Xerox WorkCentre Pro 412 Service Manual page 47

AIN
ADC_REFT
ADC_REFB
[ AFE]
12-bit
A/ D converter
SRAM
1 024 x 8
( R/G/ B)
SRAM
8 192 x8
( 2l ine)
Interrupt
IRQ
Contro l
CPU I/F
Mod ule
nCS nRD nWR
WorkCentre Pro 412
Launch Issue
R_LED,
G _LE D,
B_LED
PI_TG
PI1 PI2
Sen so r
Interface
Shadi ng
Correctio n
Gam ma
Correctio n
Enlarge men t
/ Redu ction
Vp eak
Contro l
CIP3
Register
A [5:0] D [15:0] nXDREQ
Block diagram of CIP3
August 2001
EXT SRAM
Shadi ng
Acqu isitio n
Vertical
Decimation
SRAM
Imag e
256 x 8
Processing
Mo dule
SRAM
4096 x16
(2 line )
Mo to r
Con tro l
DMA
Interface
SRAM
1 024 x 8
nXDACK
Circuit Description
SRAM_A[ 15:0]
SRAM_D[ 15: 0]
SRAM_nRD
SRAM_nWR
TX_A, B
nTX_A, B
TX_EN1, EN2
5-21