
5
AT/TSC8x251G2D
4135F–8051–11/06
Figure 3.
TSC80251G2D 44-pin VQFP Package
TSC80251G2D
P1.
4
/C
E
X
1/
SS
#
P1.
3
/C
E
X
0
P1.
2
/E
C
I
P1.
1
/T
2E
X
P1.
0
/T
2
VS
S1
VD
D
P0.
0
/A
D
0
P0.
1
/A
D
1
P0.
2
/A
D
2
P0.
3
/A
D
3
P
3
.7
/A
16/
RD#
XT
A
L
2
XT
A
L
1
VS
S
VSS
2
P2.
0
/A
8
P2.
1
/A
9
P2.
2
/A
10
P2.
3
/A
11
P2.
4
/A
12
P3
.6
/WR
#
33
32
31
30
29
28
27
26
23
24
25
1
2
3
4
5
6
7
8
11
10
9
12
13
14
15
16
17
18
19
20
21
22
44
43
42
41
40
39
38
37
36
35
34
P0.4/AD4
P0.5/AD5
P0.6/AD6
P0.7/AD7
EA#/VPP
PSEN#
ALE/PROG#
NMI
P2.7/A15
P2.6/A14
P2.5/A13
P1.5/CEX2/MISO
P1.6/CEX3/SCL/SCK/WAIT#
P1.7/A17/CEX4/SDA/MOSI/WCLK
RST
P3.0/RXD
AWAIT#
P3.1/TXD
P3.2/INT0#
P3.3/INT1#
P3.4/T0
P3.5/T1