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M38203E4

更新时间： 2024-11-06 22:51:43
品牌 Logo 应用领域
三菱 - MITSUBISHI 计算机
页数 文件大小 规格书
66页 1084K
描述
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

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M38203E4 数据手册

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MITSUBISHI MICROCOMPUTERS  
3820 Group  
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER  
LCD drive control circuit  
•
•
DESCRIPTION  
Bias ................................................................................... 1/2, 1/3  
Duty ............................................................................ 1/2, 1/3, 1/4  
Common output .......................................................................... 4  
Segment output ......................................................................... 40  
2 Clock generating circuit  
The 3820 group is the 8-bit microcomputer based on the 740 fam-  
ily core technology.  
The 3820 group has the LCD drive control circuit and the serial I/  
O as additional functions.  
The various microcomputers in the 3820 group include variations  
of internal memory size and packaging. For details, refer to the  
section on part numbering.  
Clock (XIN-XOUT) .................................. Internal feedback resistor  
Sub-clock (XCIN-XCOUT).......... Without internal feedback resistor  
(connect to external ceramic resonator or quartz-crystal oscillator)  
Watchdog timer ............................................................. 15-bit ✕ 1  
Power source voltage  
For details on availability of microcomputers in the 3820 group, re-  
fer to the section on group expansion.  
•
•
In high-speed mode ....................................................4.0 to 5.5 V  
(at 8MHz oscillation frequency and high-speed selected)  
In middle-speed mode ................................................2.5 to 5.5 V  
(at 8MHz oscillation frequency and middle-speed selected)  
In low-speed mode......................................................2.5 to 5.5 V  
(Extended operating temperature version: 3.0 V to 5.5 V)  
Power dissipation  
FEATURES  
Basic machine-language instructions ....................................... 71  
•
•
The minimum instruction execution time ............................ 0.5 µs  
(at 8MHz oscillation frequency)  
Memory size  
•
ROM .................................................................. 4 K to 32 K bytes  
RAM ................................................................. 192 to 1024 bytes  
•
•
In high-speed mode ........................................................... 32 mW  
(at 8 MHz oscillation frequency)  
Programmable input/output ports ............................................. 43  
•
Software pull-up/pull-down resistors (Ports P0-P7 except Port P40)  
•
In low-speed mode..............................................................45 µW  
(at 32 kHz oscillation frequency, at 3 V power source voltage)  
Operating temperature range ................................... – 20 to 85°C  
(Extended operating temperature version: –40 to 85°C)  
Interrupts .................................................. 16 sources, 16 vectors  
•
(includes key input interrupt)  
Timers ........................................................... 8-bit ✕ 3, 16-bit ✕ 2  
•
Serial I/O1 ..................... 8-bit ✕ 1 (UART or Clock-synchronized)  
•
Serial I/O2 .................................... 8-bit ✕ 1 (Clock-synchronized)  
•
APPLICATIONS  
Household appliances, consumer electronics, etc.  
PIN CONFIGURATION (TOP VIEW)  
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41  
65  
66  
67  
68  
69  
70  
71  
72  
73  
74  
75  
76  
77  
78  
79  
80  
40  
SEG15  
SEG14  
SEG13  
SEG12  
SEG11  
SEG10  
P2  
P2  
P2  
P2  
P2  
P2  
P2  
P2  
0
1
2
3
4
5
6
7
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
SEG  
9
SEG  
8
M38203M4-XXXFP  
V
CC  
V
X
X
SS  
SEG  
7
OUT  
IN  
SEG  
6
SEG  
SEG  
SEG  
SEG  
SEG  
5
4
3
2
1
P7  
P7  
0
1
/XCOUT  
/XCIN  
RESET  
P40  
P41  
/φ  
1
2
3
4
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24  
Package type : 80P6N-A  
80-pin plastic molded QFP  
1234567...66

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