M38503M4 Datasheet, PDF (1/52 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
DESCRIPTION
The 3850 group is the 8-bit microcomputer based on the 740 fam-
ily core technology.
The 3850 group is designed for the household products and office
automation equipment and includes serial I/O functions, 8-bit
timer, and A-D converter.
FEATURES
qBasic machine-language instructions ...................................... 71
qMinimum instruction execution time .................................. 0.5 µs
(at 8 MHz oscillation frequency)
qMemory size
ROM ................................................................... 8K to 24K bytes
RAM ..................................................................... 512 to 640 byte
qProgrammable input/output ports ............................................ 34
qInterrupts ................................................. 14 sources, 14 vectors
qTimers ............................................................................. 8-bit ! 4
qSerial I/O ....................... 8-bit ! 1(UART or Clock-synchronized)
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)
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.
PIN CONFIGURATION (TOP VIEW)
VCC
1
VREF
2
AVSS
3
P44/INT3/PWM
4
P43/INT2
5
P42/INT1
6
P41/INT0
7
P40/CNTR1
8
P27/CNTR0/SRDY
9
P26/SCLK
10
P25/TxD
11
P24/RxD
12
P23
13
P22
14
CNVSS
15
P21/XCIN
16
P20/XCOUT
17
RESET
18
XIN
19
XOUT
20
VSS
21
42
P30/AN0
41
P31/AN1
40
P32/AN2
39
P33/AN3
38
P34/AN4
37
P00
36
P01
35
P02
34
P03
33
P04
32
P05
31
P06
30
P07
29
P10
28
P11
27
P12
26
P13/(LED0)
25
P14/(LED1)
24
P15/(LED2)
23
P16/(LED3)
22
P17/(LED4)
Package type : FP ........................... 42P2R-A (42-pin plastic-molded SSOP)
Package type : SP ........................... 42P4B (42-pin shrink plastic-molded DIP)
Fig. 1 M38503M4-XXXFP/SP pin configuration