GRAPHTEC FC7000-75 - Circuit Diagrams; Main Board Top Section

FC7000-UM-251-9370 11-3
11. BLOCK DIAGRAMS AND CIRCUIT DIAGRAMS
11.2 Circuit Diagrams
11.2.1 Main Board Top Section
MEMORY
MEMOR
Y
D[0..15]
A[0..21]
FR_BUSYZ
RASZ
CASLZ
CASHZ
RDZ
RDWR
EPROMDOUT
RESETZ
NVRAMCSZ
CS0Z
WRLZ
KROMCSZ
FANLOWZ
ENABLEZ
CONNECT1 CONNECT1
04OFS
04LEAD
CONNECT CONNECT
MENUZ
PENA
PENB
D[0..15]
MENULED
IOCS11Z
MC+
MC-
SFREE
PB[0..7]
LCDB[0..6]
TOMBO
PMDATA
PMCLK
PMCSZ
RESETZ
HOLDZ
YHOMEZ
PINCH
CAMZ
CUTMC-
CUTMC+
TOMBOMC+
TOMBOMC-
VIEWZ
POINTERIN
POINTEROUT
RMSLEDIN
RMSLEDOUT
DCDRIVER DCDRIVER
XCOMA
SFRZ
YCOMA
XCOMB
YCOMB
MC-
PCOMA
PCOMB
MC+
PENFB
FANLOWZ
FANONZ
IF IF
RXD0
CTS0Z
DSR0Z
TXD0
RTS-DZ
DTR-DZ
D[0..15]
A[0..21]
RDZ
WRLZ
CENCSZ
RESETZ
PB[0..7]
YHOMEZ
PINCH
CAMZ
FR_BUSYZ
PMDATA
PMCSZ
PHASE
ENABLEZ
T_REF
CUTENAZ
CUTPHASE
CUT_REF
TOMBOMC+
TOMBOMC-
CUTMC+
CUTMC-
PMCLK
MINE
ENB
IOCS12Z
FANONZ
GRC1507 GRC1507
XCOMB
D[0..15]
PNCOMA
CENCSZ
SRVINTZ
HOLDZ
CS2Z
YCOMA
SFREE
PNCOMB
RESET
RDZ
XCOMA
MENUZ
MENULED
WRLZ
YCOMB
CS1Z
SFRZ
PNENA
PNENB
A[0..21]
NVRAMCSZ
IOCS11Z
MENUINTZ
HOLDINTZ
KROMCSZ
USB1CSZ
MINE
ENB
IOCS12Z
VIEWZ
VIEWINTZ
USB_OPT
USB
_OPT
D[0..15]
A[0..21]
USB1CSZ
WRLZ
RDZ
RESETZ
USB1INTZ
CPU CPU
RDZ
WRHZ
WRLZ
CS1Z
RDWR
CS0Z
RESET
CASHZ
RASZ
CASLZ
A[0..21]
RXD0
TXD0
CTS0Z
DSR0
LCDB[0..6]
TOMBO
SRVINTZ
D[0..15]
MENUINTZ
CS2Z
DTR-DZ
RTS-DZ
RESETZ
EPROMDOUT
HOLDINTZ
PENFB
PHASE
04OFS
T_REF
CUTPHASE
CUT_REF
CUTENAZ
USB1INTZ
VIEWINTZ
POINTERIN
POINTEROUT
RMSLEDIN
RMSLEDOUT
04LEAD
VIEWZ
MENUZ
TOMBOMC-
CUTMC-
NVRAMCSZ RESET
Z
RESET
RESET
Z
MENUINTZ SRVINTZ HOLDINTZ
FR_BUSYZ
EPROMD
OUT
EPROMD
OUT
PENFB
PHASE 04OFS T_REF
CUTPHASE CUTENAZ CUT_REF
YHOMEZ
CAMZ
LCDB[0..6] RESET
Z
PINCH
T_REF ENABLEZ CUT_REF CENCSZ PHASE CAMZ CUTPHASE CUTENAZ FR_BUSYZ
PB[0..7]
PINCH RESETZ YHOMEZ
KROMCSZ
USB1INTZ IOCS12Z VIEWINTZ
NVRAMCSZ
A[0..21]
KROMCSZ USB1CSZ
D[0..15]
CENCSZ
IOCS12Z
RESET
SRVINTZ
VIEWINTZ HOLDINTZ MENUINTZ
IOCS11Z
POINTERIN
POINTERIN
IOCS11Z
POINTEROUT
POINTEROUT
RMSLEDIN
RMSLEDIN
RMSLED
OUT
RMSLED
OUT
RESETZ
USB1CSZ
USB1INTZ
ENABLEZ
04OFS 04LEAD
04LEAD
PENFB