LSI 53C810A Computer Hardware User Manual


 
4-2 Signal Descriptions
Figure 4.1 LSI53C810A Pin Diagram
A slash (/) at the end of the signal name indicates that the active state
occurs when the signal is at a LOW voltage. When the slash is absent,
the signal is active at a HIGH voltage.
AD21
V
DD
-I
V
SS
-I
AD16
FRAME/
DEVSEL/
STOP/
V
SS
-I
V
SS
-I
AD13
AD12
V
DD
-I
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
IRDY/
TRDY/
Quad Flat Pack
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
AD20
AD19
AD17
C_BE2/
V
SS
-I
V
DD
-I
C_BE1/
AD15
V
SS
-I
AD10
AD18
V
SS
-I
PERR/
PA R
AD14
AD11
CLK
SERR/
SD0/
V
SS
-S
SD5/
SDP/
SBSY/
V
SS
-S
SSEL/
SREQ/
V
DD
-S
MAC/_TESTOUT
80
78
76
74
72
70
68
66
64
62
60
58
56
54
SD6/
SD7/
79
77
75
73
71
69
67
65
63
61
59
57
55
53
RST/
V
DD
-S
SD2/
SD4/
V
SS
-S
SATN/
SMSG/
V
SS
-S
SIO/
SD1/
SD3/
SACK/
SRST/
SCD/
V
SS
-I
C_BE0/
V
SS-
I
V
DD-
I
AD1
V
DD
-C
IRQ/
AD3
V
SS
-I
AD9
AD8
AD6
AD4
AD2
AD0
V
SS
-C
AD7
AD5
GPIO0_FETCH/
GPIO1_MASTER/ GNT
AD31
AD30
VSS-I
AD28
V
DD
-I
AD27
AD25
81
83
85
87
V
SS
-C
AD26
V
SS
-I
C_BE3/
IDSEL
AD22
V
SS
-I
89
91
93
95
97
99
V
DD
-C
REQ/
AD29
AD24
AD23
32
34
36
38
40
42
44
46
48
50
31
33
35
37
39
41
43
45
47
49
LSI53C810A
100-pin
TESTIN
SCLK
52
51
82
84
86
88
90
92
94
96
98
100