Read Sharp AM-400 (serv.man5) Service Manual online
AM-400DE
5 – 3
OA-2000 (IC1) Terminal description (2/4)
No.
Pin name
I/O
Pin Description
65
CORE_VDD18
+1.8V digital
Power
66
VSS
GND digital
Ground
67
GP_F0/PO_PAGE_SYNC
Bidirectional
General Purpose IO/Print Page Synchronous Input
68
GP_F1/PO_LINE_SYNC
Bidirectional
General Purpose IO/Print Line Synchronous Input
69
GP_F2
Bidirectional
General Purpose IO
70
GP_F3
Bidirectional
General Purpose IO
71
IO_VDD33
+3.3V digital
Power
72
GP_F4
Bidirectional
General Purpose IO
73
GP_F5
Bidirectional
General Purpose IO
74
GP_F6
GND digital
General Purpose IO
75
GP_F7
+1.8V digital
General Purpose IO
76
VSS
GND digital
Ground
77
ROM_CS_L
Output
ROM Chip Select
78
SDRAM_DATA0
Bidirectional
SDRAM Data Bus
79
IO_VDD33
+3.3V digital
Power
80
SDRAM_DATA1
Bidirectional
SDRAM Data Bus
81
SDRAM_DATA2
Bidirectional
SDRAM Data Bus
82
SDRAM_DATA3
Bidirectional
SDRAM Data Bus
83
SDRAM_DATA4
Bidirectional
SDRAM Data Bus
84
CORE_VDD18
+1.8V digital
Power
85
VSS
GND digital
Ground
86
SDRAM_DATA5
Bidirectional
SDRAM Data Bus
87
SDRAM_DATA6
Bidirectional
SDRAM Data Bus
88
SDRAM_DATA7
Bidirectional
SDRAM Data Bus
89
SDRAM_DATA8
Bidirectional
SDRAM Data Bus
90
IO_VDD33
+3.3V digital
Power
91
SDRAM_DATA9
Bidirectional
SDRAM Data Bus
92
SDRAM_DATA10
Bidirectional
SDRAM Data Bus
93
SDRAM_DATA11
Bidirectional
SDRAM Data Bus
94
SDRAM_DATA12
Bidirectional
SDRAM Data Bus
95
VSS
GND digital
Ground
96
SDRAM_DATA13
Bidirectional
SDRAM Data Bus
97
SDRAM_DATA14
Bidirectional
SDRAM Data Bus
98
SDRAM_DATA15
Bidirectional
SDRAM Data Bus
99
SDRAM_DQMA0
Output
SDRAM IO Mask
100
IO_VDD33
+3.3V digital
Power
101
SDRAM_DQMA1
Output
SDRAM IO Mask
102
SDRAM_CS0_L
Output
SDRAM Chip Select 0
103
SDRAM_CKE
Output
SDRAM Clock Enable
104
SDRAM_CLK
Output
SDRAM Clock
105
VSS
GND digital
Ground
106
SDRAM_ADDR12
Bidirectional
SDRAM Address Bus
107
SDRAM_ADDR11
Bidirectional
SDRAM Address Bus
108
SDRAM_ADDR10
Bidirectional
SDRAM Address Bus
109
SDRAM_ADDR9
Bidirectional
SDRAM Address Bus
110
IO_VDD33
+3.3V digital
Power
111
SDRAM_ADDR8
Bidirectional
SDRAM Address Bus
112
SDRAM_ADDR7
Bidirectional
SDRAM Address Bus
113
SDRAM_ADDR6
Bidirectional
SDRAM Address Bus
114
SDRAM_ADDR5
Bidirectional
SDRAM Address Bus
115
VSS
GND digital
Ground
116
SDRAM_ADDR4
Bidirectional
SDRAM Address Bus
117
IO_VDD33
+3.3V digital
Power
118
SDRAM_CS1A_L
Output
SDRAM Chip Select 1
119
SDRAM_ADDR3
Bidirectional
SDRAM Address Bus
120
CORE_VDD18
+1.8V digital
Power
121
VSS
GND digital
Ground
122
SDRAM_ADDR2
Bidirectional
SDRAM Address Bus
123
SDRAM_ADDR1
Bidirectional
SDRAM Address Bus
124
SDRAM_ADDR0
Bidirectional
SDRAM Address Bus
125
SDRAM_BA1
Bidirectional
SDRAM Bank Select Address
126
IO_VDD33
+3.3V digital
Power
127
SDRAM_BA0
Bidirectional
SDRAM Bank Select Address
128
SDRAM_RAS_L
Bidirectional
SDRAM Row Address Strobe Command
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