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M38512M4 Datasheet(PDF) 1 Page - Mitsubishi Electric Semiconductor

Part No. M38512M4
Description  SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER 
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Manufacturer  MITSUBISHI [Mitsubishi Electric Semiconductor]
Direct Link  http://www.mitsubishichips.com
Logo MITSUBISHI - Mitsubishi Electric Semiconductor

M38512M4 Datasheet(HTML) 1 Page - Mitsubishi Electric Semiconductor

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DESCRIPTION
The 3851 group is the 8-bit microcomputer based on the 740 fam-
ily core technology.
The 3851 group is designed for the household products and office
automation equipment and includes serial I/O functions, 8-bit
timer, A-D converter, and I2C-bus interface.
FEATURES
qBasic machine-language instructions ...................................... 71
qMinimum instruction execution time .................................. 0.5
µs
(at 8 MHz oscillation frequency)
qMemory size
ROM ............................................................................. 16 Kbytes
RAM .............................................................................. 512 bytes
qProgrammable input/output ports ............................................ 34
qInterrupts ................................................. 16 sources, 16 vectors
qTimers ............................................................................. 8-bit ! 4
qSerial I/O ....................... 8-bit ! 1(UART or Clock-synchronized)
qMulti-master I2C-bus interface (option) ....................... 1 channel
qPWM ............................................................................... 8-bit ! 1
qA-D converter ............................................... 10-bit ! 5 channels
qWatchdog timer ............................................................ 16-bit ! 1
qClock generating circuit ..................................... Built-in 2 circuits
(connect to external ceramic resonator or quartz-crystal oscillator)
3851 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
PIN CONFIGURATION (TOP VIEW)
Fig. 1 M38513M4-XXXFP/SP pin configuration
qPower source voltage
In high-speed mode .................................................. 4.0 to 5.5 V
(at 8 MHz oscillation frequency)
In high-speed mode .................................................. 2.7 to 5.5 V
(at 4 MHz oscillation frequency)
In middle-speed mode ............................................... 2.7 to 5.5 V
(at 8 MHz oscillation frequency)
In low-speed mode .................................................... 2.7 to 5.5 V
(at 32 kHz oscillation frequency)
qPower dissipation
In high-speed mode .......................................................... 34 mW
(at 8 MHz oscillation frequency, at 5 V power source voltage)
In low-speed mode ............................................................ 60
µW
(at 32 kHz oscillation frequency, at 3 V power source voltage)
qOperating temperature range.................................... –20 to 85°C
APPLICATION
Office automation equipment, FA equipment, Household products,
Consumer electronics, etc.
P40/CNTR1
P41/INT0
P42/INT1
P43/INT2
AVSS
P44/INT3/PWM
VREF
VCC
P31/AN1
P32/AN2
P00
P04
P05
P06
P07
P11
P12
P13/(LED0)
P14/(LED1)
P15/(LED2)
P10
P01
P02
P30/AN0
P33/AN3
P34/AN4
P03
40
41
42
22
23
24
25
26
27
28
29
30
31
32
34
35
36
37
38
39
33
3
2
1
21
20
19
18
17
16
15
14
13
12
11
9
8
7
6
5
4
10
P16/(LED3)
P17/(LED4)
P27/CNTR0/SRDY
P26/SCLK
P25/SCL2/TxD
P24/SDA2/RxD
P23/SCL1
P22/SDA1
CNVSS
P21/XCIN
P20/XCOUT
RESET
XIN
XOUT
VSS
Package type : FP ........................... 42P2R-A (42-pin plastic-molded SSOP)
Package type : SP ........................... 42P4B (42-pin shrink plastic-molded DIP)


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