Sharp UX-P115 - Page 48

UX-P115U
5 – 7
2.3. Panel control block
The following controls are performed by the SCE209.
• Operation panel key scanning
• Operation panel LCD display
2.4. Mechanism/recording control block
• Recording control block diagram (1)
Fig. 3
OPERATOR
PANEL,
KEYPAD,
LEDS & LCD
PRINTER DATA
CONTROL &
SENSORS
OPO[7:0]*
OPI[3:0]*
LEDCTL*
LCDCS*
TEST[1:0]
BATRSTN
RESETN
STRB[3:0]
STRBPOL
THADI
PDAT
PCLK
PLAT
ALTTONE
TSTCLK
REGDMA
WAITN
SYNC
PWRDWNN
PRINTER &
SCANNER
MOTOR DRIVERS
PM[3:0]*
SM[3:0]*
RTC
CRYSTAL
SCANNER
CONTROLS &
SENSORS
START
CLK2
CLK1
CLK1N
VIDCTL[1:0]
XIN
XOUT
INTERNAL
IA
LINE
INTERFACE
DRAM
SCANNER
VIDEO
PREPROCESSING
SERIAL SYNC
PORTS
(SSIF)
VIN
VREFP
VREFN
SSCLK[2:1]*
SSTXD[2:1]*
SSRXD[2:1]*
SSSTAT[2:1]*
SYNC/ASYNC
SERIAL PORT
SASIF
SASCLK*
SASTXD*
SASRXD*
GPIOGENERAL
PURPOSE I/O
DEBUGN
VDD
VDRAM
VBAT
VSS
FLASH MEMORY
(OPTION)
WRPROTN
FRDN*
FRWN*
FCLE*
FCSN[2:0]
D[7:0]
RDN
A[23:0]
WRN
ROMCSN
CS[5:0]N*
CAS[0,1]N, RASN, DWRN
SCE209
1-CHIP
FAX ENGINE
EXTERNAL BUS
IVREFP
IVREFN
ADVA
ADGA
CS3N,
CS4N**
D7[7:0]
TONE
INTPWRDWNEN
SYSCLK
CRYSTAL
SXIN
SXOUT
TELEPHONE
LINE
TXOUT
RXIN
FLASH
MEMORY
RDN, ROMCSN
NOTES: * ALTERNATIVE GPO, GPI OR GPIO LINES
**FOR SAMSUNG NAND-TYPE FLASH