Sharp AR-5012 Service Manual page 76

PIN
Signal Name IN/OUT
No.
86 ie1284_parad0 IN/OUT I/F board
87 suspend OUT
88 vmin IN
89 vpin IN
90 rcv IN
91 oen OUT
92 vmout OUT
93 vpout OUT
94 tm2_15m
95 VCC(PLL) 3.3V Power
96 GND(PLL) Power
97 VCC(PLL) 3.3V Power
98 GND(PLL) Power
99 pfclk IN
100 VCC(CORE/DC) Power
3.3V
101 GND(CORE/DC) Power
102 ram_data0 IN/OUT SDRAM
103 ram_data1 IN/OUT SDRAM
104 ram_data2 IN/OUT SDRAM
105 GND(AC) Power
106 ram_data3 IN/OUT SDRAM
107 ram_data4 IN/OUT SDRAM
108 VCC(AC) 3.3V Power
109 ram_data5 IN/OUT SDRAM
110 ram_data6 IN/OUT SDRAM
111 GND(CORE/DC) Power
112 ram_data7 IN/OUT SDRAM
113 ram_data15 IN/OUT SDRAM
114 ram_data14 IN/OUT SDRAM
115 VCC(CORE/DC) Power
3.3V
116 ram_data13 IN/OUT SDRAM
117 ram_data12 IN/OUT SDRAM
Connected
Description
to
DATA bus (IEEE1284
connector communication port)
I/F board SUSPEND signal
connector (USB communication
port)
I/F board VMIN signal (USB
connector communication port)
I/F board VPIN signal (USB
connector communication port)
I/F board RCV signal (USB
connector communication port)
I/F board OEN signal (USB
connector communication port)
I/F board VMOUT signal (USB
connector communication port)
I/F board VPOUT signal (USB
connector communication port)
(Not used)
Clock
SDRAM (Image
process page
memory) data bus
SDRAM (Image
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memory) data bus
SDRAM (Image
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memory) data bus
SDRAM (Image
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memory) data bus
SDRAM (Image
process page
memory) data bus
SDRAM (Image
process page
memory) data bus
SDRAM (Image
process page
memory) data bus
SDRAM (Image
process page
memory) data bus
SDRAM (Image
process page
memory) data bus
SDRAM (Image
process page
memory) data bus
SDRAM (Image
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memory) data bus
SDRAM (Image
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memory) data bus
AR-5012 ELECTRICAL SECTION 13 - 6
PIN
Signal Name IN/OUT
No.
118 GND(CORE/DC) Power
119 ram_data11 IN/OUT SDRAM
120 ram_data10 IN/OUT SDRAM
121 VCC(CORE/DC)
3.3V
122 ram_data9 IN/OUT SDRAM
123 ram_data8 IN/OUT SDRAM
124 GND(AC) Power
125 ram_clk OUT
126 ram_cke OUT
127 xram_wde OUT
128 VCC(AC) 3.3V Power
129 GND(CORE/DC) Power
130 xram_cas OUT
131 xram_ras OUT
132 xram_cs OUT
133 VCC(CORE/DC) Power
3.3V
134 ram_banks0 OUT
135 ram_banks1 OUT
136 GND(CORE/DC) Power
137 ram_dqm0 OUT
138 ram_dqm1 OUT
139 ram_mad12 OUT
140 VCC(CORE/DC) Power
3.3V
141 ram_mad11 OUT
142 ram_mad9 OUT
143 GND(AC)
144 ram_mad8 OUT
Connected
Description
to
SDRAM (Image
process page
memory) data bus
SDRAM (Image
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memory) data bus
SDRAM (Image
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memory) data bus
SDRAM (Image
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memory) data bus
SDRAM SDRAM (Image
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memory) CLK signal
SDRAM SDRAM (Image
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memory) CKE signal
SDRAM SDRAM (Image
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memory) WDE signal
SDRAM SDRAM (Image
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memory) CAS signal
SDRAM SDRAM (Image
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memory) RAS signal
SDRAM (Image
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memory) CS signal
SDRAM SDRAM (Image
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memory) BANK signal
SDRAM SDRAM (Image
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memory) BANK signal
SDRAM SDRAM (Image
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memory) DQM signal
SDRAM SDRAM (Image
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memory) DQM signal
SDRAM SDRAM (Image
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memory) address bus
SDRAM SDRAM (Image
process page
memory) address bus
SDRAM SDRAM (Image
process page
memory) address bus
SDRAM SDRAM (Image
process page
memory) address bus