Sharp AR-P13 Service Manual page 109

Printer & network unit for ar-650
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PLD (U3)
Pin160
PLD Pin Assign 1/2
Pin
Signal
1
GND
2
NC
3
SD0
4
SD1
5
SD2
6
SD3
7
SD4
8
SD5
9
SD6
10
GND
11
SD7
12
VCC
13
WBE0
14
WBE1
15
CS_OPTION0
16
CS_OPTION1
17
CS_OPTION2
18
25MHz
19
SYSCLK8
20
SYSTEM_RESET
21
ISPEN
22
SDI
23
SCLK
24
MODE
25
SA6
26
SA7
27
GND
28
SA15
29
SA22
30
SA28
120
121
Pin1
I/O
Pin
Signal
-
31
VCC
-
32
SA29
O
33
SA30
O
34
SA31
O
35
OE_B
O
36
DMAR0
O
37
DMAR4
O
38
DMAA4
O
39
TC4
-
40
DMAA0
O
41
XCVR_OE
-
42
DMAR5
I
43
DMAA5
I
44
TC5
I
45
GND
I
46
TC0
I
47
XCVR_DIR
I
48
OUT0
I
49
OUT1
I
50
OUT2
I
51
VCC
I
52
OUT3
I
53
NC
I
54
SW0
I
55
SW1
I
56
SW2
-
57
SW3
I
58
NC
I
59
LED0
I
60
LED1
81
40
I/O
Pin
Signal
-
61
LED2
I
62
LED3
I
63
GND
I
64
NC
I
65
EXT_INT0
I
66
INT1_NIC
I
67
INT2_NIC
I
68
RW_NIC
O
69
BRDIN_NIC
I
70
CS1_NIC
I
71
VCC
I
72
CS2_NIC
I
73
SEL_NIC_MEM
O
74
SEL_NIC_REG
-
75
NIC_RST
O
76
IDE_CS0
I
77
IDE_CS1
O
78
NEL
O
79
NEH
O
80
DIOR
-
81
GND
O
82
DIOW
-
83
IDE_DMAR
O
84
IDE_DMAA
O
85
PD_SDA
O
86
PD_SCK
O
87
PDIR
-
88
CS_1284
O
89
EBDIR
O
90
WAIT_1284
4-7
80
41
I/O
Pin
Signal
O
91
VCC
O
92
DTACK
-
93
XICOP_CS
-
94
XICOP_SI
O
95
XICOP_SCK
I
96
XICOP_OUT
I
97
NC
O
98
NC
O
99
NC
O
100
NC
-
101
NC
O
102
NC
O
103
NC
O
104
SDO
O
105
BYTESWAP
I
106
REC_RDY
I
107
GND
O
108
CIREQN
O
109
CIACKEN
I
110
COREQN
-
111
VCC
I
112
COACKN
I
113
CS_REC
I
114
REC_WE
I
115
DRIVEN
I
116
RB_IN
I
117
RDCO_OE
I
118
SD
O
119
RD_OE0
I
120
RD_OE1
I/O
-
O
I
I
I
I
-
-
-
-
-
-
-
I
O
O
-
O
O
O
-
O
I
O
O
I
O
I
-
O

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