Circuit Description
12/98
7 - 7
WorkCentre 385
Circuit Description
Main PBA
The main circuit that consists of CPU, MFP
controller (built-in 32bit RISC processor core:
ARM7TDMI) including various I/O device drivers,
system memory, scanner, printer, motor driver, PC
I/F, and FAX transceiver controls the whole
system. The entire structure of the main circuit is
as follows:
FIG. 7-1: ENTIRE STRUCTURE OF MAIN CIRCUIT FOR EACH KEY SIGNAL
/XDACK
/XDREQ
/SDIPCS
/RD, /WR
D0-D15
A0-A5
LIU_TXD
LIU_RXD
OPE_TXD
OPE_RXD
/CBSY
/EBSY
/EXITP
/EMSG
CCLK
EVIDEO
/READY
/PSYNRQ
/HSYNC
/CMSG
ENGINE
PBA
SCAN
IMAGE
PROCESSOR
MFP CONTROLLER
(KS32C6100)
/RST_OUT
LIU (STI9510)
OPE (Z8601)
MCLK(66MHZ)
/POR
RTC_EN
RTC_CLK
RTC_DATA
/FMEM_CS
/RD, /WR
D0-D31
A0-A18
/RD, /WR
D0-D7
A0-A14
/CASO-3
/RASO, 1
DWE
D0-D31
A0-A9
/MCS
/MIRQ
/RD, /WR
D0-D7
A0-A4
/RST_OUT
PPD0-PPD7
/MC_FAULT
MC_PERROR
MC BUSY
/MC ACK
MC_SELECT
/PP_INT
/MC_SELECT
/PP_AUTOFD
/PP_STROBE
PARALLEL
INTERFACE
(IEEE1284)
MODEM
DRAM
SRAM
FLASH
MEMORY
RTC
www.printcopy.info
www.printcopy.info
Содержание WorkCentre 385
Страница 2: ...www printcopy info w w w p r i n t c o p y i n f o...
Страница 4: ...www printcopy info w w w p r i n t c o p y i n f o...
Страница 20: ...WorkCentre 385 12 98 1 10 www printcopy info w w w p r i n t c o p y i n f o...
Страница 50: ...WorkCentre 385 12 98 3 18 www printcopy info w w w p r i n t c o p y i n f o...
Страница 100: ...WorkCentre 385 12 98 4 50 www printcopy info w w w p r i n t c o p y i n f o...
Страница 134: ...WorkCentre 385 12 98 6 22 www printcopy info w w w p r i n t c o p y i n f o...
Страница 182: ...WorkCentre 385 12 98 7 48 www printcopy info w w w p r i n t c o p y i n f o...