HD4074849 datasheet(8/127 Pages) RENESAS

Part #	HD4074849

Description	4-Bit Single-Chip Microcomputer

Download	127 Pages

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Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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8 / 127 page

HD404849 Series

6

Block Diagram

System control circuit

1,184

× 4-bit RAM

W (2)

X (4)

SPX (4)

Y (4)

SPY (4)

A (4)

B (4)

SP (10)

Program

counter (14)

Instruction

decoder

ALU

ST (1)

CA (1)

LCD

display

circuit

A/D

converter

Serial

interface

Timer D

Timer C

Timer B

Timer A

External

interrupt

control

cricuit

D0

D1

D2

D3

D4

D5

D6

D7

D8

D10

D11

R01

R02

R03

R10

R11

R12

R13

R20

R21

R22

R23

R30

R31

R32

R33

R60

R61

R62

R63

R70

: Data bus

: Signal lines

R71

R72

R73

INT0

D11/

R02/

R10/

R11/

R12/

R20/

R21/

R22/

R23/

R30/

R31/

R32/

R33/

R60/

R13/

R01/

R00/

INT2

INT3

TOB

EVNB

TOC

TOD

EVND

SCK

SI

SO

AVCC

AVSS

AN0

AN1

AN2

AN3

AN4

AN5

AN6

AN7

V1

V2

V3

COM1

COM2

COM3

COM4

SEG13

SEG44

INT1

R00 /INT1

/INT2

/

STOPC

/

INT0

/TOB

/TOC

/TOD

/

EVNB

/EVND

/

SCK

/SI

/SO

/AN4

/AN5

/AN6

/AN7

/SEG13

/SEG14

/SEG15

/SEG16

/SEG17

/SEG18

/SEG19

/SEG20

/INT3

to

High-

current

pins

512

× 4-bit,

8,192

× 10-bit, 12,288 × 10-bit,

16,384

× 10-bit ROM

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