Sharp FO-5700, Руководство по обслуживанию, Страница: 53 / 140

FO-5700U
5 – 9
PIN I/O Name Function
101 – GND Ground
102 O2M XEXCS Chip select (spare)
103 I XCDCINT Interrupt request signal from CODEC
104 I XCDCDRQ DMA request signal (CODEC)
105 O2M XCDCCS Chip select (CODEC)
106 O XWR System write output
107 O2M FLBK4 Bank control 4
108 O2M FLBK3 Bank control 3
109 O2M FLBK2 Bank control 2
110 O2M FLBK1 Bank control 1
111 IU XFLBSY Flash memory busy signal input
112 IU FLSZ0 Input port
113 IU FLSZ1 Input port
114 O2M XFLSTD Chip select (flash standard)
115 O2M XFLOPT Chip select (flash option)
116 IU XCI Input port
117 IU XRHS Input port
118 IU XEXHS Input port
119 TO DPON Output port
120 – GND Ground
121 TO TXMUTE Output port
122 IU HSDTCT Input port
123 TO MPXC Output port
124 TO MPXB Output port
125 TO DPMUTE Output port
126 IU PCDTCT Input port
127 TO FAXPCSL Output port
128 O2M XD9001CS Chip select (PC I/F D9001)
129 O2M XD9001RW Read signal to D9001 (PC I/F)
130 O2M XD9001WR Write signal to D9001 (PC I/F)
LZ9FJ59 (IC17) Terminal list
PIN I/O Name Function
131 O2M XD6004RD Read signal to D6004 (PC I/F)
132 O2M XD6004WR Write signal to D6004 (PC I/F)
133 O2M D6004ALE Address strobe signal to D6004 (PC I/F)
134 – GND Ground
135 IO AD7 PC I/F address/data input/output
136 IO AD6 PC I/F address/data input/output
137 IO AD5 PC I/F address/data input/output
138 IO AD4 PC I/F address/data input/output
139 IO AD3 PC I/F address/data input/output
140 IO AD2 PC I/F address/data input/output
141 – GND Ground
142 – VDD Power supply
143 IS CK16M 16MHz clock input
144 ID TEST1 Test terminal
145 IO AD1 PC I/F address/data input/output
146 IO AD0 PC I/F address/data input/output
147 IU XB4FRS Input port
148 IU XFRSNS Input port
149 IU XORGSNS Input port
150 IU XROLSNS Input port
151 I PRTSNS1 Input port
152 TO CDCMSK Output port
153 TO PLG0ON Plunger 0 control
154 TO PLG1ON Plunger 1 control
155 TO LEDON CIS LED light source control
156 IU XEXINT0 Interrupt request signal from PC I/F
157 IU XEXINT1 Interrupt request signal (spare)
158 I PCIFSL PC I/F select signal input
159 IO2M IOP0 Input port (spare)
160 – GND Ground
I : Input terminal (TTL level input)
IS : Input terminal (TTL level schmitt input)
IU : Input terminal (TTL level input, pull up resistor 250 K
Ω
building in)
ID : Input terminal (TTL level input, pull down resistor 250 K
Ω
building in)
IO : Input/output terminal (TTL level input, output electric current: I
OL
=4.0 mA)
IO2M : Input/output terminal (TTL level input, output electric current : I
OL
=2.0 mA)
O : Output terminal (Output electric current: I
OL
=4.0 mA)
O2M : Output terminal (Output electric current: I
OL
=2.0 mA)
TO : Try-state output terminal (Output electric current: I
OL
=4.0 mA)
VDD : Power supply
GND : Ground