
32KB
Nand
Flash
128MB
C LO C K
G EN ER ATO R
SD A
SC L
DDR3
128MB
A4984
R EF_C LK
M C LK
U SB H _C LK
12M H z
C O N TR O L
C R U M
Y
C R U M
M
C R U M
C
C R U M
K
C R U M
Jo in t
&
O u ter
T E M P .
&
O P C
K E Y
3p
3p
3p
3p
6p
L S U
Pol
ygon M otor
LD B
¡¯
d
5p
9p
16p
U S B
H O S T
D IR E C T
U S B
D E V IC E
4p
5p
T 2
c lu tc h
2p
L A N
14p
N etew ork m odelonly
M O D E M
S pea k er
4in1 O nly
P ic k u p
c lu tc h
IT B
c lu tc h
D E V E
c lu tc h
C o n n ec tio n
I/ F
B ¡¯d
D E V E
H O M E
sen so r
R eg i
c lu tc h
2p
3p
24p
2p
2p
2p
10p
SD IO
12p
W -
L A N
M o d u le
W ireless M odelonly
C IS
16p
10p
B L D C
M o to r
(M A IN )
O P E
P A N E L
L C D
/
M IC O M
13p
S C A N
H O M E
S E N S O R
3p
IT B
H O M E
sen so r
&
In n er
T E M P .
5p
O u tb in
fu ll
sen so r
3p
W a ste
T o n er
T X
&
R X
H V P S
T 1
T 2
C H A R G E R
D eve
S u pply
D eve
B ia s
D eve
D r .B la d e
27p
4p
F A N
2p
F r o n t
C o ver
o pen
2p
F A N
N C
E X IT
sen so r
3p
E R A S E R
L A M P
2p
R ea r
C o ver
o pen
2p
S M P S
+24V /+5V
C ontrolSi
gnal
FuserAC
14p
F U S E R
LAM P
Therm i
stor
2p
2p
C T D
S E N S O R
S c a n
m o to r
3p
E m pty
sen so r
R eg i
sen so r
6p
3p
3p
2p
USB 3.0
5p
A D F
JO IN T
P B A
13p
3p
4p
P A P E R
P O S IT IO N
S E N S O R
P A P E R
D E T E C T IO N
S E N S O R
A D F
C O V E R
O P E N
S E N S O R
A D F
M O T O R
3p
3p
4in1 O nly
2-22
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