Intel 8XC196NP User Manual
B-5
SIGNAL DESCRIPTIONS
Figure B-4. 80C196NU 100-lead QFP Package
V
SS
A18 / EPORT.2
A19 / EPORT.3
WR# / WRL#
RD#
BHE# / WRH#
ALE
INST
READY
RPD
ONCE
PLLEN2
V
A19 / EPORT.3
WR# / WRL#
RD#
BHE# / WRH#
ALE
INST
READY
RPD
ONCE
PLLEN2
V
CC
V
SS
A8
A9
A10
A11
A12
A13
A14
A15
V
A9
A10
A11
A12
A13
A14
A15
V
SS
XTAL1
XTAL2
V
XTAL2
V
SS
P2.7 / CLKOUT
V
V
CC
P2.6 / HLDA#
P2.5 / HOLD#
P2.5 / HOLD#
AD1
AD2
AD3
AD4
AD5
AD6
AD7
V
CC
AD8
V
SS
AD9
AD10
AD11
AD12
AD13
AD14
AD15
A16 / EPORT.0
A17 / EPORT.1
V
CC
A2824-02
AD0
NC
RESET#
NMI
NC
A0
A1
A1
V
CC
V
SS
A2
A3
A4
A5
A6
A7
A3
A4
A5
A6
A7
V
CC
V
SS
PLLEN1
P3.0 / CS0#
P3.1 / CS1#
P3.2 / CS2#
P3.3 / CS3#
P3.1 / CS1#
P3.2 / CS2#
P3.3 / CS3#
V
SS
P3.4 / CS4#
P3.5 / CS5#
P3.5 / CS5#
P3.6 / EXTINT2
NC
P3.7 / EXTINT3
P1.0 / EPA0
V
CC
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
x
8XC196NU
View of component as
mounted on PC board
mounted on PC board
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
P1.1 / EPA1
P1.2 / EPA2
P1.3 / EPA3
P1.4 / T1CLK
P1.5 / T1DIR
V
CC
P1.6 / T2CLK
V
SS
P1.7 / T2DIR
P4.0 / PWM0
P4.1 / PWM1
P4.2 / PWM2
P4.3
V
CC
V
SS
P2.0 / TXD
P2.1 / RXD
P2.2 / EXTINT0
P2.3 / BREQ#
P2.4 / EXTINT1
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81