Samsung SCX-1000I Service Manual page 64

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7-3 DUO-IP BLOCK DIAGRAM
AI N
AD C_REFT
ADC _REFB
10-bi t
A/D conver t er
SRAM
2560X 8
SRAM
512X 32
Ver t i cal
Reduct i on
M odul e
CPU I / F
M odul e
nCS
nRD
nW R
Samsung Electronics
R_LED ,
G _LED,
PI _TG
B_LED
PI 1
PI _RS
Sensor
Cont r ol
M odul e
Enl ar gem ent
/Reduct i on
M odul e
Col or
C or r ect i on
M odul e
Vpeak
Cont r ol
M odul e
Regi st er
M odul e
A[5: 0]
D [15: 0]
Shadi ng
Acqui si t i on
M odul e
2560x 10
Shadi ng
C or r ect i on
M odul e
G am m a
C or r ect i on
1024x 8
M odul e
I m age
Pr ocessi ng
M odul e
D M A
I /F
I nt er r upt
M odul e
nXD REQ
nXD AC K
Block Diagrams
SRAM
SRAM
SR A M _A[15: 0]
SR A M _D [7:0]
SR A M _nRD
SR A M _nW R
SRAM
256x 8
M ot or
TX_A, B
Cont r ol
nTX_A, B
M odul e
TX_EN 1, En2
Cont r ol
M odul e
I RQ
7-3

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