參數(shù)資料
型號: MSM63238-XXXTS-K
廠商: OKI ELECTRIC INDUSTRY CO LTD
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 2 MHz, MICROCONTROLLER, PQFP100
封裝: 14 X 14 MM, 0.50 MM PITCH, PLASTIC, TQFP-100
文件頁數(shù): 22/32頁
文件大小: 258K
代理商: MSM63238-XXXTS-K
Semiconductor
MSM63238
29/32
APPLICATION CIRCUITS
Note: VDDI is the power supply pin for the input, output, and input-output ports. VDDR is the
interface power supply pin for SIGIN, BS1, and BS2.
Be sure to connect the VDDI and VDDR pins either to the positive power supply pin (VDD)
of this device or to the positive power supply pin of the external memory.
Application Circuit Example with Power Supply Backup
XT0
XT1
XTM0
VDD
CB1
CB2
VDDL
RESET
TST1
TST2
VSS
OSC0
OSC1
ROS
Cb12
CV
CGM
5 to 25 pF
1.5 V
Cl
RC oscillation is selected as high-speed oscillation.
Ports and RF section are powered from
external memory power source.
CV is an IC power supply bypass capacitor.
Values of Cl, C2, CG, CGM, Ch, Cb12, and CV are
for reference only.
VDDI
P4-7
P9, PA
P8.0
P8.1
VDD
A15-0
D7-0
RD
WR
VSS
LCD Module
ROM
SRAM
EEPROM
5.0 V
76.8 kHz
Crystal
Push SW
MSM63238
P3
P2
PC
PD
Key Matrix
LED
Vibrator
UART
VDD
VSS
VDD
VSS
RF Section
TST3
XTSEL1
XTSEL0
XTM1
Ch
32.768 kHz
Crystal
CG
5 to 25 pF
VDDR
SIGIN
BS1
BS2
VDD2
C2
VDDH
1.0 mF
0.1 mF
1.0 mF
0.1 mF
Open
External
Memory
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