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EM78P468N/EM78P468L
8-Bit Microcontroller
3
Pin Assignment
(1) 64-Pin QFP
5
5
4
4
4
4
4
1
0
9
8
7
6
5
SEG28/P8.4
52
SEG27/P8.3
53
SEG26/P8.2
54
EM78P468NQ
SEG25/P8.1
55
SEG24/P8.0
56
SEG23/P7.7
57
SEG22/P7.6
58
SEG21/P7.5
59
SEG20/P7.4
60
SEG19/P7.3
61
SEG18/P7.2
62
SEG17/P7.1
63
SEG16/P7.0
64
1
2
3
4
5
6
7
Fig. 3-1 64-pin QFP
(3) 44-Pin LQFP
3
3
3
3
2
1
SEG27/P8.3
34
SEG26/P8.2
35
SEG25/P8.1
36
EM78P468NBQ
SEG24/P8.0
37
SEG23/P7.7
38
SEG22/P7.6
39
SEG21/P7.5
40
LQFP-44
SEG20/P7.4
41
SEG19/P7.3
42
SEG18/P7.2
43
SEG17/P7.1
44
1
2
3
Fig. 3-3 44-pin LQFP
2 •
4
4
4
4
4
3
3
3
3
3
3
3
4
3
2
1
0
9
8
7
6
5
4
3
32
31
30
29
28
27
26
QFP-64
25
24
23
22
21
20
1
1
1
1
1
1
1
1
1
1
8
9
0
1
2
3
4
5
6
7
8
9
3
2
2
2
2
2
2
2
0
9
8
7
6
5
4
3
22
P5.5/INT1
21
P5.4/INT0
20
19
18
17
16
15
14
13
12
1
1
4
5
6
7
8
9
0
1
(2)
64-Pin LQFP
4
4
8
7
NC
49
P5.4/INT0
SEG30/P8.6
50
XOUT
SEG29/P8.5
51
XIN
VDD
SEG28/P8.4
52
OSCO
SEG27/P8.3
53
R-OSCI
SEG26/P8.2
54
GND
SEG25/P8.1
55
/RESET
SEG24/P8.0
56
VLCD3
SEG23/P7.7
57
VLCD2
SEG22/P7.6
58
VA
SEG21/P7.5
59
VB
SEG20/P7.4
60
COM0
SEG19/P7.3
61
SEG18/P7.2
62
SEG17/P7.1
63
SEG16/P7.0
64
1
2
(4) 44-Pin QFP
3
3
SEG27/P8.3
34
SEG26/P8.2
35
SEG25/P8.1
36
XOUT
SEG24/P8.0
37
XIN
SEG23/P7.7
38
VDD
OSCO
SEG22/P7.6
39
R-OSCI
SEG21/P7.5
40
GND
SEG20/P7.4
41
/RESET
SEG19/P7.3
42
VLCD3
SEG18/P7.2
43
VLCD2
SEG17/P7.1
44
1
Product Specification (V1.5) 02.15.2007
(This specification is subject to change without further notice)
4
4
4
4
4
4
4
3
3
3
3
3
3
6
5
4
3
2
1
0
9
8
7
6
5
4
EM78P468NAQ
LQFP-64
1
1
1
1
1
1
3
4
5
6
7
8
9
0
1
2
3
4
5
Fig. 3-2 64-pin LQFP
3
3
3
2
2
2
2
2
2
2
2
1
0
9
8
7
6
5
4
3
EM78P468NCQ
QFP-44
1
1
2
3
4
5
6
7
8
9
0
1
Fig. 3-4 44-pin QFP
3
3
32
P5.4/INT0
31
XOUT
30
XIN
29
VDD
28
OSCO
27
R-OSCI
26
GND
25
/RESET
24
VLCD3
23
VLCD2
22
VA
21
VB
20
COM0
19
COM1
18
COM2
17
COM3
1
6
22
P5.5/INT1
21
P5.4/INT0
20
XOUT
19
XIN
18
VDD
17
OSCO
16
R-OSCI
15
GND
14
/RESET
13
VLCD3
12
VLCD2
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