Xerox WorkCentre Pro 412 Service Manual page 86

Circuit Description
AIN
AD C_REF T
ADC _REFB
12-bit
A / D c onv erter
AFE_CIP4
SRAM
1 024 x 8
( R/G/ B)
SRAM
8 192 x 8
( 2l ine)
I nterrupt
IRQ
Cont ro l
CPU I/ F
Mod ule
n CS n RD n WR
5-48
PI_TG
PI 1 PI 2
Sen so r
Int erfac e
Shadi ng
C orrec t io n
Gam ma
C orrec t io n
Enlarge men t
/ Redu c t ion
Vp eak
Cont ro l
CIP4
Regis ter
A [ 5 : 0] D [ 15 : 0] n XDREQ
Block diagram of CIP4 (WorkCentre M15/M15i
3/03
EXT SRAM
Shadi ng
Ac qu isit io n
Vert ic al
D ec im at ion
SRAM
Imag e
256 x 8
Proc es s ing
Mo dule
SRAM
4 09 6 x16
(2 line )
Mo to r
Con tro l
D MA
Int erf ac e
SRAM
1 024 x 8
n XDACK
WorkCentre Pro 412, FaxCentre F12 &
SRA M_A[ 15:0]
SRA M_D[ 15: 0]
SRA M_nRD
SRA M_nWR
TX_A, B
n TX_A, B
TX_EN1, EN2
WorkCentre M15/M15i