COP8TAB9 Datasheet, PDF (7/59 Pages) National Semiconductor (TI) – 8-Bit CMOS Flash Microcontroller with 2k Byte or 4k Byte Memory

Pinouts for 44-, 20- and 28-Pin Packages
Port
Type
Alt. Function
L0
I/O
MIWU/SDA
L1
I/O
MIWU/SCL
L2
I/O
MIWU
L3
I/O
MIWU
L4
I/O
MIWU
L5
I/O
MIWU
L6
I/O
MIWU
L7
I/O
MIWU
G0
I/O
INT
G1
I/O
WDOUT^a
G2
I/O
T1B
G3
I/O
T1A
G4
I/O
SO
G5
I/O
SK
G6
I
SI
G7
I
CKO
C0
I/O
MIWU
C1
I/O
MIWU
C2
I/O
MIWU
C3
I/O
MIWU
C4
I/O
MIWU
C5
I/O
MIWU
C6
I/O
MIWU
C7
I/O
MIWU
F0
I/O
F1
I/O
F2
I/O
F3
I/O
F4
I/O
F5
I/O
F6
I/O
F7
I/O
J0
I/O
J1
I/O
J2
I/O
J3
I/O
J4
I/O
J5
I/O
J6
I/O
J7
I/O
V_CC
GND
CKI
I
RESET
I
a. G1 operation as WDOUT is controlled by Option Register, bit 2.
In System
Emulation
Mode
Input
POUT
Output
Clock
V_CC
GND
RESET
44-Pin LLP^a
12
13
14
15
20
21
22
23
2
1
44
43
32
33
34
35
37
38
39
40
16
17
18
19
4
5
6
7
8
9
10
11
24
25
26
27
28
29
30
31
42
41
36
3
28-Pin SOIC^a 20-Pin SOIC^a
18
12
19
13
20
14
21
15
22
16
23
17
24
18
25
19
12
10
11
9
10
8
9
7
2
20
3
1
4
2
5
3
14
15
16
17
26
27
28
1
8
6
7
5
6
4
13
11
7
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