MAJOR WAVEFORMS

0.1 s

1

2

3

CH1: 5 V CH2: 5 V

20 ∝s

CH1

CH2

4

CH1: 5 V

2 ∝s

A

CH1

B

C

CH1: 5 V CH2: 5 V CH3: 5 V

2 ∝s

D

CH1

E

CH2

CH3 F

CH1: 5 V CH2: 5 V CH3: 5 V

CH1

CH2

CH3

1POWER ON signal UPD912GF-3BA pin 21

2APO signal UPD912GF-3BA pin 3

3Reset signal for the DSP UPD912G-3BA pin 99

50 ∝s

5

6

7

CH1: 5 V CH2: 5 V CH3: 5 V

5Key scan signal KC0 UPD912GF-3BA pin 31

6Key scan signal KC1 UPD912GF-3BA pin 32

7Key scan signal KC2 UPD912GF-3BA pin 33

4Synchronizing pulse UPD912GF-3BA pin 6

5 ms

CH1

8

CH2

9

CH3

0

CH1: 5 V CH2: 5 V CH3: 5 V

8LED drive signal PB0 HG51B227FB pin 80

9LED drive signal PB1 HG51B227B pin 1

0LED drive signal PB2 HG51B227FB pin 2

A Word clock LRCK

D Word clock LRCK

UPD912GF-3BA pin 13

UPD6379GR pin 1

B Data signal SO

E Data signal SI

UPD912GF-3BA pin 12

UPD6379GR pin 2

C Bit clock BCK

F Bit clock CLK

UPD912GF-3BA pin 11

UPD6379GR pin 3

 

Note: On

1 ms

1 ms

CH1 G

CH1

I

CH2

 

 

CH2

H

J

 

CH3

~

~

~

~

CH1: . 1 V

CH2: . 1 V

CH1: . 1 V

CH2: . 1 V

G DAC output (R-ch)

I Amp. input (R-ch)

UPD6379GR pin 5

LA4598 pin 6

H DAC output (L-ch)

J Amp. input (L-ch)

UPD6379GR pin 8

LA4598 pin 10

Tone : Whistle (70)

Key : A4

Touch response : Off

Reverb : Off

Volume : Maximum

CH1

CH2

— 11 —

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Image 11
Casio CTK-630 specifications Major Waveforms, CH1 CH2 CH3 F
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CTK-630 specifications

The Casio CTK-630 is a portable keyboard designed for musicians of all skill levels, combining functionality, versatility, and user-friendly features. This model is recognized for its 61 piano-style keys, providing an authentic touch for players while ensuring portability. The keyboard is lightweight and easy to transport, making it an excellent choice for home practice or performances on the go.

One of the standout features of the CTK-630 is its extensive range of sounds and rhythms. With over 600 built-in tones, including instruments from around the world, players can explore a variety of musical styles, from classical piano to modern synth sounds. Additionally, the keyboard includes 180 accompaniment rhythms, allowing users to create rich musical backgrounds for their melodies, making practice and improvisation more dynamic.

The CTK-630 is also equipped with advanced technologies that enhance the playing experience. One such feature is the Digital Signal Processing (DSP), which adds effects like reverb and chorus to sounds, enriching the audio output. The keyboard's auto-accompaniment feature automatically provides harmonizing and chordal support based on the notes played, facilitating creative composition.

For musicians interested in learning, the CTK-630 offers built-in lessons that are ideal for beginners. These lessons help users develop their skills progressively, making it easier to learn new songs and techniques. Additionally, the keyboard is compatible with the Casio Chordana Play app, which provides interactive learning tools and song libraries for enhanced educational engagement.

The CTK-630 also includes a pitch bend wheel, allowing players to add expressive pitch variations to their performances. This feature is particularly useful for genres that emphasize playability and dynamics, such as jazz and pop. Furthermore, the keyboard's MIDI compatibility enables users to connect it to computers and use it with various music software, expanding its versatility for compositions and recordings.

In conclusion, the Casio CTK-630 is a versatile and feature-rich portable keyboard that caters to both novice and experienced musicians. Its combination of built-in tones and rhythms, user-friendly learning tools, and connectivity options make it an excellent choice for those looking to explore their musical creativity while enjoying the convenience of portability. Whether practicing at home or playing gigs, the CTK-630 stands out as an accessible and powerful instrument for all.
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