Sharp AR-F152, Service Manual

Page: 139 / 170

(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
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
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
48 CEP_AST Address strobe signal from
LC8213
49 * RESET Reset signal from LBP
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
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
75
*
IWE0 Write enable signal for odd
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
90 AI_
*
CSIP Chip select signal for
LC82103
91 AI_
*
CSCEP Chip select signal for LC8213
92 AI_ * RDKRB Read strobe signal for
74LS244
93 AI_
*
FIFOA9 WPSFIFO address signal
Pin# Signal Description
94 AI_
*
CSCONF Chip select signal for
64KSRAM
95 AI_ * WRLED Not used
98 F2_ * SEL1 Zone select signal from
FX200,
99 F2_
*
SEL3 Zone select signal from
FX200
100 F2_ * DMAK0 DMA ask.signal from FX200
101 F1_ * DBE Data buffer enable signal
from FX164
102 F1_
*
DDIN Status signal indicating the
direction of the data bus
from FX164
103 F1_
*
RD Read strobe signal from
FX164
104 F1_ * WR Write strobe signal from
FX164
108 F1_CTTL1 System clock from FX164
110 F1_
*
HLDA Hold Ask. signal from FX164
111 F1_ALE Address latch signal from
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
152 AI_ECPINT 1284 interrupt signal to
FX200
153 AI_ * DREQ
155 XTST TEST pin
156 SW4M FIFO RAM size select signal
157:174 AI_FIFOD0:
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
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)
207
*
PISEN Paper in Sensor on Scanner
signal
208
*
ORSEN Original sensor on scanner
signal
AR-F152
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