Read Sharp AR-155 (serv.man13) Service Manual online
(7) MBCG46533-175 (IC 509) Pin Loyout
Pin#
Signal
Description
1:18
IA14:IA0
Image bus address
19
AI_LINEINT
Scanner line interuppt to
FX200 INT1 pin
FX200 INT1 pin
20
CEP_*LED
Chip select to image memory
21
AI_TRIG
Tigger signal to LC82103
22
AI_*IPDACK
DMA ack. sugnal to LC82103
23
IM_*WR
Write strobe to image
memory
memory
24
AI_CEP*DREQ
DMA request to FX200
25
AI_BACK
Bus ack.signal to LC8213
28
IP_CLK1
CLK1 of the LC82103
32
AI_*CEPDMAK
DMA ack.signal from FX200
33
IM_IPDREQ
DMA request from LC82103
34: 42
IDATA7: IDATA0
Image bus data
44
IM_IPSH
SH signal from LC82103
45
IM_BREQ
Bus request from LC8213
46
CEP_DREQ
DMA request from LC8213
47
CEP_*AEN
Address enable signal from
LC8213
LC8213
48
CEP_AST
Address strobe signal from
LC8213
LC8213
49
*RESET
Reset signal from LBP
engine
engine
51
VCKL
Not used
53
*DREADY
DREADY signal from LBP
54
ERROR
ERROR signal from LBP
55
*DCRDY
DCRDY signal from LBP
56
*HSYNC
Horizontal syc.signal from
LBP
LBP
57
*SCLK
SCLK signal from LBP
58
VSYNC
Vertical signal from LBP
59
PLL-CLK
Basic clock from PLL
62
*DDATA
Video data to LBP
63
*DSRDY
DSRDY signal from LBP
64
*SDATA
SDATA for LBP
65
RES-*ERR
RESERR to LBP
66
*DPAGE
DPAGE to LBP
67
*DPRIM
DPRIM to LBP
69
AI-*MWE
Write strobe to 16MDRAM
70
AI-*ICAS
L-CAS signal to 16MDRAM
71
AI-*UCAS
U-CAS signal to 16MDRAM
73
*ICAS
CAS signal from FX200
74
*IWEI
Write enable signal for even
byte on data bus
byte on data bus
75
*IWE0
Write enable signal for odd
byte on data bus
byte on data bus
76
FX1_*RSTO
Reset signal from FX164
77
AI_*IRD
read strobe to I/O device
78
AI_*IWR
write strobe to I/O device
80
AI_*SANWRL
Strobe signal for LD0:8 bus
81:89
LD0:LD7
Buffered AD bus for slow
devices access
devices access
90
AI_*CSIP
Chip select signal for
LC82103
LC82103
91
AI_*CSCEP
Chip select signal for LC8213
92
AI_*RDKRB
Read strobe signal for
74LS244
74LS244
93
AI_*FIFOA9
WPSFIFO address signal
Pin#
Signal
Description
94
AI_*CSCONF
Chip select signal for
64KSRAM
64KSRAM
95
AI_*WRLED
Not used
98
F2_*SEL1
Zone select signal from
FX200,
FX200,
99
F2_*SEL3
Zone select signal from
FX200
FX200
100
F2_*DMAK0
DMA ask.signal from FX200
101
F1_*DBE
Data buffer enable signal
from FX164
from FX164
102
F1_*DDIN
Status signal indicating the
direction of the data bus
from FX164
direction of the data bus
from FX164
103
F1_*RD
Read strobe signal from
FX164
FX164
104
F1_*WR
Write strobe signal from
FX164
FX164
108
F1_CTTL1
System clock from FX164
110
F1_*HLDA
Hold Ask. signal from FX164
111
F1_ALE
Address latch signal from
FX164
FX164
112:129
AD15:AD0
FX164 AD bus
132
*XINT
1284 INT signal
133
XSELECT
1284 SELECT signal
134
XPERR
1284 PERR signal
135
XBUSY
1284 Busy signal
136
XACK
1284 ACK signal
137
XFAULT
1284 FAUL signal
138:146
BPCDATA1:BPCDATA8
1284 buffered data
148
*XSTROBE
1284 STROBE signal
149
*XSLECTION
1284 SELECT IN signal
150
*XAUTOFD
1284 AUTOFD signal
151
AI_1284IN
1284 buffer direction control
signal
signal
152
AI_ECPINT
1284 interrupt signal to
FX200
FX200
153
AI_*DREQ
155
XTST
TEST pin
156
SW4M
FIFO RAM size select signal
157:174
AI_FIFOD0:
AI_FIFOD15
AI_FIFOD15
WIPS FIFO Data
175
AI_FIFO*WR
WPS FIFO write strobe
177
AI_FIFO*CAS
WPS FIFO CAS signal
178
AI_FIFO*RAS
WPS FIFO RAS signal
179:188
AI_FIFOA0:AI_FIFOA8
WPS FIFO address signal
190:193
AI_SMPH0:AI_SMPH3
Scanner motor phase signal
194:195
AI_CUR0:AI_CUR1
Scanner motor current
control signal
control signal
197
AI_*CLK2
CLK2 signal for CCD
198
AI_*CLK1
CLK1 signal for CCD
199
AI_*CLAMP
CLAMP signal for CCD
202
AI_*LAMPON
Scanner lamp control signal
203
AI_*TGCCD
TG signal for CCD
204
AI_*RSCCD
RS signal for CCD
205
PNL_*SCOVER
Scanner cover open signal
206
*B4SEN
B4 sensor signal (Not used
in not-Japan model)
in not-Japan model)
207
*PISEN
Paper in Sensor on Scanner
signal
signal
208
*ORSEN
Original sensor on scanner
signal
signal
AR-F151
11 – 18
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