Casio CTK-611 User Manual download pdf (Page 5)

— 3 —

KC0 ~ KC7

FI0 ~ FI9

SI0 ~ SI9

KI0 ~ KI2

PB0 ~ PB3

P10, P13

P14, P17

Working Storage

RAM (256K-bit)

LSI4

TC55257DFL-70L(EL)

MIDI

EA0 ~

EA14

EIO0 ~

EIO7

Sound Source ROM

(16M-bit)

LSI3

UPD23C16000WGX-

C51

LRCK

SO

BCK

D/A Converter

LSI6

UPD6379GR

Filter

Q107 ~ Q110

Main

Volume

Power Amplifier

IC101

TA8248K

Keyboard

MA0 ~ MA19

Power Supply Circuit

Q101 ~ Q105,

D106/107, D190

VCC

AVDD

VDD

DVDDLVDD

VC

APO

Effect RAM

(256K-bit)

LSI5

TC55257DFL-

70L(EL)

MD0

~

MD7

Speakers

Output

MA0

~

MA14

MA0, MA1

LRCK, SO

BCK, SINK

LCD

LCD Driver

LSI401

SED1278F2A

SEG1 ~ SEG40

INOUT

Reset IC

IC1

RN5VD40AA

RESET

COM1 ~ COM16

DSP

LSI2

HG51B277FB-1

MD0 ~ MD15

CPU

LSI1

UPD913GF-3BA

Buttons

Assingnable Jack

PB4

VDD

Power Switch

NMI

FI10

P23

PA0 ~ PA5

PB0 ~ PB3

BLOCK DIAGRAM

1 2 3 4 5 6 7 8 9 10 ... 24 25

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