4-Bit Microcontroller with Built-in LCD Driver and Melody Circuit
GENERAL DESCRIPTION
The MSM64153A (1.5 V)/64153AL (3.0 V) is a high-performance 4-bit microcontroller that
incorporates Oki-original CPU core nX-4/20.
The MSM64153A/64153AL has an LCD driver for up to 144 segments, an event counter, and
melody circuits. It is best suited for applications such as clocks and LCD games.
• OTP version (for program evaluation) : MSM64P155/64P155L
(The package, power polarity, and operating voltage of the MSM64P155/64P155L are
different from the MSM64153A/64153AL. For details, refer to the "MSM64P155 User's
Manual".)
: 1 port ¥ 2 bits (pull-down resistor input/high-impedance
Note:Pins marked as (NC) are no-connection pins which are left open.
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¡ SemiconductorMSM64153A/64153AL
PAD CONFIGURATION
Pad Layout
54
53
36
35
Y
171
Chip Size: 4.08 mm ¥ 4.02 mm
Chip Thickness: 350 mm (typ.)
Coordinate Origin: Chip center
Pad Hole Size: 110 mm ¥ 110 mm
Pad Size: 120 mm ¥ 120 mm
Minimum Pad Pitch: 180 mm
Note: The chip substrate voltage is VDD.
X
1871
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¡ SemiconductorMSM64153A/64153AL
Pad Coordinates
Pad No.Y (µm)X (µm)Pad Name
1–1809–1697SEG5
2–1809SEG4
3SEG3
4SEG2
5SEG1
6SEG0
7V
SSL
8COM4
9COM3
10COM2
11COM1
12C2
13C1
14V
15V
16V
SS3
SS2
SS1
17TST3
18–1712TST2
19–1516TST1
20OSC0
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
OSC1–1123
P3.1–927
P3.0–730
P2.3–536
P2.2–338
P2.1–141
P2.055
P6.3251
P6.2448
P6.1644
P6.0840
RESET1036
P7.31233
P7.21429
P7.11625
361796P7.0
371585V
DD
381378MD1
391172MD1
40962MD0
Pad No.
411809755MD0
–1482547
–1270339
–1058131
–848–77
–637
–424
–201
10
222
430
641
854
1065
1275
1486
1697
–1809
–1809
–1809
–1809
–1809
–1809
–1809
–1809
–1809
–1809
–1809
–1809
–1809
–1809
–1809
1889
1889
1889
–1319
1889
1889
1889
1889
1889
1889
1889
1889
1889
1889
1889
421809SEG35
43SEG34
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
SEG33
SEG32
SEG31
SEG30
SEG29
SEG28
SEG27
SEG26
SEG25
SEG24
SEG23
SEG22
SEG21
SEG20
SEG19
SEG18
SEG17
SEG16
SEG15
SEG14
SEG13
SEG12
SEG11
SEG10
SEG9
SEG8
SEG7
SEG6
–284
–494
–701
–907
–1116
–1324
–1530
–1743
–1889
–1889
–1889
–1889
–1889
–1889
–1889
–1889
–1889
–1889
–1889
–1889
–1889
–1889
–1889
–1889
–1889
–1889
1889
1889
1889
1889
1809
1809
1809
1809
1809
Y (µm)X (µm)Pad Name
1809
1809
1809
1809
1809
1809
1809
1809
1809
1809
1809
1599
1409
1214
1019
829
639
449
260
70
–120
–310
–501
–693
–885
–1078
–1271
–1465
–1656
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¡ SemiconductorMSM64153A/64153AL
PIN DESCRIPTIONS
Basic Functions
Function
Power
Supply
Oscillation
Test
RESET
Pin
45
20
19
18
17
16
10
25
26
24
23
21
3932I
Pad
37
16
15
14
13
12
7
20
21
19
18
17
Symbol
V
DD
V
SS1
V
SS2
V
SS3
C1
C2
V
SSL
OSCO
OSC1
TST1
TST2
TST3
RESET
DescriptionType
—
Digital supply voltage (0 V)
—
Digital negative power supply (1.5 V spec.)
Bias output for LCD driver (3.0 V spec.)
—
Digital negative power supply (3.0 V spec.)
Bias output for LCD driver (1.5 V spec.)
Bias output for LCD driver (–4.5 V)
—
—
For connection to capacitors that generate bias for the
LCD driver
—
—
Negative power supply voltage pin for internal logic
(An internally generated constant voltage is present at this pin.)
I
Clock oscillation pins:
Either a crystal (32.768 kHz) and a capacitor (10 to 30 pF)
are connected to these pins or a resistor (1 MW) is.
O
I
Input pins for test
I
I
System reset input pin :
Setting this pin to "H" level puts this device into a reset state.
Then, setting this pin to "L" level starts executing an
instruction from address 0000H.
This pin is internally connected to V
SS1
or V
through a
SS2
pull-down resistor.
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¡ SemiconductorMSM64153A/64153AL
Basic Functions (continued)
PadPinDescriptionTypeFunction
Ports4-bit input port (port 2) :
31
30
2924
28
27
37
36
3528
42
41
4033
2733
26
25
23
22
3138
30
29
3644
35
34
Symbol
P2.0
P2.1
P2.2
P2.3
P3.0
P3.1
P6.0
P6.1
P6.2
P6.3
P7.0
P7.1
P7.2
P7.3
I
Select between pull-down resistor input and high impedance
input for each bit with the port 2 control register (P2CON).
When configured for secondary functions, an external
interrupt and capture circuit trigger input are allocated.
If P2.0 to P2.3 are set to "H" level, the device enters system
reset mode.
I2-bit input port (port 3) :
Select between pull-down resistor input and high impedance
input with the port 3 control register (P3CON).
When configured for a secondary function, an external
interrupt is allocated to P3.0 and an event counter is
allocated to P3.1.
4-bit input-output port (port 6) :
I/O
Select between input and output, between pull-down resistor
input and high impedance input, and between open-drain
output and CMOS output with the port 6 control register
(P6CON). When configured for a secondary function, an
external interrupt is allocated.
4-bit input-output port (port 7) :
I/O
Select between input and output, between pull-down
resistor input and high impedance input, and between
open-drain output and CMOS output with the port 7 control
register (P7CON). When configured for a secondary
function, an external interrupt is allocated.
Melody
Drivers
LCD
Drivers
13
12
118
1115
10
9
MD0
MD0
MD1
MD1
COM1
COM2
COM3
COM4
OOutput pin of melody driver 04048
OInverted output pin of MD0 output4149
OOutput pin of melody driver 13846
OInverted output pin of MD1 output3947
O
LCD common signal output pins
O
O
O
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¡ SemiconductorMSM64153A/64153AL
Basic Functions (continued)
LCD
Drivers
PadPinDescriptionTypeFunction
68
Symbol
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
O
LCD segment signal output pins
O57
O46
O35
O24
O13
O711
O7080
O6979
O6878
O6777
O6676
O6575
O6474
O6373
O6272
O6171
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
SEG32
SEG33
SEG34
O6070
O5969
O5868
O5767
O5666
O5565
O5464
O5362
O5261
O5160
O5059
O4958
O4857
O4756
O4655
O4554
O4452
O4351
SEG35
O4250
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