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Mitsubishi

M38859FFHP Datasheet Preview

M38859FFHP Datasheet

8-BIT CMOS MICROCOMPUTER

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MITSUBISHI MICROCOMPUTERS
3885 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
GENERAL DESCRIPTION
The 3885 group is the 8-bit microcomputer based on the 740 fam-
ily core technology.
The 3885 group is designed for Keyboard Controller for the note
book PC.
The multi-master I2C-bus interface can be added by option.
FEATURES
<Microcomputer mode>
qBasic machine-language instructions ...................................... 71
qMinimum instruction execution time .................................. 0.5 µs
(at 8 MHz oscillation frequency)
qMemory size
ROM ................................................................. 32K to 60K bytes
RAM ............................................................... 1024 to 2048 bytes
qProgrammable input/output ports ............................................ 72
qSoftware pull-up transistors ....................................................... 8
qInterrupts ................................................. 22 sources, 16 vectors
qTimers ............................................................................. 8-bit 4
qWatchdog timer ............................................................ 16-bit 1
qPWM output .................................................................. 14-bit 2
qSerial I/O ....................... 8-bit 1(UART or Clock-synchronized)
qMulti-master I2C bus interface (option) ........................ 1 channel
qLPC interface .............................................................. 2 channels
qSerialized IRQ .................................................................. 3 factor
qA-D converter ............................................... 10-bit 8 channels
qD-A converter ................................................. 8-bit 2 channels
qComparator circuit ...................................................... 8 channels
qClock generating circuit ..................................... Built-in 2 circuits
(connect to external ceramic resonator or quartz-crystal oscillator)
qPower source voltage ................................................ 3.0 to 3.6 V
qPower dissipation
In high-speed mode .......................................................... 20 mW
(at 8 MHz oscillation frequency, at 3.3 V power source voltage)
In low-speed mode ......................................................... 330 mW
(at 32 kHz oscillation frequency, at 3.3 V power source voltage)
qOperating temperature range .................................... –20 to 85°C
<Flash memory mode>
qSupply voltage ................................................. VCC = 3.3 ± 0.3V
qProgram/Erase voltage ................................. VPP = 5.0 V ± 10 %
qProgramming method ...................... Programming in unit of byte
qErasing method
Parallel I/O mode
CPU reprogramming mode
qProgram/Erase control by software command
qNumber of times for programming/erasing ............................ 100
qOperating temperature range (at programming/erasing)
........................................................................ Room temperature
APPLICATION
Note book PC
PIN CONFIGURATION (TOP VIEW)
P31/PWM10
P30/PWM00
P87/SERIRQ
P86/LCLK
P85/LRESET
P84/LFRAME
P83/LAD3
P82/LAD2
P81/LAD1
P80/LAD0
VCC
VREF
AVSS
P67/AN7
P66/AN6
P65/AN5
P64/AN4
P63/AN3
P62/AN2
P61/AN1
61
40
62
39
63
38
64
37
65
36
66
35
67
68
M38857M8-XXXHP
34
33
69
32
70 M38858MC-XXXHP 31
71
30
72 M38859M8-XXXHP 29
73
28
74
M38859FFHP
27
75
26
76
25
77
24
78
23
79
22
80
21
P16
P17
P20/CMPREF
P21
P22
P23
P24(LED0)
P25(LED1)
P26(LED2)
P27(LED3)
VSS
XOUT
XIN
P40/XCOUT
P41/XCIN
RESET
CNVSS
VPP
P42/INT0
P43/INT1
P44/RXD
Fig. 1 Pin configuration
Package type : 80P6Q-A
: Flash memory version
1




Mitsubishi

M38859FFHP Datasheet Preview

M38859FFHP Datasheet

8-BIT CMOS MICROCOMPUTER

No Preview Available !

MITSUBISHI MICROCOMPUTERS
3885 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Fig. 2 Functional block diagram
2



Part Number M38859FFHP
Description 8-BIT CMOS MICROCOMPUTER
Maker Mitsubishi
Total Page 3 Pages
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