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參數(shù)資料
| 型號(hào)： | ML63P238 |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | 4-Bit Microcontroller with Built-in 16K Word PROM, POCSAG Decoder, and Melody Circuit(帶內(nèi)置16K字PROM，POCSAG譯碼器和音頻電路的4位微控制器) |
| 中文描述： | 4位微控制器內(nèi)置16K的Word中胎膜早破，POCSAG碼解碼器，和旋律電路（帶內(nèi)置16K的字胎膜早破，POCSAG碼譯碼器和音頻電路的4位微控制器） |
| 文件頁數(shù)： | 27/28頁 |
| 文件大小： | 173K |
| 代理商： | ML63P238 |
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Semiconductor
MSM63P238
27/28
Note:
V
DDI
is the power supply pin for the input, output, and input-output ports. V
DDR
is the
interface power supply pin for SIGIN, BS1, and BS2.
Be sure to connect the V
DDI
and V
DDR
pins either to the positive power supply pin (V
DD
)
of this device or to the positive power supply pin of the external memory.
Application Circuit Example with No Power Supply Backup
XT0
XT1
XTM0
V
DD
CB1
CB2
RESET
TST1
TST2
TST3
V
SS
C
V
3.0 V
Ceramic oscillation is selected as high-speed oscillation.
Ports and RF section are powered from
external memory power source.
C
V
is an IC power supply bypass capacitor.
Values of C
l
, C
2
, C
G
, C
V
, C
L0
, and C
L1
are for
reference only.
V
DDI
P4-7
P9, PA
P8.0
P8.1
V
DD
A15-0
D7-0
RD
WR
V
SS
LCD Module
ROM
SRAM
EEPROM
32.768 kHz
Crystal
Push SW
MSM63P238
P3
P2
PC
PD
Key Matrix
LED
Vibrator
UART
V
SS
V
DD
V
DD
V
SS
RF Section
XTSEL1
XTSEL0
XTM1
C
2
C
G
12 to 30 pF
OSC0
OSC1
C
L0
C
L1
Ceramic
Resonator
V
DDR
SIGIN
BS1
BS2
V
DDH
C
l
V
DDL
V
DD2
30 pF
0.1
m
F
0.1
m
F
0.1
m
F
Open
Open
30 pF
External
Memory
APPLICATION CIRCUITS (continued)
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