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M38223EADXXXHP: DescriptionSINGLE-CHIP 8-BIT CMOS MICROCOMPUTER; File Size809KB，78 Pages; ManufacturerMitsubishi; Websitehttp://www.mitsubishielectric.com/semiconductors/

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M38223EADXXXHP Overview

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

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MITSUBISHI MICROCOMPUTERS

3822 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

DESCRIPTION

The 3822 group is the 8-bit microcomputer based on the 740 fam-

ily core technology.

The 3822 group has the LCD drive control circuit, an 8-channel

A-D converter, and a serial I/O as additional functions.

The various microcomputers in the 3822 group include variations

of internal memory size and packaging. For details, refer to the

section on part numbering.

For details on availability of microcomputers in the 3822 group, re-

fer to the section on group expansion.

FEATURES

qBasic

machine-language instructions ...................................... 71

qThe

minimum instruction execution time ........................... 0.5 µs

(at 8 MHz oscillation frequency)

qMemory

size

ROM ................................................................. 4 K to 48 K bytes

RAM ................................................................. 192 to 1024 bytes

qProgrammable

input/output ports ............................................ 49

qSoftware

pull-up/pull-down resistors (Ports P0-P7 except port P4

0

)

qInterrupts

................................................. 17 sources, 16 vectors

(includes key input interrupt)

qTimers

........................................................... 8-bit

✕

3, 16-bit

✕

2

qSerial

I/O ...................... 8-bit

✕

1 (UART or Clock-synchronized)

qA-D

converter ................................................. 8-bit

✕

8 channels

qLCD

drive control circuit

Bias ................................................................................... 1/2, 1/3

Duty ........................................................................... 1/2, 1/3, 1/4

Common output .......................................................................... 4

Segment output ........................................................................ 32

q2

clock generating circuits

(connect to external ceramic resonator or quartz-crystal oscillator)

qPower

source voltage

In high-speed mode .................................................. 4.0 to 5.5 V

In middle-speed mode ............................................... 2.5 to 5.5 V

(Extended operating temperature version:

2.0 to 5.5 V, Ta= – 20 to 85°C

3.0 to 5.5 V, Ta= – 40 to – 20°C)

(One time PROM version: 2.5 to 5.5 V)

(M version: 2.2 to 5.5 V)

(H version: 2.0 to 5.5 V)

In low-speed mode .................................................... 2.5 to 5.5 V

(Extended operating temperature version:

2.0 to 5.5 V, Ta= – 20 to 85°C

3.0 to 5.5 V, Ta= – 40 to – 20°C)

(One time PROM version: 2.5 to 5.5 V)

(M version: 2.2 to 5.5 V)

(H version: 2.0 to 5.5 V)

qPower

dissipation

In high-speed mode .......................................................... 32 mW

(at 8 MHz oscillation frequency, at 5 V power source voltage)

In low-speed mode ............................................................ 45

µW

(at 32 kHz oscillation frequency, at 3 V power source voltage)

qOperating

temperature range................................... – 20 to 85°C

(Extended operating temperature version: – 40 to 85 °C)

APPLICATIONS

Camera, household appliances, consumer electronics, etc.

PIN CONFIGURATION (TOP VIEW)

SEG

8

SEG

9

SEG

10

SEG

11

P3

4

/SEG

12

P3

5

/SEG

13

P3

6

/SEG

14

P3

7

/SEG

15

P0

0

/SEG

16

P0

1

/SEG

17

P0

2

/SEG

18

P0

3

/SEG

19

P0

4

/SEG

20

P0

5

/SEG

21

P0

6

/SEG

22

P0

7

/SEG

23

P1

0

/SEG

24

P1

1

/SEG

25

P1

2

/SEG

26

P1

3

/SEG

27

P1

4

/SEG

28

P1

5

/SEG

29

P1

6

/SEG

30

P1

7

/SEG

31

64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41

SEG

7

SEG

6

SEG

5

SEG

4

SEG

3

SEG

2

SEG

1

SEG

0

V

CC

V

REF

AV

SS

COM

3

COM

2

COM

1

COM

0

VL

3

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

80

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

40

39

38

37

36

35

34

M38224M6HXXXFP

33

32

31

30

29

28

27

26

25

P2

0

P2

1

P2

2

P2

3

P2

4

P2

5

P2

6

P2

7

V

SS

X

OUT

X

IN

P7

0

/X

COUT

P7

1

/X

CIN

RESET

P4

0

P4

1

/φ

Package type : 80P6N-A (80-pin plastic-molded QFP)

Fig. 1 M38224M6HXXXFP pin configuration

(The pin configuration of 80D0 is same as this.)

VL

2

VL

1

P6

7

/AN

7

P6

6

/AN

6

P6

5

/AN

5

P6

4

/AN

4

P6

3

/AN

3

P6

2

/AN

2

P6

1

/AN

1

P6

0

/AN

0

P5

7

/ADT

P5

6

/T

OUT

P5

5

/CNTR

1

P5

4

/CNTR

0

P5

3

/RTP

1

P5

2

/RTP

0

P5

1

/INT

3

P5

0

/INT

2

P4

7

/S

RDY

P4

6

/S

CLK

P4

5

/T

X

D

P4

4

/R

X

D

P4

3

/INT

1

P4

2

/INT

0

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