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Pinout
Tables 3 and 4 list the pin names with package loca-
tion for the 100-pin Plastic Quad Flat Pack (PQFP)
component Figure 4 depicts the PQFP package as
viewed from the top side of the component (i e con-
tacts facing down)
Tables 5 and 6 list the pin names with package loca-
tion for the 100-pin EIAJ Quad Flat Pack (QFP) com-
ponent Figure 5 depicts the QFP package as viewed
AD Bus
Name
Pin
AD0
73
AD1
72
AD2
71
AD3
70
AD4
66
AD5
65
AD6
64
AD7
63
AD8 (A8)
60
AD9 (A9)
59
AD10 (A10)
58
AD11 (A11)
57
AD12 (A12)
56
AD13 CAS0
55
(A13 CAS0)
AD14 CAS1
54
(A14 CAS1)
AD15 CAS2
53
(A15 CAS2)
A16 S3
77
A17 S4
76
A18 S5
75
A19 S6 ONCE
74
Table 3 PQFP Pin Functions with Location
Bus Control
Name
Pin
ALE
52
BHE (RFSH)
51
S0
78
S1
79
S2
80
RD
50
WR
49
READY
85
DEN
47
DT R
46
LOCK
48
HOLD
44
HLDA
45
INTA
34
Power and Ground
Name
Pin
V
13
CC
V
14
CC
V
38
CC
V
62
CC
V
67
CC
V
69
CC
V
86
CC
V
12
SS
V
15
SS
V
37
SS
V
39
SS
V
61
SS
V
68
SS
V
87
SS
80C186EC 188EC 80L186EC 188EC
from the top side of the component (i e contacts
facing down)
Tables 7 and 8 list the pin names with package loca-
tion for the 100-pin Shrink Quad Flat Pack (SQFP)
component Figure 6 depicts the SQFP package as
viewed from the top side of the component (i e con-
tacts facing down)
Processor Control
Name
Pin
RESIN
8
RESOUT
7
CLKIN
10
OSCOUT
11
CLKOUT
6
TEST BUSY
83
(TEST)
PEREQ (V
)
81
SS
NCS (N C )
35
ERROR (V
)
84
CC
PDTMR
9
NMI
82
INT0
30
INT1
31
INT2
32
INT3
33
INT4
40
INT5
41
INT6
42
INT7
43
I O
Name
Pin
UCS
88
LCS
89
P1 7 GCS7
90
P1 6 GCS6
91
P1 5 GCS5
92
P1 4 GCS4
93
P1 3 GCS3
94
P1 2 GCS2
95
P1 1 GCS1
96
P1 0 GCS0
97
P2 7 CTS1
23
P2 6 BCLK1
22
P2 5 TXD1
21
P2 4 RXD1
20
P2 3 CTS0
19
P2 2 BCLK0
18
P2 1 TXD0
17
P2 0 RXD0
16
P3 5
29
P3 4
28
P3 3 DMAI1
27
P3 2 DMAI0
26
P3 1 TXI1
25
P3 0 RXI1
24
T0IN
3
T0OUT
2
T1IN
5
T1OUT
4
DRQ0
98
DRQ1
99
DRQ2
100
DRQ3
1
WDTOUT
36
15
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