Sharp FO 4400 - B/W Laser - All-in-One Service Manual page 97

LC272D0BT-WA6 (IC6) Terminal description (2/2)
PIN I/O Name
109 P VSS
110 I TEST0
111 I TEST1
112 I XINSC
113 O XOUTSC
114 P VSS
115 O TOUT
116 O LININT
117 O SAMP
118 O SH
119 O CLK1
120 P AVDD
121 P AVSS
122 I ADREFL
123 I TEMP
124 I AVO
125 O ATAPH
126 P AVDD
127 P AVSS
128 P VDD
129 P VSS
130 O PLTSW
131 O BKLON
132 I SEN7
133 I SEN6
134 I SEN5
135 I SEN4
136 I SEN3
137 I SEN2
138 I SEN1
139 I SEN0
140 B LD15
141 B LD14
142 B LD13
143 B LD12
144 P VDD
145 P VSS
146 B LD11
147 B LD10
148 B LD9
149 B LD8
150 B LD7
151 B LD6
152 B LD5
153 B LD4
154 B LD3
155 B LD2
156 B LD1
157 B LD0
158 O TXB
159 O TXBI1
160 O TXBI0
161 O TXA
162 P VDD
Function
Ground
Test pin 0
Test pin 1
Image block Clock in
Image block Clock out
Ground
Test pin
Monitor for line interval signal
Monitor for sampling point
Line shift clock (CIS)
Transfor clock (CIS)
Power supply (Analogue)
Analogue Ground
Low reference voltage (ADC)
Temperature detect
Video signal for scanning
High reference voltage (ADC)
Power supply (Analogue)
Analogue Ground
Power supply
Ground
Plate SW detect
Back light on/off control
Key sense signal
Key sense signal
Key sense signal
Key sense signal
Key sense signal
Key sense signal
Key sense signal
Key sense signal
LED
LED
LCD drive signal
LCD drive signal
Power supply
Ground
Reserved
Reserved
Reserved
Reserved
LCD drive
LCD drive
LED/LCD drive
LED/LCD drive
Key matrix select/LED/LCD drive
Key matrix select/LED/LCD drive
Key matrix select/LED/LCD drive
Key matrix select/LED/LCD drive
Current direction (Phase B)
Current control 1 (Phase B)
Current control 0 (Phase B)
Current direction (Phase A)
Power supply
PIN I/O Name
163 P VSS
164 O TXAI1
165 O TXAI0
166 O CRNT0
167 O CRNT1
168 O XLBE
169 I XRESET
170 O XMANRES
171 O XNANDOPCS
172 O XNANDSTDCS Chip select (Standard memory)
173 O XNANDRD
174 O XNANDWR
175 O XWP0
176 O XWP1
177 O ALEO
178 O CLEO
179 I SHCK
180 P VDD
181 P VSS
182 I RXW
183 I XBS
184 I A25
185 I A24
186 I A23
187 I A22
188 I A21
189 I A20
190 I A13
191 I A12
192 I A11
193 I A10
194 I A9
195 I A8
196 I A7
197 I A6
198 P VDD
199 P VSS
200 I A5
201 I A4
202 I A3
203 I A2
204 I A1
205 I A0
206 B XWE0
207 B XOPDEN
208 B D15
209 B D14
210 B D13
211 B D12
212 B D11
213 B D10
214 B D9
215 B D8
216 P VDD
5 – 7
Function
Ground
Current control 1 (Phase A)
Current contorl 0 (Phase A)
Current change signal 0
Current change signal 1
Low byte(D7-D0) enable signal
System Reset Signal
Manual Reset Signal
Chip select (Optional memory)
Read signal (Nand flash)
Write signal (Nand flash)
Write protect (Standard)
Write protect (Optional)
Address latch enable (Flash memory)
Command latch enable (Flash memory)
CPU Outer bus Clock
Power supply
Ground
Read/Write signal
Bus cycle start signal
Address bus bit25
Address bus bit24
Address bus bit23
Address bus bit22
Address bus bit21
Address bus bit20
Address bus bit13
Address bus bit12
Address bus bit11
Address bus bit10
Address bus bit9
Address bus bit8
Address bus bit7
Address bus bit6
Power supply
Ground
Address bus bit5
Address bus bit4
Address bus bit3
Address bus bit2
Address bus bit1
Address bus bit0
D7-D0 select signal
Bus buffer enable control
Data bus bit15
Data bus bit14
Data bus bit13
Data bus bit12
Data bus bit11
Data bus bit10
Data bus bit9
Data bus bit8
Power supply
FO-4400U
FO-CS1