A-5

SIGNAL DESCRIPTIONS
Figure A-2. 87C196LB 52-pin PLCC Package
P6.1 / EPA9 / COMP1
P6.0 / EPA8 / COMP0
P1.0 / EPA0 / T2CLK
P1.1 / EPA1
P1.2 / EPA2 / T2DIR
P1.3 / EPA3
V
REF
ANGND
P0.7 / ACH7 / PMODE.3
P0.6 / ACH6 / PMODE.2
P0.5 / ACH5 / PMODE.1
P0.4 / ACH4 / PMODE.0
P0.3 / ACH3
5
1
.S
UBP /
7
.4P / 51DA
#
L
RW
/
#R
W
/
NE
L
LP
/
2.
5P
#DR / 3.5P
V
PP
V
SS
)
er
o
c(
ELA
/
#VDA
/
0.5P
V
1SS
)trop(
1LA
TX
2L
A
TX
1DS
/
7.6P
1
CS
/ 6.
6P
0DS /
5.6P
0
CS
/ 4.
6P
A3361-03
AD14 / P4.6 / PBUS.14
AD13 / P4.5 / PBUS.13
AD12 / P4.4 / PBUS.12
AD11 / P4.3 / PBUS.11
AD10 / P4.2 / PBUS.10
AD9 / P4.1 / PBUS.9
AD8 / P4.0 / PBUS.8
AD7 / P3.7 / PBUS.7
AD6 / P3.6 / PBUS.6
AD5 / P3.5 / PBUS.5
AD4 / P3.4 / PBUS.4
AD3 / P3.3 / PBUS.3
AD2 / P3.2 / PBUS.2
46
45
44
43
42
41
40
39
38
37
36
35
34

xx87C196LB20

View of component as

mounted on PC board

8
9
10
11
12
13
14
15
16
17
18
19
20
1.S
UB
P
/
1
.3P
/
1
DA
0.SUB
P
/
0
.3P
/
0
DA
#TESER
#AE
V
1SS
)
trop
(
V
CC
REVP
/
DXT
/
0
.
2
P
#E
LAP
/
DXR
/
1
.
2P
#G
ORP
/ T
N
I
T
XE
/
2
.
2P
#CNIA
/
0
58
1
JXR
/
4
.
2P
REVPC
/
058
1
JXT
/
6
.2P
#T
CAP
/
TUOKLC
/ 7.2P
2
HCA
/ 2.0P
12
2
2
32
4
2
52
62
7
2
8
2
9
2
03
1
3
23
3
3
7
6
5
4
3
2
1
2
5
15
0
5
94
8
4
74