MITSUBISHI MICROCOMPUTERS
3802 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Programmable input/output ports ............................................. 56
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DESCRIPTION
Interrupts .................................................. 16 sources, 16 vectors
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The 3802 group is the 8-bit microcomputer based on the 740 fam-
Timers ............................................................................. 8 bit ✕ 4
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ily core technology.
Serial I/O1 .................... 8-bit ✕ 1 (UART or Clock-synchronized)
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The 3802 group is designed for controlling systems that require
analog signal processing and include two serial I/O functions, A-D
converters, and D-A converters.
Serial I/O2 .................................... 8-bit ✕ 1 (Clock-synchronized)
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PWM................................................................................ 8-bit ✕ 1
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A-D converter .................................................. 8-bit ✕ 8 channels
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The various microcomputers in the 3802 group include variations
of internal memory size and packaging. For details, refer to the
section on part numbering.
D-A converter .................................................. 8-bit ✕ 2 channels
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Clock generating circuit ....................... Internal feedback resistor
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(connect to external ceramic resonator or quartz-crystal oscillator)
For details on availability of microcomputers in the 3802 group, re-
fer to the section on group expansion.
Power source voltage ..................................................3.0 to 5.5 V
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(Extended operating temperature version : 4.0 to 5.5 V)
Power dissipation ............................................................... 32 mW
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FEATURES
Memory expansion possible
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Basic machine-language instructions....................................... 71
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Operating temperature range .................................... –20 to 85°C
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The minimum instruction execution time ............................ 0.5 µs
(Extended operating temperature version : –40 to 85°C)
(at 8 MHz oscillation frequency)
Memory size
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APPLICATIONS
Office automation, VCRs, tuners, musical instruments, cameras,
ROM .................................................................. 8 K to 32 K bytes
RAM ................................................................. 384 to 1024 bytes
air conditioners, etc.
PIN CONFIGURATION (TOP VIEW)
49
32
P20/DB0
P21/DB1
P37/RD
P36/WR
50
31
51
30
P22/DB2
P35/SYNC
52
29
P34/φ
P23/DB3
53
28
P33/RESETOUT
P24/DB4
54
55
56
57
58
59
60
61
62
63
64
P32/ONW
27
26
25
24
23
22
21
20
19
18
17
P25/DB5
P26/DB6
P27/DB7
VSS
XOUT
XIN
P31/DA2
P30/DA1
VCC
VREF
AVSS
P67/AN7
P66/AN6
P65/AN5
P64/AN4
P63 /AN3
M38022M4-XXXFP
P40/INT4
P41/INT0
RESET
CNVSS
P42/INT1
Package type : 64P6N-A
64-pin plastic-molded QFP