1
4Bit Single Chip Microcontroller
DMC42C1106
DESCRIPTION
The DMC42C1106 is a 4-bit single chip
microcomputer designed with CMOS silicon
gate technology.
The DMC42C1106 includes such peripherals
as various timers, A/D converter (8ch), serial
communication interface (8bit),LCD Driver
on-chip oscillator and clock circuit.
It provides the hardware features, architectural
enhancements and instructions which are
necessary to make it a powerful and cost
effective controller for applications requiring
up to 64K bytes of program memory.
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
P02 / INT2
P01 / INT1 / TI1
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
31
32
64
63
62
61
60
59
58
57
56
55
SEG14
VLC0
VLC1
VLC2
COM0
COM1
COM2
COM3
SEG13
SEG12
SEG11
SEG10
SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
SEG1
SEG0
PA0 / AD0
PA1 / AD1
PA2 / AD2
PA3 / AD3
AV
DD
AV
SS
TEST
RESETB
DGRMEN
V
DD
PIN CONFIGURATION
P00 / INT0 / TI0
P13/BUZ
P12 / SO
P11 / SI
P10 / SCK
P23
64
63 62
61
60
59
58
57
56
55
54
53
52
P22
P21
P01/INT1/TI1
P00/INT0/TI0
P13 / BUZ
P12 / SO
P11 / SI
P10 / SCK
P23
P22
P21
P20 / CLO
PC3
PC2
P43
P42
P41
P40
PB3 / AD7
PB2 / AD6
PB1 / AD5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
PB0 / AD4
21 22 23
XI
XTI
XTO
24
XO
25
V
SS
26
V
DD
27
DGRMEN
28
RESETB
29
TEST
30
AV
SS
31
AV
DD
32
PA3 / AD3
51
50
49
48
47
46
45
44
COM2
COM3
SEG13
SEG12
SEG11
SEG10
SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
SEG1
SEG0
PA0 / AD0
PA1 / AD1
PA2 / AD2
P20 / CLO
PC3
PC2
P43
P42
P41
P40
PB3 / AD7
PB2 / AD6
PB1 / AD5
PB0 / AD4
XTI
XTO
XI
XO
V
SS
D
M
C
4
2
C
1
1
0
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
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33
DMC42C1106
43
42
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