msm63188a Oki Semiconductor, msm63188a Datasheet - Page 30

• Manufacturer Part Number: msm63188a
• Description: 4-bit Microcontroller With Built-in 1024-dot Matrix Lcd Drivers And Melody Circuit Msm63188a4-bit Microcontroller With Built-in 1024-dot Matrix Lcd Drivers And Melody Circuit, Operating At 0.9 V Min.
• Manufacturer: Oki Semiconductor

¡ Semiconductor
APPLICATION CIRCUITS
Note: V
C
G
25 pF
5 to
C
Buzzer
Be sure to connect the V
device or to the positive power supply pin of the external memory.
1.5 V
C
C
v
C
C
C
C
DDI
d
b
e
c
a
l
C
0.1 mF
C
b12
32.768 kHz
12
C
is the power supply pin for the input, output, and input-output ports.
Crystal
h
Push SW
Open
0.1 mF
0.1 mF
0.1 mF
0.1 mF
0.1 mF
0.1 mF
1.0 mF
Application Circuit Example with Power Supply Backup
1.0 mF
0.1 mF
XT0
XT1
V
V
CB1
CB2
V
V
V
V
V
V
C1
C2
RESET
TST1
TST2
MD
MDB
V
DDH
DD
DDL
DD5
DD4
DD3
DD2
DD1
SS
COM1-16
DDI
MSM63188A
pin either to the positive power supply pin (V
LCD
SEG0-63
P9, PA
OSC0
OSC1
P4-7
P3.3
P3.2
P3.1
P3.0
P2.3
P2.2
P2.1
P2.0
P1.3
P1.2
P1.1
P1.0
P0.3
P0.2
P0.1
P0.0
P8.0
P8.1
V
DDI
•RC oscillation is selected as high-speed
•Ports are powered from external memory
•C
•Values of C
oscillation.
power source.
C
h
v
, and C
is an IC power supply bypass capacitor.
R
OS
G
, are for reference only.
A15-0
D7-0
RD
WR
a
, C
b
(64K ¥ 8 bits)
, C
V
Memory
External
V
c
DD
, C
SS
d
, C
e
, C
MSM63188A
l
, C
DD
SW Matrix
(8 ¥ 8)
b12
) of this
, C
5.0 V
30/32
12
,